From e81f4ab7deeb40308f240be5ea00091fc8786d7a Mon Sep 17 00:00:00 2001
From: AnastasiaSulyagina
Date: Thu, 18 Aug 2016 22:11:42 +0300
Subject: init

---
 .../Homebrew/cask/developer/bin/cask-switch-https  | 190 ++++++++++
 .../Homebrew/cask/developer/bin/develop_brew_cask  | 199 ++++++++++
 .../cask/developer/bin/find_outdated_appcasts      | 121 ++++++
 .../cask/developer/bin/find_sparkle_appcast        |  68 ++++
 .../cask/developer/bin/fix_outdated_appcasts       |  78 ++++
 .../cask/developer/bin/generate_cask_token         | 418 +++++++++++++++++++++
 .../developer/bin/generate_issue_template_urls     |  74 ++++
 .../cask/developer/bin/irregular_cask_whitespace   | 133 +++++++
 .../Homebrew/cask/developer/bin/list_apps_in_pkg   | 166 ++++++++
 .../Homebrew/cask/developer/bin/list_id_in_kext    |  93 +++++
 .../Homebrew/cask/developer/bin/list_ids_in_app    | 162 ++++++++
 .../Homebrew/cask/developer/bin/list_ids_in_pkg    | 115 ++++++
 .../developer/bin/list_installed_launchjob_ids     |  90 +++++
 .../cask/developer/bin/list_loaded_kext_ids        |  45 +++
 .../cask/developer/bin/list_loaded_launchjob_ids   |  84 +++++
 .../cask/developer/bin/list_login_items_for_app    |  64 ++++
 .../cask/developer/bin/list_payload_in_pkg         | 126 +++++++
 .../cask/developer/bin/list_pkg_ids_by_regexp      |  83 ++++
 .../cask/developer/bin/list_recent_pkg_ids         |  46 +++
 .../cask/developer/bin/list_running_app_ids        | 115 ++++++
 .../cask/developer/bin/list_url_attributes_on_file |  84 +++++
 .../cask/developer/bin/merge_outdated_appcasts     |  99 +++++
 .../cask/developer/bin/production_brew_cask        |   1 +
 Library/Homebrew/cask/developer/bin/project_stats  | 234 ++++++++++++
 Library/Homebrew/cask/developer/bin/the_long_tail  | 252 +++++++++++++
 .../cask/developer/bin/update_issue_template_urls  | 106 ++++++
 .../cask/developer/examples/brewcask-doutdated.rb  |  43 +++
 .../cask/developer/examples/brewcask-dumpcask.rb   |  16 +
 .../cask/developer/examples/brewcask-showargs      |  16 +
 29 files changed, 3321 insertions(+)
 create mode 100755 Library/Homebrew/cask/developer/bin/cask-switch-https
 create mode 100755 Library/Homebrew/cask/developer/bin/develop_brew_cask
 create mode 100755 Library/Homebrew/cask/developer/bin/find_outdated_appcasts
 create mode 100755 Library/Homebrew/cask/developer/bin/find_sparkle_appcast
 create mode 100755 Library/Homebrew/cask/developer/bin/fix_outdated_appcasts
 create mode 100755 Library/Homebrew/cask/developer/bin/generate_cask_token
 create mode 100755 Library/Homebrew/cask/developer/bin/generate_issue_template_urls
 create mode 100755 Library/Homebrew/cask/developer/bin/irregular_cask_whitespace
 create mode 100755 Library/Homebrew/cask/developer/bin/list_apps_in_pkg
 create mode 100755 Library/Homebrew/cask/developer/bin/list_id_in_kext
 create mode 100755 Library/Homebrew/cask/developer/bin/list_ids_in_app
 create mode 100755 Library/Homebrew/cask/developer/bin/list_ids_in_pkg
 create mode 100755 Library/Homebrew/cask/developer/bin/list_installed_launchjob_ids
 create mode 100755 Library/Homebrew/cask/developer/bin/list_loaded_kext_ids
 create mode 100755 Library/Homebrew/cask/developer/bin/list_loaded_launchjob_ids
 create mode 100755 Library/Homebrew/cask/developer/bin/list_login_items_for_app
 create mode 100755 Library/Homebrew/cask/developer/bin/list_payload_in_pkg
 create mode 100755 Library/Homebrew/cask/developer/bin/list_pkg_ids_by_regexp
 create mode 100755 Library/Homebrew/cask/developer/bin/list_recent_pkg_ids
 create mode 100755 Library/Homebrew/cask/developer/bin/list_running_app_ids
 create mode 100755 Library/Homebrew/cask/developer/bin/list_url_attributes_on_file
 create mode 100755 Library/Homebrew/cask/developer/bin/merge_outdated_appcasts
 create mode 120000 Library/Homebrew/cask/developer/bin/production_brew_cask
 create mode 100755 Library/Homebrew/cask/developer/bin/project_stats
 create mode 100755 Library/Homebrew/cask/developer/bin/the_long_tail
 create mode 100755 Library/Homebrew/cask/developer/bin/update_issue_template_urls
 create mode 100755 Library/Homebrew/cask/developer/examples/brewcask-doutdated.rb
 create mode 100755 Library/Homebrew/cask/developer/examples/brewcask-dumpcask.rb
 create mode 100755 Library/Homebrew/cask/developer/examples/brewcask-showargs

(limited to 'Library/Homebrew/cask/developer')

diff --git a/Library/Homebrew/cask/developer/bin/cask-switch-https b/Library/Homebrew/cask/developer/bin/cask-switch-https
new file mode 100755
index 000000000..c7845f1eb
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/cask-switch-https
@@ -0,0 +1,190 @@
+#!/bin/bash
+
+set -o pipefail
+
+readonly program="$(basename "$0")"
+skip_curl_verify=0
+verbose=0
+
+syntax_error() {
+  echo "$program: $1" >&2
+  echo "Try \`$program --help\` for more information." >&2
+  exit 1
+}
+
+depends_on() {
+  formula="$1"
+  [[ "$#" -eq 2 ]] && cmd="$2" || cmd=$(basename "${formula}")
+
+  if [[ ! $(which ${cmd}) ]]; then
+    echo -e "$(tput setaf 1)
+      This script depends on '${cmd}'.
+      If you have [Homebrew](http://brew.sh), you can install it with 'brew install ${formula}'.
+    $(tput sgr0)" | sed -E 's/ {6}//' >&2
+    exit 1
+  fi
+}
+
+depends_on 'tsparber/tiny-scripts/curl-check-url'
+
+usage() {
+  echo "
+    This script changes the url, appcast and homepage stanzas to https
+
+    After changing to https a HTTP GET request is performed to verify if the url is reachable.
+    If the https url is not reachable it is reverted to the previous version.
+
+    Known Issues: If multiple url/appcast stanzas are present, all urls are changed but only
+                  those for the current os are verified.
+
+    If no cask name is given the current work directory is scanned with the given options.
+
+    usage: $program [options] [<cask_name>]
+    options:
+      -s, --skip-verify  Skip checking for a HTTP 200 Status Code using curl.
+      --verbose          Show more verbose output.
+      -h, --help         Show this help.
+
+    Based on: https://github.com/vitorgalvao/tiny-scripts/blob/master/cask-repair
+  " | sed -E 's/^ {4}//'
+}
+
+# available flags
+while [[ "$1" ]]; do
+  case "$1" in
+    -h | --help)
+      usage
+      exit 0
+      ;;
+    -s | --skip-verify)
+      skip_curl_verify=1
+      ;;
+    --verbose)
+      verbose=1
+      ;;
+    -*)
+      syntax_error "unrecognized option: $1"
+      ;;
+    *)
+      break
+      ;;
+  esac
+  shift
+done
+
+# define function to check if given URL exists and is reachable using HTTPS
+check_url_for_https() {
+  cask_url="$1"
+  verbose_option=""
+
+  [[ ${verbose} -ne 0 ]] && verbose_option="-v "
+
+  # check if the URL sends a 200 HTTP code, else abort
+  curl-check-url ${verbose_option} "${cask_url}" > /dev/null
+  exit_code=$?
+
+  if [[ exit_code -ne 0 ]]; then
+    echo "curl returned ${exit_code}: FAIL for ${cask_url}"
+    return 1
+  fi
+
+  return 0
+}
+
+# define function to modify part of stanza
+replace_protocol_of_stanza() {
+  cask_file="$1"
+  stanza="$2"
+  old_value="$3"
+  new_value="$4"
+
+  sed "s|${stanza} \(['\"]\)${old_value}://|${stanza} \1${new_value}://|g" "${cask_file}" > tmpfile
+  mv tmpfile "${cask_file}"
+}
+
+# define abort function, that will reset the state
+finish() {
+  # show message
+  if [[ "$1" == 'abort' ]]; then
+    echo -e "$(tput setaf 1)$2$(tput sgr0)\n"
+    [[ ! -z "${cask_file}" ]] && git checkout -- "${cask_file}"
+    exit 1
+  elif [[ "$1" == 'success' ]]; then
+    echo -e "$(tput setaf 2)Updated: ${cask_name} is now using HTTPS$(tput sgr0)\n"
+    exit 0
+  fi
+}
+
+# cleanup if aborted with ⌃C
+trap 'finish abort "You aborted"' SIGINT
+
+# exit if not inside a 'homebrew-*/Casks' directory
+casks_dir=$(pwd | perl -ne 'print m{homebrew-[^/]+/Casks}')
+if [[ -z "${casks_dir}" ]]; then
+  echo -e "\n$(tput setaf 1)You need to be inside a '/homebrew-*/Casks' directory$(tput sgr0)\n"
+  exit 1
+fi
+
+# exit if no argument was given: Run in current directory
+if [[ -z "$1" ]]; then
+  options=""
+  [[ ${skip_curl_verify} -ne 0 ]] && options+=" --skip-verify"
+  [[ ${verbose} -ne 0 ]] && options+=" --verbose"
+
+  for file in *.rb;
+  do
+    "$0" ${options} ${file}
+  done
+
+  exit 0
+fi
+
+# clean the cask's name, and check if it is valid
+cask_name="$1"
+[[ "${cask_name}" == *'.rb' ]] && cask_name=$(echo "${cask_name}" | sed 's|\.rb$||')
+cask_file="./${cask_name}.rb"
+[[ ! -f "${cask_file}" ]] && finish abort 'There is no such cask'
+
+# initial tasks
+git checkout -- "${cask_file}"
+
+# check if a http url exists
+cask_contains_http=$(grep "['\"]http://" "${cask_file}")
+if [[ -z ${cask_contains_http} ]]; then
+  echo -e "Skipped ${cask_name} no http found\n"
+  exit 0
+fi
+
+updated_stanzas=0
+for stanza in url appcast homepage; do
+  # Check if the stanza exists
+  stanza_contained=$(grep "${stanza} ['\"]" "${cask_file}")
+  [[ -z ${stanza_contained} ]] && continue
+
+  stanza_contains_https=$(grep "${stanza} ['\"]http://" "${cask_file}")
+  if [[ -z ${stanza_contains_https} ]]; then
+#    echo "Skipped stanza ${stanza} in ${cask_name} no http url found"
+    continue
+  fi
+
+  replace_protocol_of_stanza ${cask_file} ${stanza} "http" "https"
+
+  if [[ ${skip_curl_verify} -eq 0 ]]; then
+    check_url_for_https $(brew cask _stanza ${stanza} "${cask_name}")
+  else
+    true
+  fi
+
+  if [[ $? -ne 0 ]]; then
+    echo "Restored original value for stanza ${stanza} as curl check failed"
+    replace_protocol_of_stanza ${cask_file} ${stanza} "https" "http"
+  else
+    updated_stanzas=$((updated_stanzas+1))
+  fi
+done
+
+if [[ ${updated_stanzas} -ne 0 ]]; then
+  finish success
+else
+  finish abort "no updated stanzas after verify for ${cask_name}"
+fi
diff --git a/Library/Homebrew/cask/developer/bin/develop_brew_cask b/Library/Homebrew/cask/developer/bin/develop_brew_cask
new file mode 100755
index 000000000..6723fc978
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/develop_brew_cask
@@ -0,0 +1,199 @@
+#!/bin/bash
+#
+# develop_brew_cask
+#
+# Called via symlink as:
+#  production_brew_cask
+#
+
+called_as="$(basename "$0")"
+
+###
+### settings
+###
+
+set -e               # exit on any uncaught error
+set +o histexpand    # don't expand history expressions
+shopt -s nocasematch # case-insensitive regular expressions
+
+###
+### configurable global variables
+###
+
+taps_subdir="Library/Taps"
+cask_tap_subdir="caskroom/homebrew-cask"
+dev_links=("cmd" "lib" "Casks")
+
+###
+### functions
+###
+
+warn () {
+    local message="$*"
+    message="${message//\\t/$'\011'}"
+    message="${message//\\n/$'\012'}"
+    message="${message%${message##*[![:space:]]}}"
+    printf "%s\n" "$message" 1>&2
+}
+
+die () {
+    warn "$@"
+    exit 1
+}
+
+cd_to_project_root () {
+    local script_dir git_root
+    script_dir="$(/usr/bin/dirname "$0")"
+    cd "$script_dir"
+    git_root="$(git rev-parse --show-toplevel)"
+    if [[ -z "$git_root" ]]; then
+        die "ERROR: Could not find git project root"
+    fi
+    cd "$git_root"
+}
+
+cd_to_tap_dir () {
+    local taps_dir="$1"
+    local tap_dir="$2"
+    if [[ ! -d "$tap_dir" ]]; then
+        die "ERROR: Could not find tap dir under $taps_dir/"
+    fi
+    cd "$tap_dir"
+}
+
+not_inside_homebrew () {
+    local tap_dir="$1"
+    local git_root="$2"
+    if [[ "$(/usr/bin/stat -L -f '%i' -- "$tap_dir")" -eq "$(/usr/bin/stat -L -f '%i' -- "$git_root")" ]]; then
+        die "\nERROR: Run this script in your private repo, not inside Homebrew.\n"
+    fi
+}
+
+remove_dev_links () {
+    for link_name in "${dev_links[@]}"; do
+        remove_dev_link "$link_name"
+    done
+    printf "brew-cask is now in production mode\n"
+    printf "It is safe to run 'brew update' if you are in production mode for all Caskroom repos.\n"
+}
+
+create_dev_links () {
+    local git_root="$1"
+    for link_name in "${dev_links[@]}"; do
+        create_dev_link "$git_root" "$link_name"
+    done
+    printf "brew-cask is now in development mode\n"
+    printf "Note: it is not safe to run 'brew update' while in development mode\n"
+}
+
+remove_dev_link () {
+    local link_name="$1"
+    /bin/rm -- "$link_name"
+    /bin/mv -- "production_$link_name" "$link_name"
+}
+
+create_dev_link () {
+    local git_root="$1"
+    local link_name="$2"
+    /bin/mv -- "$link_name" "production_$link_name"
+    /bin/ln -s -- "$git_root/$link_name" .
+}
+
+###
+### main
+###
+
+_develop_brew_cask_develop_action () {
+    die "brew-cask is already set up for development"
+}
+
+_develop_brew_cask_production_action () {
+    create_dev_links "$git_root"
+}
+
+_production_brew_cask_develop_action () {
+    remove_dev_links
+}
+
+_production_brew_cask_production_action () {
+    die "brew-cask is already set up for production"
+}
+
+_main () {
+    local git_root brew_repository taps_dir tap_dir
+
+    # initialization
+    cd_to_project_root
+    git_root="$(/bin/pwd)"
+    brew_repository="$(brew --repository)"
+    taps_dir="$brew_repository/$taps_subdir"
+    tap_dir="$taps_dir/$cask_tap_subdir"
+
+    # sanity check
+    not_inside_homebrew "$tap_dir" "$git_root"
+
+    # action
+    cd_to_tap_dir "$taps_dir" "$tap_dir"
+    if [[ -e "production_lib" ]]; then
+        eval "_${called_as}_develop_action"
+    else
+        eval "_${called_as}_production_action"
+    fi
+
+}
+
+_develop_brew_cask_usage () {
+
+    printf "develop_brew_cask
+
+Symlink private repo directories into Homebrew's Cellar, so
+that the 'brew cask' command will use code and Casks from
+the current development branch in your private repo.
+
+Saves the production Homebrew directories under new names.
+
+You can reverse this operation with 'production_brew_cask'.
+
+Note: it is not safe to run 'brew update' while development
+mode is in effect.
+
+"
+
+}
+
+_production_brew_cask_usage () {
+
+    printf "production_brew_cask
+
+Undo all symlinks created by 'develop_brew_cask' so that the
+'brew cask' command will use only released code and Casks
+within Homebrew.
+
+After running this command it is safe to run 'brew update',
+unless you are using similar scripts to create symlinks into
+other Caskroom development repos.
+
+"
+
+}
+
+# ensure we're called by a valid name
+case "${called_as}" in
+    develop_brew_cask) ;;
+    production_brew_cask) ;;
+    *)
+        die "ERROR: name ${called_as} not recognized"
+        ;;
+esac
+
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ ]]; then
+    eval "_${called_as}_usage"
+    exit
+fi
+
+# dispatch main
+_main "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/find_outdated_appcasts b/Library/Homebrew/cask/developer/bin/find_outdated_appcasts
new file mode 100755
index 000000000..d6ddcf4d5
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/find_outdated_appcasts
@@ -0,0 +1,121 @@
+#!/bin/bash
+
+readonly caskroom_online='https://github.com/caskroom'
+readonly caskroom_repos_dir='/tmp/caskroom_repos'
+readonly caskroom_repos=(homebrew-cask homebrew-versions homebrew-fonts homebrew-eid)
+readonly curl_flags=(--silent --location --header 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36')
+inaccessible_appcasts=()
+
+if [[ ! $(which 'ghi') ]] || ! security find-internet-password -s github.com -l 'ghi token' &> /dev/null; then
+  echo -e "$(tput setaf 1)
+    This script requires 'ghi' installed and configured.
+    If you have [Homebrew](http://brew.sh), you can install it with 'brew install ghi'.
+    To configure it, run 'ghi config --auth <username>'. Your Github password will be required, but is never stored.
+  $(tput sgr0)" | sed -E 's/ {4}//' >&2
+  exit 1
+fi
+
+function message {
+  echo "${1}"
+}
+
+function go_to_repos_dir {
+  [[ ! -d "${caskroom_repos_dir}" ]] && mkdir -p "${caskroom_repos_dir}"
+  cd "${caskroom_repos_dir}" || exit 1
+}
+
+function go_to_repo_and_update {
+  local repo_name repo_dir casks_dir
+
+  repo_name="${1}"
+  repo_dir="${caskroom_repos_dir}/${repo_name}"
+  casks_dir="${repo_dir}/Casks"
+
+  if [[ ! -d "${repo_dir}" ]]; then
+    go_to_repos_dir
+
+    message "Cloning ${repo_name}…"
+    git clone "https://github.com/caskroom/${repo_name}.git" --quiet
+
+    cd "${casks_dir}" || exit 1
+  else
+    cd "${casks_dir}" || exit 1
+
+    message "Updating ${repo_name}…"
+    git pull --rebase origin master --quiet
+  fi
+}
+
+function open_issue {
+  local repo_name cask_name cask_url version appcast_url issue_number
+
+  repo_name="${1}"
+  cask_name="${2}"
+  cask_url="${caskroom_online}/${repo_name}/blob/master/Casks/${cask_name}.rb"
+  version="${3}"
+  appcast_url="${4}"
+
+  message="$(echo "Outdated cask: ${cask_name}
+
+    Outdated cask: [\`${cask_name}\`](${cask_url}).
+
+    Info:
+    + version: \`${version}\`.
+    + appcast url: ${appcast_url}.
+  " | sed -E 's/^ {4}//')"
+
+  issue_number=$(ghi open --label 'outdated appcast' --message "${message}" | head -1 | perl -pe 's/^#(\d+): .*/\1/')
+  message "Opened issue: https://github.com/caskroom/${repo_name}/issues/${issue_number}."
+}
+
+function is_appcast_available {
+  local appcast_url
+
+  appcast_url="${1}"
+
+  http_status="$(curl "${curl_flags[@]}" --head --write-out '%{http_code}' "${appcast_url}" -o '/dev/null')"
+
+  [[ "${http_status}" == 200 ]]
+}
+
+function report_outdated_appcasts {
+  local repo_name cask_name appcast_url current_checkpoint new_checkpoint version
+
+  repo_name="${1}"
+
+  for cask_file in ./*; do
+    appcast_url="$(brew cask _stanza appcast "${cask_file}")"
+    [[ -z "${appcast_url}" ]] && continue # skip early if there is no appcast
+
+    cask_name="$(basename "${cask_file%.*}")"
+
+    message "Verifying appcast checkpoint for ${cask_name}…"
+
+    if is_appcast_available "${appcast_url}"; then
+      current_checkpoint="$(brew cask _stanza --yaml appcast "${cask_file}" | grep '^- :checkpoint' | awk '{print $3}')"
+      new_checkpoint="$(curl "${curl_flags[@]}" --compressed "${appcast_url}" | sed 's|<pubDate>[^<]*</pubDate>||g' | shasum --algorithm 256 | awk '{ print $1 }')"
+    else
+      message "There was an error checking the appcast for ${cask_name}."
+      inaccessible_appcasts+=("${repo_name}/${cask_name}")
+      continue
+    fi
+
+    if [[ "${current_checkpoint}" != "${new_checkpoint}" ]]; then
+      version="$(brew cask _stanza version "${cask_file}")"
+
+      message "${cask_name} is outdated. Opening issue in ${repo_name}…"
+      open_issue "${repo_name}" "${cask_name}" "${version}" "${appcast_url}"
+    fi
+  done
+}
+
+for repo in "${caskroom_repos[@]}"; do
+  go_to_repo_and_update "${repo}"
+  report_outdated_appcasts "${repo}"
+done
+
+if [[ ${#inaccessible_appcasts[@]} -gt 0 ]];then
+  echo # empty line
+  message 'Some casks have appcasts that errored out, and may need to be rechecked:'
+  printf '%s\n' "${inaccessible_appcasts[@]}"
+fi
diff --git a/Library/Homebrew/cask/developer/bin/find_sparkle_appcast b/Library/Homebrew/cask/developer/bin/find_sparkle_appcast
new file mode 100755
index 000000000..b3b854f39
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/find_sparkle_appcast
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+readonly user_agent=(--user-agent 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36')
+
+usage() {
+  local program exit_status
+
+  program="$(basename "$0")"
+  exit_status="$1"
+
+  echo "usage: ${program} <path_to_app>"
+  exit "${exit_status}"
+}
+
+absolute_path() {
+  echo "$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
+}
+
+appcast_found_error() {
+  local error_reason="$1"
+
+  echo "An appcast was found pointing to ${appcast_url}, but it ${error_reason}. You should:
+
+  1. Check your internet connection.
+  2. Try again later.
+  3. Contact the developer."
+
+  exit 1
+}
+
+# exit if no argument (or more than one) was given
+if [[ -z "$1" ]] || [[ -n "$2" ]]; then
+  usage 1
+fi
+
+# get plist
+path_to_app="$(absolute_path "$1")"
+path_to_plist="${path_to_app}/Contents/Info.plist"
+
+if [[ ! -f "${path_to_plist}" ]]; then
+  echo 'You need to use this on a .app bundle. Please verify your target.'
+  usage 1
+fi
+
+# get appcast
+appcast_url="$(defaults read "${path_to_plist}" 'SUFeedURL' 2>/dev/null)"
+
+if [[ -z "${appcast_url}" ]]; then
+  echo 'It appears this app does not have a Sparkle appcast'
+  exit 0
+fi
+
+# validate appcast
+appcast_http_response="$(curl --silent --head "${user_agent[@]}" --write-out '%{http_code}' "${appcast_url}" -o /dev/null)"
+[[ "${appcast_http_response}" != '200' ]] && appcast_found_error "returned a non-200 (OK) HTTP response code (${appcast_http_response})"
+
+appcast_checkpoint=$(curl --silent --compressed --location "${user_agent[@]}" "${appcast_url}" | sed 's|<pubDate>[^<]*</pubDate>||g' | shasum --algorithm 256 | awk '{ print $1 }')
+[[ "${appcast_checkpoint}" == 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855' ]] && appcast_found_error 'seems to be empty'
+
+# output appcast
+echo "A Sparkle appcast was found. You should add it to your cask as
+
+  appcast '${appcast_url}',
+          checkpoint: '${appcast_checkpoint}'
+
+You should likely also add 'auto_updates true'"
+
+exit 0
diff --git a/Library/Homebrew/cask/developer/bin/fix_outdated_appcasts b/Library/Homebrew/cask/developer/bin/fix_outdated_appcasts
new file mode 100755
index 000000000..9915b5339
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/fix_outdated_appcasts
@@ -0,0 +1,78 @@
+#!/bin/bash
+
+IFS=$'\n'
+
+readonly caskroom_repos_dir='/tmp/caskroom_repos'
+readonly caskroom_repos=(homebrew-cask homebrew-versions homebrew-fonts homebrew-eid)
+
+if [[ ! $(which 'ghi') ]] || ! security find-internet-password -s github.com -l 'ghi token' &> /dev/null; then
+  echo -e "$(tput setaf 1)
+    This script requires 'ghi' installed and configured.
+    If you have [Homebrew](http://brew.sh), you can install it with 'brew install ghi'.
+    To configure it, run 'ghi config --auth <username>'. Your Github password will be required, but is never stored.
+  $(tput sgr0)" | sed -E 's/ {4}//' >&2
+  exit 1
+fi
+
+if [[ ! $(which 'cask-repair') ]]; then
+  echo -e "$(tput setaf 1)
+    This script requires 'cask-repair'.
+    If you have [Homebrew](http://brew.sh), you can install it with 'brew install vitorgalvao/tiny-scripts/cask-repair'.
+  $(tput sgr0)" | sed -E 's/ {4}//' >&2
+  exit 1
+fi
+
+function message {
+  echo "${1}"
+}
+
+function go_to_repos_dir {
+  [[ ! -d "${caskroom_repos_dir}" ]] && mkdir -p "${caskroom_repos_dir}"
+  cd "${caskroom_repos_dir}" || exit 1
+}
+
+function go_to_repo_and_update {
+  local repo_name repo_dir casks_dir
+
+  repo_name="${1}"
+  repo_dir="${caskroom_repos_dir}/${repo_name}"
+  casks_dir="${repo_dir}/Casks"
+
+  if [[ ! -d "${repo_dir}" ]]; then
+    go_to_repos_dir
+
+    message "Cloning ${repo_name}…"
+    git clone "https://github.com/caskroom/${repo_name}.git" --quiet
+
+    cd "${casks_dir}" || exit 1
+  else
+    cd "${casks_dir}" || exit 1
+
+    message "Updating ${repo_name}…"
+    git pull --rebase origin master --quiet
+  fi
+}
+
+function fix_outdated_appcasts {
+  local issue_number cask_name pr_number
+
+  for line in $(ghi list --state open --no-pulls --label 'outdated appcast' --reverse | tail +2); do
+    [[ "${line}" == 'None.' ]] && break # exit early if there are no relevant issues in repo
+
+    issue_number="$(awk '{print $1}' <<< "${line}")"
+    cask_name="$(awk '{print $4}' <<< "${line}")"
+
+    cask-repair --pull origin --push origin --open-appcast --closes-issue "${issue_number}" --blind-submit "${cask_name}"
+
+    if [[ "$?" -eq 0 ]]; then
+      pr_number="$(ghi list --pulls --creator | sed -n 2p | awk '{print $1}')"
+      ghi edit --label 'outdated appcast' "${pr_number}" &>/dev/null
+      ghi comment --close --message "Closing in favour of #${pr_number}." "${issue_number}" &>/dev/null
+    fi
+  done
+}
+
+for repo in "${caskroom_repos[@]}"; do
+  go_to_repo_and_update "${repo}"
+  fix_outdated_appcasts
+done
diff --git a/Library/Homebrew/cask/developer/bin/generate_cask_token b/Library/Homebrew/cask/developer/bin/generate_cask_token
new file mode 100755
index 000000000..48e933136
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/generate_cask_token
@@ -0,0 +1,418 @@
+#!/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby
+#
+# generate_cask_token
+#
+# todo:
+#
+# remove Ruby 2.0 dependency and change shebang line
+#
+# detect Cask files which differ only by the placement of hyphens.
+#
+# merge entirely into "brew cask create" command
+#
+
+###
+### dependencies
+###
+
+require "pathname"
+require "open3"
+
+begin
+  # not available by default
+  require "active_support/inflector"
+rescue LoadError
+end
+
+###
+### configurable constants
+###
+
+EXPANDED_SYMBOLS = {
+                     "+" => "plus",
+                     "@" => "at",
+                   }.freeze
+
+CASK_FILE_EXTENSION = ".rb".freeze
+
+# Hardcode App names that cannot be transformed automatically.
+# Example: in "x48.app", "x48" is not a version number.
+# The value in the hash should be a valid Cask token.
+APP_EXCEPTION_PATS = {
+                       # looks like a trailing version, but is not.
+                       %r{\Aiterm\Z}i               => "iterm2",
+                       %r{\Aiterm2\Z}i              => "iterm2",
+                       %r{\Apgadmin3\Z}i            => "pgadmin3",
+                       %r{\Ax48\Z}i                 => "x48",
+                       %r{\Avitamin-r[\s\d\.]*\Z}i  => "vitamin-r",
+                       %r{\Aimagealpha\Z}i          => "imagealpha",
+                       # upstream is in the midst of changing branding
+                       %r{\Abitcoin-?qt\Z}i         => "bitcoin-core",
+                       # "mac" cannot be separated from the name because it is in an English phrase
+                       %r{\Aplayonmac\Z}i           => "playonmac",
+                       %r{\Acleanmymac[\s\d\.]*\Z}i => "cleanmymac",
+                       # arguably we should not have kept these two exceptions
+                       %r{\Akismac\Z}i              => "kismac",
+                       %r{\Avoicemac\Z}i            => "voicemac",
+                     }.freeze
+
+# Preserve trailing patterns on App names that could be mistaken
+# for version numbers, etc
+PRESERVE_TRAILING_PATS = [
+                           %r{id3}i,
+                           %r{mp3}i,
+                           %r{3[\s-]*d}i,
+                           %r{diff3}i,
+                           %r{\A[^\d]+\+\Z}i,
+                         ].freeze
+
+# The code that employs these patterns against App names
+# - hacks a \b (word-break) between CamelCase and snake_case transitions
+# - anchors the pattern to end-of-string
+# - applies the patterns repeatedly until there is no match
+REMOVE_TRAILING_PATS = [
+                         # spaces
+                         %r{\s+}i,
+
+                         # generic terms
+                         %r{\bapp}i,
+                         %r{\b(?:quick[\s-]*)?launcher}i,
+
+                         # "mac", "for mac", "for OS X", "macOS", "for macOS".
+                         %r{\b(?:for)?[\s-]*mac(?:intosh|OS)?}i,
+                         %r{\b(?:for)?[\s-]*os[\s-]*x}i,
+
+                         # hardware designations such as "for x86", "32-bit", "ppc"
+                         %r{(?:\bfor\s*)?x.?86}i,
+                         %r{(?:\bfor\s*)?\bppc}i,
+                         %r{(?:\bfor\s*)?\d+.?bits?}i,
+
+                         # frameworks
+                         %r{\b(?:for)?[\s-]*(?:oracle|apple|sun)*[\s-]*(?:jvm|java|jre)}i,
+                         %r{\bgtk}i,
+                         %r{\bqt}i,
+                         %r{\bwx}i,
+                         %r{\bcocoa}i,
+
+                         # localizations
+                         %r{en\s*-\s*us}i,
+
+                         # version numbers
+                         %r{[^a-z0-9]+}i,
+                         %r{\b(?:version|alpha|beta|gamma|release|release.?candidate)(?:[\s\.\d-]*\d[\s\.\d-]*)?}i,
+                         %r{\b(?:v|ver|vsn|r|rc)[\s\.\d-]*\d[\s\.\d-]*}i,
+                         %r{\d+(?:[a-z\.]\d+)*}i,
+                         %r{\b\d+\s*[a-z]}i,
+                         %r{\d+\s*[a-c]}i, # constrained to a-c b/c of false positives
+                       ].freeze
+
+# Patterns which are permitted (undisturbed) following an interior version number
+AFTER_INTERIOR_VERSION_PATS = [
+                                %r{ce}i,
+                                %r{pro}i,
+                                %r{professional}i,
+                                %r{client}i,
+                                %r{server}i,
+                                %r{host}i,
+                                %r{viewer}i,
+                                %r{launcher}i,
+                                %r{installer}i,
+                              ].freeze
+
+###
+### classes
+###
+
+class AppName < String
+  def self.remove_trailing_pat
+    @@remove_trailing_pat ||= %r{(?<=.)(?:#{REMOVE_TRAILING_PATS.join('|')})\Z}i
+  end
+
+  def self.preserve_trailing_pat
+    @@preserve_trailing_pat ||= %r{(?:#{PRESERVE_TRAILING_PATS.join('|')})\Z}i
+  end
+
+  def self.after_interior_version_pat
+    @@after_interior_version_pat ||= %r{(?:#{AFTER_INTERIOR_VERSION_PATS.join('|')})}i
+  end
+
+  def english_from_app_bundle
+    return self if ascii_only?
+    return self unless File.exist?(self)
+
+    # check Info.plist CFBundleDisplayName
+    bundle_name = Open3.popen3(*%w[
+                                  /usr/libexec/PlistBuddy -c
+                                ],
+                               "Print CFBundleDisplayName",
+                               Pathname.new(self).join("Contents", "Info.plist").to_s) do |_stdin, stdout, _stderr|
+      begin
+        stdout.gets.force_encoding("UTF-8").chomp
+      rescue
+      end
+    end
+    return AppName.new(bundle_name) if bundle_name && bundle_name.ascii_only?
+
+    # check Info.plist CFBundleName
+    bundle_name = Open3.popen3(*%w[
+                                  /usr/libexec/PlistBuddy -c
+                                ],
+                               "Print CFBundleName",
+                               Pathname.new(self).join("Contents", "Info.plist").to_s) do |_stdin, stdout, _stderr|
+      begin
+        stdout.gets.force_encoding("UTF-8").chomp
+      rescue
+      end
+    end
+    return AppName.new(bundle_name) if bundle_name && bundle_name.ascii_only?
+
+    # check localization strings
+    local_strings_file = Pathname.new(self).join("Contents", "Resources", "en.lproj", "InfoPlist.strings")
+    local_strings_file = Pathname.new(self).join("Contents", "Resources", "English.lproj", "InfoPlist.strings") unless local_strings_file.exist?
+    if local_strings_file.exist?
+      bundle_name = File.open(local_strings_file, "r:UTF-16LE:UTF-8") do |fh|
+        %r{\ACFBundle(?:Display)?Name\s*=\s*"(.*)";\Z}.match(fh.readlines.grep(%r{^CFBundle(?:Display)?Name\s*=\s*}).first) do |match|
+          match.captures.first
+        end
+      end
+      return AppName.new(bundle_name) if bundle_name && bundle_name.ascii_only?
+    end
+
+    # check Info.plist CFBundleExecutable
+    bundle_name = Open3.popen3(*%w[
+                                  /usr/libexec/PlistBuddy -c
+                                ],
+                               "Print CFBundleExecutable",
+                               Pathname.new(self).join("Contents", "Info.plist").to_s) do |_stdin, stdout, _stderr|
+      begin
+        stdout.gets.force_encoding("UTF-8").chomp
+      rescue
+      end
+    end
+    return AppName.new(bundle_name) if bundle_name && bundle_name.ascii_only?
+
+    self
+  end
+
+  def basename
+    if Pathname.new(self).exist?
+      AppName.new(Pathname.new(self).basename.to_s)
+    else
+      self
+    end
+  end
+
+  def remove_extension
+    sub(%r{\.app\Z}i, "")
+  end
+
+  def decompose_to_ascii
+    # crudely (and incorrectly) decompose extended latin characters to ASCII
+    return self if ascii_only?
+    return self unless respond_to?(:mb_chars)
+    AppName.new(mb_chars.normalize(:kd).each_char.select(&:ascii_only?).join)
+  end
+
+  def hardcoded_exception
+    APP_EXCEPTION_PATS.each do |regexp, exception|
+      return AppName.new(exception) if regexp.match(self)
+    end
+    nil
+  end
+
+  def insert_vertical_tabs_for_camel_case
+    app_name = AppName.new(self)
+    if app_name.sub!(%r{(#{self.class.preserve_trailing_pat})\Z}i, "")
+      trailing = Regexp.last_match(1)
+    end
+    app_name.gsub!(%r{([^A-Z])([A-Z])}, "\\1\v\\2")
+    app_name.sub!(%r{\Z}, trailing) if trailing
+    app_name
+  end
+
+  def insert_vertical_tabs_for_snake_case
+    gsub(%r{_}, "\v")
+  end
+
+  def clean_up_vertical_tabs
+    gsub(%r{\v}, "")
+  end
+
+  def remove_interior_versions!
+    # done separately from REMOVE_TRAILING_PATS because this
+    # requires a substitution with a backreference
+    sub!(%r{(?<=.)[\.\d]+(#{self.class.after_interior_version_pat})\Z}i, '\1')
+    sub!(%r{(?<=.)[\s\.\d-]*\d[\s\.\d-]*(#{self.class.after_interior_version_pat})\Z}i, '-\1')
+  end
+
+  def remove_trailing_strings_and_versions
+    app_name = insert_vertical_tabs_for_camel_case
+               .insert_vertical_tabs_for_snake_case
+    while self.class.remove_trailing_pat.match(app_name) &&
+          !self.class.preserve_trailing_pat.match(app_name)
+      app_name.sub!(self.class.remove_trailing_pat, "")
+    end
+    app_name.remove_interior_versions!
+    app_name.clean_up_vertical_tabs
+  end
+
+  def simplified
+    return @simplified if @simplified
+    @simplified = english_from_app_bundle
+                  .basename
+                  .decompose_to_ascii
+                  .remove_extension
+    @simplified = @simplified.hardcoded_exception || @simplified.remove_trailing_strings_and_versions
+    @simplified
+  end
+end
+
+class CaskFileName < String
+  def spaces_to_hyphens
+    gsub(%r{ +}, "-")
+  end
+
+  def delete_invalid_chars
+    gsub(%r{[^a-z0-9-]+}, "")
+  end
+
+  def collapse_multiple_hyphens
+    gsub(%r{--+}, "-")
+  end
+
+  def delete_leading_hyphens
+    gsub(%r{^--+}, "")
+  end
+
+  def delete_hyphens_before_numbers
+    gsub(%r{-([0-9])}, '\1')
+  end
+
+  def spell_out_symbols
+    cask_file_name = self
+    EXPANDED_SYMBOLS.each do |k, v|
+      cask_file_name.gsub!(k, " #{v} ")
+    end
+    cask_file_name.sub(%r{ +\Z}, "")
+  end
+
+  def add_extension
+    sub(%r{(?:#{escaped_cask_file_extension})?\Z}i, CASK_FILE_EXTENSION)
+  end
+
+  def remove_extension
+    sub(%r{#{escaped_cask_file_extension}\Z}i, "")
+  end
+
+  def from_simplified_app_name
+    return @from_simplified_app_name if @from_simplified_app_name
+    @from_simplified_app_name = if APP_EXCEPTION_PATS.rassoc(remove_extension)
+                                  remove_extension
+                                else
+                                  remove_extension
+                                    .downcase
+                                    .spell_out_symbols
+                                    .spaces_to_hyphens
+                                    .delete_invalid_chars
+                                    .collapse_multiple_hyphens
+                                    .delete_leading_hyphens
+                                    .delete_hyphens_before_numbers
+    end
+    raise "Could not determine Simplified App name" if @from_simplified_app_name.empty?
+    @from_simplified_app_name.add_extension
+  end
+end
+
+###
+### methods
+###
+
+def project_root
+  Dir.chdir File.dirname(File.expand_path(__FILE__))
+  @git_root ||= Open3.popen3(*%w[
+                                git rev-parse --show-toplevel
+                              ]) do |_stdin, stdout, _stderr|
+    begin
+      Pathname.new(stdout.gets.chomp)
+    rescue
+      raise "could not find project root"
+    end
+  end
+  raise "could not find project root" unless @git_root.exist?
+  @git_root
+end
+
+def escaped_cask_file_extension
+  @escaped_cask_file_extension ||= Regexp.escape(CASK_FILE_EXTENSION)
+end
+
+def simplified_app_name
+  @simplified_app_name ||= AppName.new(ARGV.first.dup.force_encoding("UTF-8")).simplified
+end
+
+def cask_file_name
+  @cask_file_name ||= CaskFileName.new(simplified_app_name).from_simplified_app_name
+end
+
+def cask_token
+  @cask_token ||= cask_file_name.remove_extension
+end
+
+def warnings
+  return @warnings if @warnings
+  @warnings = []
+  unless APP_EXCEPTION_PATS.rassoc(cask_token)
+    if %r{\d} =~ cask_token
+      @warnings.push "WARNING: '#{cask_token}' contains digits. Digits which are version numbers should be removed."
+    end
+  end
+  filename = project_root.join("Casks", cask_file_name)
+  if filename.exist?
+    @warnings.push "WARNING: the file '#{filename}' already exists. Prepend the vendor name if this is not a duplicate."
+  end
+  @warnings
+end
+
+def report
+  puts "Proposed Simplified App name: #{simplified_app_name}" if $debug
+  puts "Proposed token:               #{cask_token}"
+  puts "Proposed file name:           #{cask_file_name}"
+  puts "Cask Header Line:             cask '#{cask_token}' do"
+  unless warnings.empty?
+    $stderr.puts "\n"
+    $stderr.puts warnings
+    $stderr.puts "\n"
+    exit 1
+  end
+end
+
+###
+### main
+###
+
+usage = <<-EOS
+Usage: generate_cask_token [ -debug ] <application.app>
+
+Given an Application name or a path to an Application, propose a
+Cask token, filename, and header line.
+
+With -debug, also provide the internal "Simplified App Name".
+
+EOS
+
+if ARGV.first =~ %r{^-+h(elp)?$}i
+  puts usage
+  exit 0
+end
+
+if ARGV.first =~ %r{^-+debug?$}i
+  $debug = 1
+  ARGV.shift
+end
+
+unless ARGV.length == 1
+  puts usage
+  exit 1
+end
+
+report
diff --git a/Library/Homebrew/cask/developer/bin/generate_issue_template_urls b/Library/Homebrew/cask/developer/bin/generate_issue_template_urls
new file mode 100755
index 000000000..916d84987
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/generate_issue_template_urls
@@ -0,0 +1,74 @@
+#!/usr/bin/env ruby
+#
+# generate_issue_template_urls
+#
+
+###
+### dependencies
+###
+
+require "erb"
+
+###
+### constants
+###
+
+BASE_URL = "https://github.com/caskroom/homebrew-cask/issues/new".freeze
+
+###
+### methods
+###
+
+def main(args)
+  args.each do |file|
+    File.read(file).scan(%r{(.*?)\n(.*)}m) do |title, body|
+      puts generate_url(title, body)
+    end
+  end
+end
+
+def generate_url(title, body)
+  encoded_title = url_encode(title)
+  encoded_body = url_encode(body)
+  if $debug
+    puts "Encoded title: #{encoded_title}"
+    puts "Encoded body: #{encoded_body}"
+  end
+  "#{BASE_URL}?title=#{encoded_title}&body=#{encoded_body}"
+end
+
+def url_encode(unencoded_str)
+  ERB::Util.url_encode(unencoded_str)
+end
+
+###
+### main
+###
+
+usage = <<-EOS
+Usage: generate_issue_template_urls <issue_template.md> ...
+
+Given one or more GitHub issue template files, generate encoded URLs for each
+and print, separated by newlines. The first line of a template file should be
+the issue title.
+
+With -debug, print out the encoded title and body individually as well.
+
+EOS
+
+if ARGV.first =~ %r{^-+h(elp)?$}i
+  puts usage
+  exit 0
+end
+
+if ARGV.first =~ %r{^-+debug?$}i
+  $debug = 1
+  ARGV.shift
+end
+
+if ARGV.empty?
+  puts usage
+  exit 1
+end
+
+main(ARGV)
diff --git a/Library/Homebrew/cask/developer/bin/irregular_cask_whitespace b/Library/Homebrew/cask/developer/bin/irregular_cask_whitespace
new file mode 100755
index 000000000..62a60ae73
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/irregular_cask_whitespace
@@ -0,0 +1,133 @@
+#!/bin/bash
+#
+# irregular_cask_whitespace
+#
+# find irregular whitespace in Cask files
+#
+# notes
+#
+#     requires a recent-ish Perl with Unicode support, probably 5.14
+#     or better.
+#
+# bugs
+#
+# todo
+#
+
+###
+### settings
+###
+
+set -e
+set -o pipefail
+set +o histexpand
+set -o nounset
+shopt -s nocasematch
+shopt -s nullglob
+
+###
+### functions
+###
+
+warn () {
+    local message="$@"
+    message="${message//\\t/$'\011'}"
+    message="${message//\\n/$'\012'}"
+    message="${message%"${message##*[![:space:]]}"}"
+    printf "%s\n" "$message" 1>&2
+}
+
+die () {
+    warn "$@"
+    exit 1
+}
+
+###
+### main
+###
+
+_irregular_cask_whitespace () {
+    local directory="$1"
+    cd "$directory" || die "Could not cd to '$directory'"
+
+    printf "# No trailing newline at EOF\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{[^\n]\z}s'      -- ./*.rb
+
+    printf "\n# Extra trailing newline at EOF\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\n{2}\z}s'      -- ./*.rb
+
+    printf "\n# Final 'end' indented\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{ end\s+\z}s'    -- ./*.rb
+
+    printf "\n# Extra newline before final end\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\n\nend\s+\z}s' -- ./*.rb
+
+    printf "\n# Extra newline before header\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\n\ncask\s+:v\d\S*\s+=>}s' -- ./*.rb
+
+    printf "\n# Extra newline after header\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{(?:\A|\n)cask\s+:v\d\S*\s+=>[^\n]+\n\n\s*(\S+)}s and $1 ne "if"' -- ./*.rb
+
+    printf "\n# No empty line before uninstall\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\n[^\n]+\n +uninstall }s'  -- ./*.rb
+
+    # todo?
+    # printf "\n# No empty line before caveats\n"
+    # perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\n[^\n]+\n +caveats }s'    -- ./*.rb
+
+    printf "\n# Extra interior newlines\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\n{3,}}s'    -- ./*.rb
+
+    printf "\n# Leading whitespace at BOF\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\A\s}s'      -- ./*.rb
+
+    printf "\n# Trailing whitespace at EOL (includes Tab/CR)\n"
+    perl -C32       -ne 'print "    $ARGV\n" if m{\s\n}s'      -- ./*.rb | sort | uniq
+
+    printf "\n# Tabs\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\t}s'        -- ./*.rb
+
+    printf "\n# Carriage Returns\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\r}s'        -- ./*.rb
+
+    printf "\n# Misc Control Characters\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{[\x00-\x08\x0B-\x0C\x0E\x1F]}s'                -- ./*.rb
+
+    printf "\n# First indent not 2\n"
+    perl -C32 -0777 -ne 's{\A(.*?\n)?cask\s+[^\n]+\n+}{}s; print "    $ARGV\n" unless m{\A  \S}s'  -- ./*.rb
+
+    printf "\n# Indents not multiple of 2\n"
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{\n(?:  ){0,} [a-z]}s'                          -- ./*.rb
+
+    printf "\n# Unicode Space Characters\n"
+    # \x{0085}\x{0088}\x{0089}
+    perl -C32 -0777 -ne 'print "    $ARGV\n" if m{[\x{008a}\x{00a0}\x{1680}\x{180e}\x{2000}\x{2001}\x{2002}\x{2003}\x{2004}\x{2005}\x{2006}\x{2007}\x{2008}\x{2009}\x{200a}\x{200b}\x{2028}\x{2029}\x{202f}\x{205f}\x{2060}\x{3000}\x{feff}\x{e0020}]}s' -- ./*.rb
+
+}
+
+###
+### argument processing
+###
+
+if [[ "${1:-}" =~ ^-+h(elp)?$ ]]; then
+   printf "irregular_cask_whitespace <dir>
+
+   Find irregular whitespace in Cask files within <dir>
+
+"
+    exit
+fi
+
+if [ "$#" -ne 1 ]; then
+    die "Single directory argument required"
+elif ! [ -d "$1" ]; then
+    die "No directory found at '$1'"
+fi
+
+###
+### dispatch
+###
+
+_irregular_cask_whitespace "${@:-}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_apps_in_pkg b/Library/Homebrew/cask/developer/bin/list_apps_in_pkg
new file mode 100755
index 000000000..9e0411322
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_apps_in_pkg
@@ -0,0 +1,166 @@
+#!/bin/bash
+#
+# list_apps_in_pkg
+#
+
+###
+### settings
+###
+
+set -e                # exit on any uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### global variables
+###
+
+opt_lax=''
+opt_pkg=''
+pkgdir=''
+
+# prefer GNU xargs
+xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
+
+###
+### functions
+###
+
+warn () {
+    local message="$@"
+    message="${message//\\t/$'\011'}"
+    message="${message//\\n/$'\012'}"
+    message="${message%"${message##*[![:space:]]}"}"
+    printf "%s\n" "$message" 1>&2
+}
+
+die () {
+    warn "$@"
+    exit 1
+}
+
+app_source_1 () {
+    /usr/bin/find "$pkgdir" -name PackageInfo -print0 |   \
+    "$xargs" -0 /usr/bin/perl -0777 -ne                   \
+      'while (m{<pkg-info[^\n]*install-location="/Applications".*?path\s*=\s*"([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
+}
+
+app_source_2 () {
+    /usr/bin/find "$pkgdir" -name PackageInfo -print0  |  \
+    "$xargs" -0 /usr/bin/perl -0777 -ne                   \
+      'while (m{<pkg-info[^\n]*install-location="/".*?path\s*=\s*"./Applications/([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
+}
+
+app_source_3 () {
+    /usr/bin/find "$pkgdir" -type d -name '*.app' |       \
+    perl -pe 's{\A.*/}{}';
+}
+
+app_source_4 () {
+    /usr/bin/find "$pkgdir" -name PackageInfo -print0  |  \
+    "$xargs" -0 /usr/bin/perl -0777 -ne                   \
+      'while (m{path\s*=\s*"([^"]+\.app)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
+}
+
+app_source_5 () {
+    /usr/bin/find "$pkgdir" -name Archive.pax.gz -print0  |           \
+    "$xargs" -0 -n1 -I{} /bin/bash -c                                 \
+      "/usr/bin/gunzip -c '{}' | /bin/pax | /usr/bin/egrep '\.app'" | \
+    /usr/bin/perl -pe 's{\A.*/([^/]+\.app).*\Z}{$1}';
+}
+
+merge_sources () {
+    /usr/bin/sort | /usr/bin/uniq
+}
+
+mark_up_sources () {
+    /usr/bin/perl -pe 's{\n}{\000}sg' |                     \
+    "$xargs" -0 -I{} -n1 /bin/bash -c                       \
+      'printf "{}"; /bin/test -n "$(/usr/bin/find /Applications -type d -maxdepth 3 -name "{}" -print0; /usr/bin/find ~/Applications -type d -maxdepth 3 -name "{}")" && printf " (+)"; printf "\n"'
+}
+
+process_args () {
+    local arg
+    if [[ "$#" -eq 0 ]]; then
+        die "ERROR: A file argument is required"
+    else
+        opt_pkg="${!#}"   # last arg
+    fi
+    for arg in "$@"; do
+        if [[ $arg =~ ^-+h(elp)?$ ]]; then
+            printf "list_apps_in_pkg [ -lax ] <file.pkg>
+
+Given a package file, extract a list of candidate App names from
+inside the pkg, which may be useful for naming a Cask.
+
+The given package file need not be installed.
+
+If an App of the listed name is already installed in /Applications
+or ~/Applications, it will be followed by a plus symbol '(+)' in
+the output.  This can be verified via 'ls' or the Finder.
+
+Arguments
+
+   -lax   Be less selective in looking for App names.  Generate
+          more, but less accurate, guesses.
+
+Bugs: This script is imperfect.
+ - It does not fully parse PackageInfo files
+ - An App can be hidden within a nested archive and not found
+ - Some pkg files simply don't contain any Apps
+
+See CONTRIBUTING.md and 'man pkgutil' for more information.
+
+"
+            exit
+        elif [[ $arg =~ ^-+lax$ ]]; then
+            opt_lax='true'
+        elif [[ "$arg" = "$opt_pkg" ]]; then
+            true
+        else
+            die "ERROR: Unknown argument '$arg'"
+        fi
+    done
+    if [[ -h "$opt_pkg" ]]; then
+        opt_pkg="$(/usr/bin/readlink "$opt_pkg")"
+    fi
+    if ! [[ -e "$opt_pkg" ]]; then
+        die "ERROR: No such pkg file: '$opt_pkg'"
+    fi
+}
+
+###
+### main
+###
+
+_list_apps_in_pkg () {
+
+    if [[ -d "$opt_pkg" ]]; then
+        pkgdir="$opt_pkg"
+    else
+        local tmpdir="$(/usr/bin/mktemp -d -t list_ids_in_pkg)"
+        trap "/bin/rm -rf -- '$tmpdir'" EXIT
+        pkgdir="$tmpdir/unpack"
+        /usr/sbin/pkgutil --expand "$opt_pkg" "$tmpdir/unpack" "$pkgdir"
+    fi
+
+    {
+      # strings that look like App names (Something.app)
+      app_source_1;
+      app_source_2;
+      app_source_3;
+      if [[ -n "$opt_lax" ]]; then
+          app_source_4;
+          app_source_5;
+      fi
+    } |                \
+    merge_sources |    \
+    mark_up_sources
+}
+
+process_args "${@}"
+
+# dispatch main
+_list_apps_in_pkg
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_id_in_kext b/Library/Homebrew/cask/developer/bin/list_id_in_kext
new file mode 100755
index 000000000..b1ee95a77
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_id_in_kext
@@ -0,0 +1,93 @@
+#!/bin/bash
+#
+# list_id_in_kext
+#
+
+###
+### settings
+###
+
+set -e                # exit on any uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### global variables
+###
+
+kextdir=''
+
+# prefer GNU xargs
+xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
+
+###
+### functions
+###
+
+bundle_id_source_1 () {
+    /usr/bin/find "$kextdir" -name Info.plist -print0 |                                \
+    "$xargs" -0 -I {} /usr/libexec/PlistBuddy {} -c 'Print :CFBundleIdentifier'
+}
+
+merge_sources () {
+    /usr/bin/sort | /usr/bin/uniq
+}
+
+clean_sources () {
+    /usr/bin/egrep -v '^com\.apple\.'
+}
+
+mark_up_sources () {
+    /usr/bin/perl -pe 's{\n}{\000}sg' |                                                \
+    "$xargs" -0 -I{} -n1 /bin/bash -c                                                  \
+      'printf "{}"; /bin/test "$(/usr/sbin/kextstat -kl -b "{}" | /usr/bin/wc -l)" -gt 0 && printf " (+)"; printf "\n"'
+}
+
+###
+### main
+###
+
+_list_id_in_kext () {
+
+    kextdir="$1"
+    if [[ -h "$kextdir" ]]; then
+        kextdir="$(/usr/bin/readlink "$kextdir")"
+    fi
+
+    {
+      # emit strings that look like bundle ids
+      bundle_id_source_1;
+    } |                     \
+    clean_sources |         \
+    merge_sources |         \
+    mark_up_sources
+
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then
+    printf "list_id_in_kext <file.kext>
+
+Given a Kernel Extension (kext) bundle dir on disk, extract the
+associated kext Bundle ID, which may be useful in a Cask uninstall
+stanza, eg
+
+    uninstall :kext => 'kext.id.goes.here'
+
+The kext need not be loaded for this script to work.
+
+If a given kext is currently loaded, it will be followed by a plus
+symbol '(+)' in the output.  This can be verified via the command
+
+    /usr/sbin/kextstat -kl -b 'kext.id.goes.here'
+
+See CONTRIBUTING.md and 'man kextstat' for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_id_in_kext "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_ids_in_app b/Library/Homebrew/cask/developer/bin/list_ids_in_app
new file mode 100755
index 000000000..89bb253a5
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_ids_in_app
@@ -0,0 +1,162 @@
+#!/bin/bash
+#
+# list_ids_in_app
+#
+
+###
+### settings
+###
+
+set -e                # exit on any uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### global variables
+###
+
+appdir=''
+scriptdir="$(dirname "$0")"
+
+# prefer GNU xargs
+xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
+
+###
+### functions
+###
+
+bundle_id_source_1 () {
+    /usr/bin/find "$appdir" -name Info.plist -print0 |                                 \
+    "$xargs" -0 -I {} /usr/libexec/PlistBuddy {} -c 'Print :CFBundleIdentifier'
+}
+
+merge_sources () {
+    /usr/bin/sort | /usr/bin/uniq
+}
+
+clean_sources () {
+    /usr/bin/egrep -v  '^com\.apple\.' |                                                                     \
+    /usr/bin/egrep -vi '^org\.andymatuschak\.Sparkle' |                                                      \
+    /usr/bin/egrep -vi '^(SDL|SDL_net|TDParseKit)$'   |                                                      \
+    /usr/bin/egrep -vi '^com\.growl\.(growlframework|WebKit|iCal|GrowlAction|GrowlLauncher|GrowlPlugins)' |  \
+    /usr/bin/egrep -vi '^com\.adobe\.(ACE|AGM|AXE8SharedExpat|AdobeExtendScript|AdobeScCore|AdobeXMPCore|BIB|BIBUtils|CoolType|ESD\.AdobeUpdaterLibFramework|JP2K|adobe_caps|AcrobatPlugin|AdobeResourceSynchronizer|ICUConverter|ICUData|acrobat\.assert|acrobat\.pdfviewerNPAPI|adobepdf417pmp|ahclientframework|datamatrixpmp|eulaframework|framework|linguistic|qrcodepmp)' | \
+    /usr/bin/egrep -vi '^com\.microsoft\.(Automator|certificate\.framework|chart|converterlib|converters|excel\.pde|grammar|igx|mcp|merp|msls3|netlib|officeart|ole|oleo|powerplant|powerplantcore|powerpoint\.pde|speller|thesaurus|urlmon|wizard|wordforms|MSCommon|mbuinstrument_framework|mbukernel_framework|rdpkit)' | \
+    /usr/bin/egrep -vi '^com\.google\.(Chrome\.framework|Chrome\.helper|Keystone|BreakpadFramework|GDataFramework|Reporter)' | \
+    /usr/bin/egrep -vi '^atmo\.mac\.macho' |                                                                 \
+    /usr/bin/egrep -vi '^com\.3dconnexion\.driver\.client' |                                                 \
+    /usr/bin/egrep -vi '^com\.Breakpad\.crash_report_sender' |                                               \
+    /usr/bin/egrep -vi '^com\.Cycling74\.driver\.Soundflower' |                                              \
+    /usr/bin/egrep -vi '^com\.HumbleDaisy\.HDCrashReporter' |                                                \
+    /usr/bin/egrep -vi '^com\.amazon\.JSONKit' |                                                             \
+    /usr/bin/egrep -vi '^com\.bensyverson\..*dvmatte' |                                                      \
+    /usr/bin/egrep -vi '^com\.binarymethod\.BGHUDAppKit' |                                                   \
+    /usr/bin/egrep -vi '^com\.blacktree\.(QSCore|QSEffects|QSFoundation|QSInterface)' |                      \
+    /usr/bin/egrep -vi '^com\.brandonwalkin\.BWToolkitFramework' |                                           \
+    /usr/bin/egrep -vi '^com\.cruzapp\.TDWebThumbnail' |                                                     \
+    /usr/bin/egrep -vi '^com\.cycling74\.QTExportTool' |                                                     \
+    /usr/bin/egrep -vi '^com\.fluidapp\.(BrowserBrowserPlugIn|FluidInstance|ThumbnailPlugIn)' |              \
+    /usr/bin/egrep -vi '^com\.github\.ObjectiveGit' |                                                        \
+    /usr/bin/egrep -vi '^com\.heroku\.RedisAdapter' |                                                        \
+    /usr/bin/egrep -vi '^com\.instinctivecode\.MGScopeBar' |                                                 \
+    /usr/bin/egrep -vi '^com\.intel\.nw\.helper' |                                                           \
+    /usr/bin/egrep -vi '^com\.joshaber\.RockemSockem' |                                                      \
+    /usr/bin/egrep -vi '^com\.katidev\.KTUIKit' |                                                            \
+    /usr/bin/egrep -vi '^com\.kirin\.plugin\.adapter' |                                                      \
+    /usr/bin/egrep -vi '^com\.lextek\.onix' |                                                                \
+    /usr/bin/egrep -vi '^com\.macromedia\.(Flash Player\.authplaylib|PepperFlashPlayer)' |                   \
+    /usr/bin/egrep -vi '^com\.mainconcept\.mc\.enc\.avc' |                                                   \
+    /usr/bin/egrep -vi '^com\.netscape\.(DefaultPlugin|MRJPlugin)' |                                         \
+    /usr/bin/egrep -vi '^com\.nxtbgthng\.JSONKit' |                                                          \
+    /usr/bin/egrep -vi '^com\.omnigroup\.(OmniAppKit|OmniInspector|framework)' |                             \
+    /usr/bin/egrep -vi '^com\.oracle\.java\..*\.jdk' |                                                       \
+    /usr/bin/egrep -vi '^com\.panic\.(PanicCore|automator|CodaScriptPlugIn)' |                               \
+    /usr/bin/egrep -vi '^com\.pixelespresso\.cocoafob' |                                                     \
+    /usr/bin/egrep -vi '^com\.positivespinmedia\.(PSMTabBarControlFramework|PSMTabBarFramework)' |           \
+    /usr/bin/egrep -vi '^com\.softube\.(Amplifier|Cabinet)' |                                                \
+    /usr/bin/egrep -vi '^com\.sonic\.(AS_Storage|AuthorScriptHDMV)' |                                        \
+    /usr/bin/egrep -vi '^com\.soundcloud\.Share-on-SoundCloud' |                                             \
+    /usr/bin/egrep -vi '^com\.stuffit\.(format|sdk|stuffitcore)' |                                           \
+    /usr/bin/egrep -vi '^com\.sun\.Scintilla' |                                                              \
+    /usr/bin/egrep -vi '^com\.yourcompany' |                                                                 \
+    /usr/bin/egrep -vi '^coop\.plausible\.(CrashReporter|PLWeakCompatibility)' |                             \
+    /usr/bin/egrep -vi '^de\.buzzworks\.Quincy' |                                                            \
+    /usr/bin/egrep -vi '^de\.dstoecker\.xadmaster' |                                                         \
+    /usr/bin/egrep -vi '^isao\.sonobe\.OgreKit' |                                                            \
+    /usr/bin/egrep -vi '^jp\.hmdt\.framework\.hmdtblkappkit' |                                               \
+    /usr/bin/egrep -vi '^net\.hockeyapp\.sdk\.mac' |                                                         \
+    /usr/bin/egrep -vi '^net\.java\.openjdk\.jre' |                                                          \
+    /usr/bin/egrep -vi '^net\.liquidx\.EyeTunes' |                                                           \
+    /usr/bin/egrep -vi '^net\.sourceforge\.Log4Cocoa' |                                                      \
+    /usr/bin/egrep -vi '^net\.sourceforge\.munt\.MT32Emu' |                                                  \
+    /usr/bin/egrep -vi '^net\.sourceforge\.skim-app\.framework' |                                            \
+    /usr/bin/egrep -vi '^net\.wafflesoftware\.ShortcutRecorder\.framework' |                                 \
+    /usr/bin/egrep -vi '^org\.AFNetworking\.AFNetworking' |                                                  \
+    /usr/bin/egrep -vi '^org\.boredzo\.(LMX|ISO8601DateFormatter)' |                                         \
+    /usr/bin/egrep -vi '^org\.dribin\.dave\.DDHidLib' |                                                      \
+    /usr/bin/egrep -vi '^org\.linkbackproject\.LinkBack' |                                                   \
+    /usr/bin/egrep -vi '^org\.mozilla\.(crashreporter|plugincontainer|universalchardet|updater)' |           \
+    /usr/bin/egrep -vi '^org\.python\.(python|PythonLauncher|buildapplet)' |                                 \
+    /usr/bin/egrep -vi '^org\.remotesensing\.libtiff' |                                                      \
+    /usr/bin/egrep -vi '^org\.vafer\.FeedbackReporter'   |                                                   \
+    /usr/bin/egrep -vi '^org\.xiph\.(ogg|vorbis)' |                                                          \
+    /usr/bin/egrep -vi '^se\.propellerheads\..*\.library$'
+
+}
+
+mark_up_sources () {
+    /usr/bin/perl -pe 's{\n}{\000}sg' |                                                \
+    "$xargs" -0 -I{} -n1 /bin/bash -c                                                  \
+      "printf '{}'; $scriptdir/list_running_app_ids -t '{}' >/dev/null 2>&1 && printf ' (+)'; printf "\\\\n""
+}
+
+###
+### main
+###
+
+_list_ids_in_app () {
+
+    appdir="$1"
+    if [[ -h "$appdir" ]]; then
+        appdir="$(/usr/bin/readlink "$appdir")"
+    fi
+
+    {
+      # emit strings that look like bundle ids
+      bundle_id_source_1;
+    } |                     \
+    clean_sources |         \
+    merge_sources |         \
+    mark_up_sources
+
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then
+    printf "list_ids_in_app <path.app>
+
+Given a Application (app) bundle directory on disk, extract the
+associated app Bundle ID, which may be useful in a Cask uninstall
+stanza, eg
+
+    uninstall quit: 'app.id.goes.here'
+
+The app need not be running for this script to work.
+
+Bundle IDs attributed to Apple and common developer frameworks
+are excluded from the output.
+
+If a given app is currently running, it will be followed by a plus
+symbol '(+)' in the output.  This can be verified via the command
+
+    list_running_app_ids | grep 'app.id.goes.here'
+
+See CONTRIBUTING.md for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_ids_in_app "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_ids_in_pkg b/Library/Homebrew/cask/developer/bin/list_ids_in_pkg
new file mode 100755
index 000000000..3b0dec4a6
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_ids_in_pkg
@@ -0,0 +1,115 @@
+#!/bin/bash
+#
+# list_ids_in_pkg
+#
+
+###
+### settings
+###
+
+set -e                # exit on any uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### global variables
+###
+
+pkgdir=''
+
+# prefer GNU xargs
+xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
+
+###
+### functions
+###
+
+bundle_id_source_1 () {
+    /usr/bin/find "$pkgdir" -name PackageInfo -print0 |                                \
+    "$xargs" -0 /usr/bin/perl -0777 -ne                                                \
+      'while (m{<pkg-info.*?\sid(?:entifier)?\s*=\s*"([^"]*?)"}sg) { print "$1\n" }'
+}
+
+bundle_id_source_2 () {
+    /usr/bin/find "$pkgdir" -name Info.plist -print0 |                                 \
+    "$xargs" -0 -I {} /usr/libexec/PlistBuddy {} -c 'Print :CFBundleIdentifier'
+}
+
+merge_sources () {
+    /usr/bin/sort | /usr/bin/uniq
+}
+
+clean_sources () {
+    /usr/bin/egrep -v '^com\.apple\.' |                                                \
+    /usr/bin/egrep -v 'sparkle\.finish-installation$'
+}
+
+mark_up_sources () {
+    /usr/bin/perl -pe 's{\n}{\000}sg' |                                                \
+    "$xargs" -0 -I{} -n1 /bin/bash -c                                                  \
+      'printf "{}"; /usr/sbin/pkgutil --pkg-info "{}" >/dev/null 2>&1 && printf " (+)"; printf "\n"'
+}
+
+###
+### main
+###
+
+_list_ids_in_pkg () {
+
+    if [[ -d "$1" ]]; then
+        pkgdir="$1"
+        if [[ -h "$pkgdir" ]]; then
+            pkgdir="$(/usr/bin/readlink "$pkgdir")"
+        fi
+    else
+        local tmpdir="$(/usr/bin/mktemp -d -t list_ids_in_pkg)"
+        trap "/bin/rm -rf -- '$tmpdir'" EXIT
+        pkgdir="$tmpdir/unpack"
+        /usr/sbin/pkgutil --expand "$1" "$tmpdir/unpack" "$pkgdir"
+    fi
+
+    {
+      # emit strings that look like bundle ids
+      bundle_id_source_1;
+      bundle_id_source_2;
+    } |                     \
+    merge_sources |         \
+    clean_sources |         \
+    mark_up_sources
+
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then
+    printf "list_ids_in_pkg <file.pkg>
+
+Given a package file, extract a list of candidate Package IDs
+which may be useful in a Cask uninstall stanza, eg
+
+    uninstall pkgutil: 'package.id.goes.here'
+
+The given package file need not be installed.
+
+The output of this script should be overly inclusive -- not
+every candidate package id in the output will be needed at
+uninstall time.
+
+Package IDs designated by Apple or common development frameworks
+will be excluded from the output.
+
+If a package id is already installed, it will be followed by
+a plus symbol '(+)' in the output.  This can be verified via
+the command
+
+    /usr/sbin/pkgutil --pkg-info 'package.id.goes.here'
+
+See CONTRIBUTING.md and 'man pkgutil' for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_ids_in_pkg "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_installed_launchjob_ids b/Library/Homebrew/cask/developer/bin/list_installed_launchjob_ids
new file mode 100755
index 000000000..82672c2c9
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_installed_launchjob_ids
@@ -0,0 +1,90 @@
+#!/bin/bash
+#
+# list_installed_launchjob_ids
+#
+
+###
+### settings
+###
+
+set -e                # exit on any uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### global variables
+###
+
+# prefer GNU xargs
+xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
+
+###
+### functions
+###
+
+launchjob_id_source_1 () {
+    /usr/bin/find ~/Library/LaunchAgents/          \
+                  ~/Library/LaunchDaemons/         \
+                  /Library/LaunchAgents/           \
+                  /Library/LaunchDaemons/          \
+                  -type f -print0 2>/dev/null |    \
+    "$xargs" -0 /usr/bin/perl -0777 -ne            \
+      'while (m{<key>\s*Label\s*</key>\s*<string>([^<]+?)</string>}sg) { print "$1\n" }'
+}
+
+merge_sources () {
+    /usr/bin/sort | /usr/bin/uniq
+}
+
+clean_sources () {
+    /usr/bin/egrep -v '^com\.apple\.'
+}
+
+mark_up_sources () {
+    /usr/bin/perl -pe 's{\n}{\000}sg' |                                                \
+    "$xargs" -0 -I{} -n1 /bin/bash -c                                                  \
+      'printf "{}"; /bin/launchctl list "{}" >/dev/null 2>&1 && printf " (+)"; printf "\n"'
+}
+
+###
+### main
+###
+
+_list_installed_launchjob_ids () {
+
+    {
+      launchjob_id_source_1;
+    } |                     \
+    merge_sources |         \
+    clean_sources |         \
+    mark_up_sources
+
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ ]]; then
+    printf "list_installed_launchjob_ids
+
+List all installed launchjob IDs, which may be useful
+in a Cask uninstall stanza, eg
+
+    uninstall launchctl: 'job.id.goes.here'
+
+Launchctl jobs attributed to Apple will be ommitted.
+
+If a launchctl job is currently loaded, and visible to the current
+user, it will be followed by a plus symbol '(+)' in the output.
+This can be verified via the command
+
+    /bin/launchctl list 'job.id.goes.here'
+
+See CONTRIBUTING.md and 'man launchctl' for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_installed_launchjob_ids "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_loaded_kext_ids b/Library/Homebrew/cask/developer/bin/list_loaded_kext_ids
new file mode 100755
index 000000000..19b47cb07
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_loaded_kext_ids
@@ -0,0 +1,45 @@
+#!/bin/bash
+#
+# list_loaded_kext_ids
+#
+
+###
+### settings
+###
+
+set -e               # exit on any uncaught error
+set +o histexpand    # don't expand history expressions
+shopt -s nocasematch # case-insensitive regular expressions
+
+###
+### main
+###
+
+_list_loaded_kext_ids () {
+    /usr/sbin/kextstat -kl |             \
+    /usr/bin/cut -c53- |                 \
+    /usr/bin/cut -f1 -d' ' |             \
+    /usr/bin/egrep -v '^com\.apple\.'
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ ]]; then
+    printf "list_loaded_kext_ids
+
+Print Bundle IDs for currently loaded Kernel Extensions (kexts)
+which may be useful in a Cask uninstall stanza, eg
+
+    uninstall kext: 'kext.bundle.id.goes.here'
+
+Kexts attributed to Apple are excluded from the output.
+
+See CONTRIBUTING.md for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_loaded_kext_ids "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_loaded_launchjob_ids b/Library/Homebrew/cask/developer/bin/list_loaded_launchjob_ids
new file mode 100755
index 000000000..4b1330b70
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_loaded_launchjob_ids
@@ -0,0 +1,84 @@
+#!/bin/bash
+#
+# list_loaded_launchjob_ids
+#
+
+###
+### settings
+###
+
+set -e                # exit on any uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### global variables
+###
+
+###
+### functions
+###
+
+launchjob_id_source_1 () {
+    if [[ "$EUID" -ne 0 ]]; then
+        /usr/bin/sudo -p 'Optionally give your sudo password: ' -- /bin/launchctl list | /usr/bin/cut -f3
+    fi
+}
+
+launchjob_id_source_2 () {
+    /bin/launchctl list | /usr/bin/cut -f3
+}
+
+merge_sources () {
+    /usr/bin/sort | /usr/bin/uniq
+}
+
+clean_sources () {
+    /usr/bin/egrep -v '^Label$' |                   \
+    /usr/bin/egrep -v '^com\.apple\.' |             \
+    /usr/bin/egrep -v '^0x[0-9a-f]+\.anonymous\.' | \
+    /usr/bin/egrep -v '^\[0x' |                     \
+    /usr/bin/egrep -v '\.[0-9]+$'
+}
+
+###
+### main
+###
+
+_list_loaded_launchjob_ids () {
+
+    {
+      launchjob_id_source_1;
+      launchjob_id_source_2;
+    } |                     \
+    clean_sources |         \
+    merge_sources
+
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ ]]; then
+    printf "list_loaded_launchjob_ids
+
+List IDs for currently-loaded launchctl jobs, which may be useful
+in a Cask uninstall stanza, eg
+
+    uninstall launchctl: 'job.id.goes.here'
+
+If this command is not run as the superuser, you will be prompted
+for a password to run a subcommand using 'sudo'.  The password is
+not required, but supplying it may reveal additional job ids.  To
+skip using the password, press <return> repeatedly.
+
+Launchctl jobs attributed to Apple are excluded from the output.
+
+See CONTRIBUTING.md and 'man launchctl' for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_loaded_launchjob_ids "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_login_items_for_app b/Library/Homebrew/cask/developer/bin/list_login_items_for_app
new file mode 100755
index 000000000..f775347ef
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_login_items_for_app
@@ -0,0 +1,64 @@
+#!/usr/bin/env ruby
+#
+# list_login_items_for_app
+#
+
+###
+### dependencies
+###
+
+require "open3"
+
+###
+### methods
+###
+
+def usage
+  <<-EOS
+Usage: list_login_items_for_app <path.app>
+
+Given an Application (app) bundle directory on disk, find all
+login items associated with that app, which you can use in a
+Cask uninstall stanza, eg
+
+    uninstall login_item: 'login item name'
+
+Note that you will likely need to have opened the app at least
+once for any login items to be present.
+
+See CONTRIBUTING.md for more information.
+
+EOS
+end
+
+def process_args
+  if ARGV.first =~ %r{^-+h(?:elp)?$}
+    puts usage
+    exit 0
+  elsif ARGV.length == 1
+    $app_path = ARGV.first
+  else
+    puts usage
+    exit 1
+  end
+end
+
+def list_login_items_for_app(app_path)
+  out, err, status = Open3.capture3(
+    "/usr/bin/osascript", "-e",
+    "tell application \"System Events\" to get the name of every login item " \
+    "whose path contains \"#{File.basename(app_path)}\""
+  )
+  if status.exitstatus > 0
+    $stderr.puts err
+    exit status.exitstatus
+  end
+  puts out.gsub(", ", "\n")
+end
+
+###
+### main
+###
+
+process_args
+list_login_items_for_app $app_path
diff --git a/Library/Homebrew/cask/developer/bin/list_payload_in_pkg b/Library/Homebrew/cask/developer/bin/list_payload_in_pkg
new file mode 100755
index 000000000..cf71bb2aa
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_payload_in_pkg
@@ -0,0 +1,126 @@
+#!/bin/bash
+#
+# list_payload_in_pkg
+#
+
+###
+### settings
+###
+
+set -e                # exit on any uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### global variables
+###
+
+pkg_arg=''
+tmp_boms=''
+
+# prefer GNU xargs
+xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
+
+trap cleanup_tmp_boms EXIT
+
+###
+### functions
+###
+
+cleanup_tmp_boms () {
+    if [[ -n "$tmp_boms" ]]; then
+        # tmpfile ensures that rmdir -p is not too destructive
+        local tmpfile="/tmp/list_payload_in_pkg.$$";
+        /usr/bin/touch "$tmpfile";
+        echo "$tmp_boms" |                            \
+        /usr/bin/perl -pe 's{\n}{\000}sg' |           \
+        "$xargs" -0 /bin/rm -f --;
+        {
+         echo "$tmp_boms" |                           \
+         /usr/bin/perl -pe 's{[^/]+\n}{\000}sg' |     \
+         "$xargs" -0 /bin/rmdir -p -- || true
+        } 2>/dev/null
+        /bin/rm -- "$tmpfile";
+    fi
+}
+
+bom_source_1 () {
+    /usr/bin/find "$pkg_arg" -iname '*.pkg' -print0 | \
+    "$xargs" -0 -I{} -n1 /usr/sbin/pkgutil --bom "{}" 2>/dev/null
+}
+
+bom_source_2 () {
+    /usr/bin/find "$pkg_arg" -name '*.bom'
+}
+
+expand_sources () {
+    /usr/bin/perl -pe 's{\n}{\000}sg' |               \
+    "$xargs" -0 lsbom --
+}
+
+merge_sources () {
+    /usr/bin/sort | /usr/bin/uniq
+}
+
+clean_sources () {
+    /usr/bin/cut -f1 |                                \
+    /usr/bin/perl -pe 's{\A\.}{}' |                   \
+    /usr/bin/egrep '.'
+}
+
+mark_up_sources () {
+    /usr/bin/perl -pe 's{\n}{\000}sg' |               \
+    "$xargs" -0 -I{} -n1 /bin/bash -c                 \
+      'printf "{}"; /bin/test -e "{}" >/dev/null 2>&1 && printf " (+)"; printf "\n"'
+}
+
+###
+### main
+###
+
+_list_payload_in_pkg () {
+
+    pkg_arg="$1"
+    if [[ -h "$pkg_arg" ]]; then
+        pkg_arg="$(/usr/bin/readlink "$pkg_arg")"
+    fi
+
+    tmp_boms="$(bom_source_1)";
+    {
+      # find BOM files
+      echo "$tmp_boms";
+      bom_source_2;
+    } |                  \
+    expand_sources  |    \
+    clean_sources   |    \
+    merge_sources   |    \
+    mark_up_sources
+
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then
+    printf "list_payload_in_pkg <file.pkg>
+
+Given a package file, show what files may be installed by that
+pkg, which may be useful when writing a Cask uninstall stanza.
+
+The given package file need not be installed.
+
+The output attempts to be overly inclusive.  However, since
+pkg files are allowed to run arbitrary scripts, there can be
+no guarantee that the output is exact.
+
+If a given file is already installed, it will be followed by
+a plus symbol '(+)' in the output.
+
+See CONTRIBUTING.md and 'man pkgutil' for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_payload_in_pkg "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_pkg_ids_by_regexp b/Library/Homebrew/cask/developer/bin/list_pkg_ids_by_regexp
new file mode 100755
index 000000000..6c1f392c9
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_pkg_ids_by_regexp
@@ -0,0 +1,83 @@
+#!/bin/bash
+#
+# list_pkg_ids_by_regexp
+#
+
+###
+### settings
+###
+
+set -e               # exit on any uncaught error
+set +o histexpand    # don't expand history expressions
+shopt -s nocasematch # case-insensitive regular expressions
+
+###
+### functions
+###
+
+warn () {
+    local message="$@"
+    message="${message//\\t/$'\011'}"
+    message="${message//\\n/$'\012'}"
+    message="${message%"${message##*[![:space:]]}"}"
+    printf "%s\n" "$message" 1>&2
+}
+
+die () {
+    warn "$@"
+    exit 1
+}
+
+fail_informatively () {
+    local message="No match."
+    if ! [[ "$1" =~ '*' ]]; then
+        message="$message  Suggestion: try '${1}.*'"
+    fi
+    die "$message"
+}
+
+analyze_regexp () {
+    if [[ "$1" =~ ^\^ ]]; then
+        warn "Note: pkgutil regular expressions are implicitly anchored with '^' at start"
+    fi
+    if [[ "$1" =~ \$$ ]]; then
+        warn "Note: pkgutil regular expressions are implicitly anchored with '$' at end"
+    fi
+}
+
+###
+### main
+###
+
+_list_pkg_ids_by_regexp () {
+    analyze_regexp "$1"
+    if ! /usr/sbin/pkgutil --pkgs="$1"; then
+        fail_informatively "$1"
+    fi
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ || $# -ne 1 ]]; then
+    printf "list_pkg_ids_by_regexp <regexp>
+
+Print pkg receipt IDs for installed packages matching a regular
+expression, which may be useful in a Cask uninstall stanza, eg
+
+    uninstall pkgutil: 'pkg.regexp.goes.here'
+
+Unlike most other scripts in this directory, package IDs attributed to
+Apple are NOT excluded from the output.  This is to avoid uninstalling
+essential system files due to an exuberant regexp.
+
+For more information, see
+
+    https://github.com/caskroom/homebrew-cask/blob/master/doc/cask_language_reference/stanzas/uninstall.md
+
+"
+    exit
+fi
+
+# dispatch main
+_list_pkg_ids_by_regexp "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_recent_pkg_ids b/Library/Homebrew/cask/developer/bin/list_recent_pkg_ids
new file mode 100755
index 000000000..0c203ec26
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_recent_pkg_ids
@@ -0,0 +1,46 @@
+#!/bin/bash
+#
+# list_recent_pkg_ids
+#
+
+###
+### settings
+###
+
+set -e               # exit on any uncaught error
+set +o histexpand    # don't expand history expressions
+shopt -s nocasematch # case-insensitive regular expressions
+
+###
+### main
+###
+
+_list_recent_pkg_ids () {
+    /bin/ls -t /var/db/receipts |                        \
+    /usr/bin/egrep '\.plist$' |                          \
+    /usr/bin/perl -pe 's{\A([^/]+)\.plist\Z}{$1}sg' |    \
+    /usr/bin/egrep -v '^com\.apple\.' |                  \
+    /usr/bin/head -10
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ ]]; then
+    printf "list_recent_pkg_ids
+
+Print pkg receipt IDs for the 10 most-recently-installed packages,
+which may be useful in a Cask uninstall stanza, eg
+
+    uninstall pkgutil: 'pkg.receipt.id.goes.here'
+
+Package IDs attributed to Apple are excluded from the output.
+
+See CONTRIBUTING.md for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_recent_pkg_ids "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/list_running_app_ids b/Library/Homebrew/cask/developer/bin/list_running_app_ids
new file mode 100755
index 000000000..136a578d4
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_running_app_ids
@@ -0,0 +1,115 @@
+#!/usr/bin/env ruby
+#
+# list_running_app_ids
+#
+
+###
+### dependencies
+###
+
+require "open3"
+require "set"
+
+###
+### globals
+###
+
+$opt_test = nil
+
+###
+### methods
+###
+
+def check_ruby
+  if RUBY_VERSION.to_f < 2.0
+    print "You are currently using Ruby ", RUBY_VERSION, ", but version 2.0 or above is required."
+    exit 1
+  end
+end
+
+def usage
+  <<-EOS
+list_running_app_ids [ -t <bundle-id> ]
+
+Print a list of currently running Applications and associated
+Bundle IDs, which may be useful in a Cask uninstall stanza, eg
+
+    uninstall quit: 'bundle.id.goes.here'
+
+Applications attributed to Apple are excluded from the output.
+
+With optional "-t <bundle-id>", silently test if a given app
+is running, exiting with an error code if not.
+
+See CONTRIBUTING.md for more information.
+
+EOS
+end
+
+def process_args
+  until ARGV.empty?
+    if ARGV.first =~ %r{^-+t(?:est)?$} && ARGV.length > 1
+      ARGV.shift
+      $opt_test = ARGV.shift
+    elsif ARGV.first =~ %r{^-+h(?:elp)?$}
+      puts usage
+      exit 0
+    else
+      puts usage
+      exit 1
+    end
+  end
+end
+
+def load_apps
+  out, err, status = Open3.capture3("/usr/bin/osascript", "-e", 'tell application "System Events" to get (name, bundle identifier, unix id) of every process')
+  if status.exitstatus > 0
+    puts err
+    exit status.exitstatus
+  end
+  out = out.split(", ")
+  one_third   = out.length / 3
+  @app_names  = out.shift(one_third)
+  @bundle_ids = out.shift(one_third)
+  @unix_ids   = out.shift(one_third)
+end
+
+def test_app(bundle)
+  @bundle_ids.include?(bundle) ? 0 : 1
+end
+
+def excluded_bundle_id(bundle_id)
+  %r{^com\.apple\.}.match(bundle_id)
+end
+
+def excluded_app_name(app_name)
+  %r{^osascript$}.match(app_name) # this script itself
+end
+
+def report_apps
+  running = Set.new
+  @app_names.zip(@bundle_ids, @unix_ids).each do |app_name, bundle_id, _unix_id|
+    next if excluded_bundle_id bundle_id
+    next if excluded_app_name app_name
+    bundle_id.gsub!(%r{^(missing value)$}, '<\1>')
+    running.add "#{bundle_id}\t#{app_name}"
+  end
+
+  puts "bundle_id\tapp_name\n"
+  puts "--------------------------------------\n"
+  puts running.to_a.sort
+end
+
+###
+### main
+###
+
+check_ruby
+process_args
+load_apps
+
+if $opt_test
+  exit test_app($opt_test)
+else
+  report_apps
+end
diff --git a/Library/Homebrew/cask/developer/bin/list_url_attributes_on_file b/Library/Homebrew/cask/developer/bin/list_url_attributes_on_file
new file mode 100755
index 000000000..e59497656
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/list_url_attributes_on_file
@@ -0,0 +1,84 @@
+#!/bin/bash
+#
+# list_url_attributes_on_file
+#
+
+###
+### settings
+###
+
+set -e                # exit on any uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### global variables
+###
+
+file_arg=''
+attribute_1='com.apple.metadata:kMDItemWhereFroms'
+
+###
+### functions
+###
+
+warn () {
+    local message="$@"
+    message="${message//\\t/$'\011'}"
+    message="${message//\\n/$'\012'}"
+    message="${message%"${message##*[![:space:]]}"}"
+    printf "%s\n" "$message" 1>&2
+}
+
+die () {
+    warn "$@"
+    exit 1
+}
+
+xml_source_1 () {
+    if /usr/bin/xattr -p "$attribute_1" "$file_arg" > /dev/null 2>&1; then
+        /usr/bin/xattr -p "$attribute_1" "$file_arg" | /usr/bin/xxd -r -p | /usr/bin/plutil -convert xml1 -o - - 2> /dev/null
+    fi
+}
+
+extract_string_elements () {
+    /usr/bin/perl -ne 'print "$1\n" if m{\A\s*<\s*string\s*>(.+?)<\s*/\s*string\s*>\Z}'
+}
+
+###
+### main
+###
+
+_list_url_attributes_on_file () {
+    file_arg="$1"
+    {
+      xml_source_1;
+    } |                \
+    extract_string_elements
+}
+
+# process_args
+if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then
+    printf "list_url_attributes_on_file <file>
+
+Given a downloaded file, extract possible sources from macOS extended
+attributes, which may be useful in a Cask url stanza.
+
+Currently the only attribute examined is
+
+    com.apple.metadata:kMDItemWhereFroms
+
+This attribute will typically be set if the file was downloaded via a
+browser, but not if the file was downloaded by a CLI utility such as
+curl.
+
+See CONTRIBUTING.md for more information.
+
+"
+    exit
+fi
+
+# dispatch main
+_list_url_attributes_on_file "${@}"
+
+#
diff --git a/Library/Homebrew/cask/developer/bin/merge_outdated_appcasts b/Library/Homebrew/cask/developer/bin/merge_outdated_appcasts
new file mode 100755
index 000000000..0c2b55a89
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/merge_outdated_appcasts
@@ -0,0 +1,99 @@
+#!/bin/bash
+
+IFS=$'\n'
+
+readonly caskroom_online='https://github.com/caskroom'
+readonly caskroom_repos_dir='/tmp/caskroom_repos'
+readonly caskroom_repos=(homebrew-cask homebrew-versions homebrew-fonts homebrew-eid)
+
+if [[ ! $(which 'ghi') ]] || ! security find-internet-password -s github.com -l 'ghi token' &> /dev/null; then
+  echo -e "$(tput setaf 1)
+    This script requires 'ghi' installed and configured.
+    If you have [Homebrew](http://brew.sh), you can install it with 'brew install ghi'.
+    To configure it, run 'ghi config --auth <username>'. Your Github password will be required, but is never stored.
+  $(tput sgr0)" | sed -E 's/ {4}//' >&2
+  exit 1
+fi
+
+if [[ ! $(which 'fastmerge') ]]; then
+  echo -e "$(tput setaf 1)
+    This script requires 'fastmerge'.
+    If you have [Homebrew](http://brew.sh), you can install it with 'brew install vitorgalvao/tiny-scripts/fastmerge'.
+  $(tput sgr0)" | sed -E 's/ {4}//' >&2
+  exit 1
+fi
+
+function message {
+  echo "${1}"
+}
+
+function go_to_repos_dir {
+  [[ ! -d "${caskroom_repos_dir}" ]] && mkdir -p "${caskroom_repos_dir}"
+  cd "${caskroom_repos_dir}" || exit 1
+}
+
+function go_to_repo_and_update {
+  local repo_name repo_dir casks_dir
+
+  repo_name="${1}"
+  repo_dir="${caskroom_repos_dir}/${repo_name}"
+  casks_dir="${repo_dir}/Casks"
+
+  if [[ ! -d "${repo_dir}" ]]; then
+    go_to_repos_dir
+
+    message "Cloning ${repo_name}…"
+    git clone "https://github.com/caskroom/${repo_name}.git" --quiet
+
+    cd "${casks_dir}" || exit 1
+  else
+    cd "${casks_dir}" || exit 1
+
+    message "Updating ${repo_name}…"
+    git pull --rebase origin master --quiet
+  fi
+}
+
+function delete_current_branch {
+  local current_branch
+
+  current_branch="$(git rev-parse --abbrev-ref HEAD)"
+  git checkout master --quiet
+  git branch -D "${current_branch}" --quiet
+}
+
+function delete_cask_repair_branches {
+  [[ $(ghi list --state open --pulls --label 'outdated appcast' | tail -1) == 'None.' ]] && cask-repair --push origin --delete-branches
+}
+
+function merge_outdated_appcasts {
+  local repo_name pr_number cask_name pr_url last_commit
+
+  repo_name="${1}"
+
+  for line in $(ghi list --state open --pulls --label 'outdated appcast' --reverse | tail +2); do
+    [[ "${line}" == 'None.' ]] && break # exit early if there are no relevant issues in repo
+
+    pr_number="$(awk '{print $1}' <<< "${line}")"
+    cask_name="$(awk '{print $3}' <<< "${line}")"
+    pr_url="${caskroom_online}/${repo_name}/pull/${pr_number}"
+
+    hub checkout "${pr_url}" &>/dev/null
+    last_commit="$(git log -n 1 --pretty=format:'%H')"
+    delete_current_branch
+
+    if [[ "$(hub ci-status "${last_commit}")" == 'success' ]]; then
+      message "Merging pull request for ${cask_name}…"
+      fastmerge --maintainer --remote origin "${pr_url}"
+    else
+      continue
+    fi
+  done
+}
+
+for repo in "${caskroom_repos[@]}"; do
+  go_to_repo_and_update "${repo}"
+  merge_outdated_appcasts "${repo}"
+  delete_cask_repair_branches
+  git gc
+done
diff --git a/Library/Homebrew/cask/developer/bin/production_brew_cask b/Library/Homebrew/cask/developer/bin/production_brew_cask
new file mode 120000
index 000000000..4afaf77a6
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/production_brew_cask
@@ -0,0 +1 @@
+develop_brew_cask
\ No newline at end of file
diff --git a/Library/Homebrew/cask/developer/bin/project_stats b/Library/Homebrew/cask/developer/bin/project_stats
new file mode 100755
index 000000000..652b6d7b3
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/project_stats
@@ -0,0 +1,234 @@
+#!/bin/bash
+#
+# project_stats
+#
+# stats on project/release from git database
+#
+
+###
+### settings
+###
+
+set -e               # exit on any uncaught error
+set +o histexpand    # don't expand history expressions
+shopt -s nocasematch # case-insensitive regular expressions
+
+###
+### configurable global variables
+###
+
+# these paths relative to project root
+declare -a cask_paths=(Casks)
+declare -a code_paths=(bin developer lib spec test brew-cask.rb Rakefile Gemfile Gemfile.lock .travis.yml .gitignore)
+declare -a doc_paths=(doc LICENSE "*.md")
+end_object="HEAD"
+
+###
+### global variables
+###
+
+cask_authors=''
+
+# prefer GNU xargs
+xargs="$(/usr/bin/which gxargs || printf '/usr/bin/xargs')"
+
+###
+### functions
+###
+
+warn () {
+    local message="$@"
+    message="${message//\\t/$'\011'}"
+    message="${message//\\n/$'\012'}"
+    message="${message%"${message##*[![:space:]]}"}"
+    printf "%s\n" "$message" 1>&2
+}
+
+die () {
+    warn "$@"
+    exit 1
+}
+
+cd_to_project_root () {
+    local script_dir="$(/usr/bin/dirname "$0")"
+    cd "$script_dir"
+    local git_root="$(git rev-parse --show-toplevel)"
+    if [[ -z "$git_root" ]]; then
+        die "ERROR: Could not find git project root"
+    fi
+    cd "$git_root"
+}
+
+warn_if_off_branch () {
+    local wanted_branch='master'
+    if [[ -n "$1" ]]; then
+        wanted_branch="$1"
+    fi
+
+    local current_branch="$(git rev-parse --abbrev-ref HEAD)"
+    if ! [[ "$current_branch" = "$wanted_branch" ]]; then
+        warn "\nWARNING: you are running from branch '$current_branch', not '$wanted_branch'\n\n"
+    fi
+}
+
+verify_git_object () {
+    local object="$1"
+
+    if ! git rev-parse --verify "$object" -- >/dev/null 2>&1; then
+        die "\nERROR: No such commit object: '$object'\n\n"
+    fi
+}
+
+print_contributor_stats () {
+    local start_object="$1"
+    local initial_commit="$2"
+
+    printf "====================\n"
+    printf "Contributors\n"
+    printf "====================\n"
+
+    local -a git_log_cmd=("git" "log" "--no-merges" "--format='%ae'" "${start_object}..${end_object}")
+    printf "Unique contributors"
+    if ! [[ "$start_object" = "$initial_commit" ]]; then
+        printf " since %s" "${start_object#v}"
+    fi
+    printf "\n"
+    cask_authors="$("${git_log_cmd[@]}" -- "${cask_paths[@]}" | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l)"
+    printf "  Casks\t%s\n" "$cask_authors"
+    printf "  code\t"
+    "${git_log_cmd[@]}" -- "${code_paths[@]}" | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l
+    printf "  docs\t"
+    "${git_log_cmd[@]}" -- "${doc_paths[@]}"  | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l
+    printf "  any\t"
+    "${git_log_cmd[@]}" -- .                  | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l
+    if ! [[ "$start_object" = "$initial_commit" ]]; then
+        local alltime_contribs="$(git log --no-merges --format='%ae' "${initial_commit}".."${end_object}" -- . | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l)"
+        local prior_contribs="$(git log --no-merges --format='%ae' "${initial_commit}".."${start_object}" -- . | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l)"
+        # arithmetic removes whitespace
+        ((alltime_contribs += 0))
+        ((new_contribs      = alltime_contribs - prior_contribs))
+        printf "\nAll-time contributors\t%s\n" "$alltime_contribs"
+        printf "New contributors since %s\t%s\n" "${start_object#v}" "$new_contribs"
+    fi
+    printf "\n"
+}
+
+print_commit_stats () {
+    local start_object="$1"
+    local initial_commit="$2"
+
+    printf "====================\n"
+    printf "Commits\n"
+    printf "====================\n"
+
+    local -a git_log_cmd=("git" "log" "--no-merges" "--format='%ae'" "${start_object}..${end_object}")
+    printf "Commit count"
+    if ! [[ "$start_object" = "$initial_commit" ]]; then
+        printf " since %s" "${start_object#v}"
+    fi
+    printf "\n"
+    printf "  Casks\t"
+    "${git_log_cmd[@]}" -- "${cask_paths[@]}" | /usr/bin/wc -l
+    printf "  code\t"
+    "${git_log_cmd[@]}" -- "${code_paths[@]}" | /usr/bin/wc -l
+    printf "  docs\t"
+    "${git_log_cmd[@]}" -- "${doc_paths[@]}"  | /usr/bin/wc -l
+    printf "  any\t"
+    "${git_log_cmd[@]}" -- .                  | /usr/bin/wc -l
+    if ! [[ "$start_object" = "$initial_commit" ]]; then
+        printf "\nAll-time commits\t"
+        git log --no-merges --format='%ae' "${initial_commit}".."${end_object}" -- . | /usr/bin/wc -l
+    fi
+    printf "\n"
+}
+
+print_doc_stats () {
+    local start_object="$1"
+    local initial_commit="$2"
+
+    printf "====================\n"
+    printf "Docs\n"
+    printf "====================\n"
+
+    local -a git_log_cmd=("git" "log" "--no-merges" "--format='%ae'" "${start_object}..${end_object}")
+    printf "Doc contributors"
+    if ! [[ "$start_object" = "$initial_commit" ]]; then
+        printf " since %s" "${start_object#v}"
+    fi
+    printf "\n  "
+    "${git_log_cmd[@]}" -- "${doc_paths[@]}" | /usr/bin/sort | /usr/bin/uniq | \
+      /usr/bin/egrep -v $'^\'(paul\\.t\\.hinze@gmail\\.com|fanquake@users\\.noreply\\.github\\.com|fanquake@gmail\\.com|info@vitorgalvao\\.com|calebcenter@live\\.com|hagins\\.josh@gmail\\.com|dragon\\.vctr@gmail\\.com|github@adityadalal\\.com|adityadalal924@users\\.noreply\\.github\\.com)\'$' | \
+      "$xargs" | /usr/bin/perl -pe 's{ }{, }g'           # '
+    printf "\n"
+}
+
+print_cask_stats () {
+    local start_object="$1"
+    local initial_commit="$2"
+
+    printf "====================\n"
+    printf "Casks\n"
+    printf "====================\n"
+
+    if ! [[ "$start_object" = "$initial_commit" ]]; then
+        local     new_casks="$(git diff --name-status "$start_object" "$end_object" -- "${cask_paths[@]}" | /usr/bin/grep '^A.*\.rb' | cut -f2 | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l)"
+        local deleted_casks="$(git diff --name-status "$start_object" "$end_object" -- "${cask_paths[@]}" | /usr/bin/grep '^D.*\.rb' | cut -f2 | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l)"
+        local updated_casks="$(git diff --name-status "$start_object" "$end_object" -- "${cask_paths[@]}" | /usr/bin/grep '^M.*\.rb' | cut -f2 | /usr/bin/sort | /usr/bin/uniq | /usr/bin/wc -l)"
+        # arithmetic removes whitespace
+        ((cask_authors  += 0))
+        ((deleted_casks += 0))
+        ((new_casks     -= deleted_casks))
+        ((updated_casks += 0))
+        printf "%s Casks added (%s updated) by %s contributors since %s\n" "$new_casks" "$updated_casks" "$cask_authors" "${start_object#v}"
+    fi
+
+    printf "Total current Casks in HEAD\t"
+    /usr/bin/find "${cask_paths[@]}" -name '*.rb' | /usr/bin/wc -l
+    printf "\n"
+}
+
+###
+### main
+###
+
+_project_stats () {
+    local arg_object="$1"
+
+    cd_to_project_root
+    warn_if_off_branch 'master'
+
+    local initial_commit="$(git log --pretty=format:%H -- | /usr/bin/tail -1)"
+    verify_git_object "$initial_commit"
+    local start_object="$initial_commit"
+
+    if [[ "$arg_object" = 'release' ]]; then
+        start_object="$(./developer/bin/get_release_tag)"
+    elif [[ -n "$arg_object" ]]; then
+        start_object="$arg_object"
+    fi
+    verify_git_object "$start_object"
+
+    print_contributor_stats "$start_object" "$initial_commit"
+    print_commit_stats      "$start_object" "$initial_commit"
+    print_doc_stats         "$start_object" "$initial_commit"
+    print_cask_stats        "$start_object" "$initial_commit"
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ ]]; then
+    printf "project_stats [ <commit-object> ]
+
+With optional single argument, (eg a tag or commit-hash)
+show statistics since that commit object.
+
+Use the special argument 'release' to calculate since the
+most recent tag (usually the same as the last release).
+
+Without argument, show statistics since first commit.
+
+"
+    exit
+fi
+
+# dispatch main
+_project_stats "${@}"
diff --git a/Library/Homebrew/cask/developer/bin/the_long_tail b/Library/Homebrew/cask/developer/bin/the_long_tail
new file mode 100755
index 000000000..2a4cb8e7c
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/the_long_tail
@@ -0,0 +1,252 @@
+#!/usr/bin/env ruby
+#
+# the_long_tail
+#
+# A histogram view on contributor stats
+#
+# notes
+#
+# Since this script does not track file-renames in the git history, the
+# dependence of Casks upon occasional contributors/non-maintainers can
+# only be expressed as a range or lower bound.
+#
+
+###
+### dependencies
+###
+
+require "open3"
+require "set"
+
+###
+### configurable constants
+###
+
+BINS = [
+         (1..10).to_a,
+         100,
+         1000,
+       ].flatten
+
+OCCASIONAL_CUTOFF = 5
+
+CASK_PATH = "Casks".freeze
+
+# all maintainers, past and present
+MAINTAINERS = %w[
+                paul.t.hinze@gmail.com
+                fanquake@users.noreply.github.com
+                fanquake@gmail.com
+                kevin@suttle.io
+                leoj3n@gmail.com
+                nano@fdp.io
+                nanoid.xd@gmail.com
+                me@passcod.name
+                walker@pobox.com
+                info@vitorgalvao.com
+                calebcenter@live.com
+                ndr@qef.io
+                josh@joshbutts.com
+                goxberry@gmail.com
+                radek.simko@gmail.com
+                federicobond@gmail.com
+                claui@users.noreply.github.com
+                amorymeltzer@gmail.com
+                hagins.josh@gmail.com
+                dragon.vctr@gmail.com
+                mail@sebastianroeder.de
+                github@adityadalal.com
+                adityadalal924@users.noreply.github.com
+              ].freeze
+
+###
+### git methods
+###
+
+def cd_to_project_root
+  Dir.chdir File.dirname(File.expand_path(__FILE__))
+  @git_root ||= Open3.popen3(*%w[
+                                git rev-parse --show-toplevel
+                              ]) do |_stdin, stdout, _stderr|
+    begin
+      stdout.gets.chomp
+    rescue
+    end
+  end
+  Dir.chdir @git_root
+  @git_root
+end
+
+def authors
+  @authors ||= Open3.popen3(*%w[
+                               git log --no-merges --format=%ae --
+                             ]) do |_stdin, stdout, _stderr|
+    h = {}
+    stdout.each_line do |line|
+      line.chomp!
+      h[line] ||= 0
+      h[line]  += 1
+    end
+    h
+  end
+end
+
+def casks_by_author
+  @casks_by_author ||= Open3.popen3(*%w[
+                                       git log --no-merges --name-only --format=%ae --
+                                     ],
+                                    CASK_PATH) do |_stdin, stdout, _stderr|
+    email = nil
+    h = {}
+    stdout.each_line.to_a.join("").split("\n\n").each do |paragraph|
+      if paragraph.include?("Casks/")
+        lines = paragraph.split("\n")
+        email = lines.pop
+        h[email] ||= Set.new
+        h[email].merge(lines.compact)
+      else
+        email = paragraph.chomp
+      end
+    end
+    h
+  end
+end
+
+###
+### filesystem methods
+###
+
+def all_casks
+  @all_casks ||= Open3.popen2("/usr/bin/find",
+                              CASK_PATH,
+                              *%w[-type f -name *.rb]) do |_stdin, stdout|
+    stdout.each_line.map(&:chomp)
+  end
+end
+
+###
+### analysis and report methods
+###
+
+def histogram
+  if @histogram.nil?
+    @histogram = Hash[*BINS.map { |elt| [elt, 0] }.flatten]
+    authors.each do |_name, num_commits|
+      bottom = 0
+      BINS.each do |top|
+        @histogram[bottom] += 1 if num_commits >= bottom && num_commits < top
+        bottom = top
+      end
+    end
+  end
+  @histogram
+end
+
+def historic_occasional_cask_set
+  @historic_occasional_cask_set = authors.each.collect do |name, num_commits|
+    if num_commits > OCCASIONAL_CUTOFF
+      nil
+    elsif !casks_by_author.key?(name)
+      nil
+    else
+      casks_by_author[name].to_a
+    end
+  end.flatten.compact.to_set
+end
+
+def extant_occasional_cask_count
+  # avoid double-counting renames by intersecting with extant Casks
+  historic_occasional_cask_set.intersection(all_casks).count
+end
+
+def historic_nonmaintainer_cask_set
+  @historic_nonmaintainer_cask_set = authors.each.collect do |name, _num_commits|
+    if MAINTAINERS.include?(name)
+      nil
+    else
+      casks_by_author[name].to_a
+    end
+  end.flatten.compact.to_set
+end
+
+def extant_nonmaintainer_cask_count
+  # avoid double-counting renames by intersecting with extant Casks
+  historic_nonmaintainer_cask_set.intersection(all_casks).count
+end
+
+def extant_occasional_cask_percentage
+  @extant_occasional_cask_percentage ||= (100 * extant_occasional_cask_count / all_casks.count).to_i
+end
+
+def historic_occasional_cask_percentage
+  @historic_occasional_cask_percentage ||= (100 * historic_occasional_cask_set.count / all_casks.count).to_i
+end
+
+def extant_nonmaintainer_cask_percentage
+  @extant_nonmaintainer_cask_percentage ||= (100 * extant_nonmaintainer_cask_count / all_casks.count).to_i
+end
+
+def historic_nonmaintainer_cask_percentage
+  # this is so large, it might cross 100%
+  @historic_nonmaintainer_cask_percentage ||= [100, (100 * historic_nonmaintainer_cask_set.count / all_casks.count).to_i].min
+end
+
+def onetime_author_percentage
+  @onetime_author_percentage ||= (100 *
+                                  histogram[1] /
+                                  authors.length).to_i
+end
+
+def occasional_author_percentage
+  # why is it so hard to slice a hash?
+  @occasional_author_percentage ||= (100 *
+                                 (1..OCCASIONAL_CUTOFF).to_a.collect { |bin| histogram[bin] }.reduce(:+) /
+                                 authors.length).to_i
+end
+
+def graph_width
+  if @graph_width.nil?
+    @graph_width  = `/bin/stty size 2>/dev/null`.chomp.split(" ").last.to_i
+    @graph_width  = 80 if @graph_width <= 0
+    @graph_width -= 20 if @graph_width > 20
+  end
+  @graph_width
+end
+
+def graph_normalization
+  @graph_normalization ||= histogram.values.max.to_f
+end
+
+def print_header
+  puts "Commits\tContributors"
+  puts "---------------------"
+end
+
+def print_table
+  BINS.each do |bin|
+    plural = (bin % 10) == 0 ? "'s" : ""
+    graph = "." * ((histogram[bin] / graph_normalization) * graph_width)
+    puts "#{bin}#{plural}\t#{histogram[bin]}\t#{graph}"
+  end
+end
+
+def print_footer
+  puts %Q{\n#{occasional_author_percentage}% of contributors are "occasional" (with <= #{OCCASIONAL_CUTOFF} commits)}
+  puts "\n#{onetime_author_percentage}% of contributors commit only once"
+  puts "\n#{extant_occasional_cask_percentage}% - #{historic_occasional_cask_percentage}% of Casks depend on an occasional contributor"
+  puts "\n#{extant_nonmaintainer_cask_percentage}% - #{historic_nonmaintainer_cask_percentage}% of Casks depend on a contributor who is not a maintainer"
+  puts "\n"
+end
+
+def generate_report
+  print_header
+  print_table
+  print_footer
+end
+
+###
+### main
+###
+
+cd_to_project_root
+generate_report
diff --git a/Library/Homebrew/cask/developer/bin/update_issue_template_urls b/Library/Homebrew/cask/developer/bin/update_issue_template_urls
new file mode 100755
index 000000000..8e61ff69e
--- /dev/null
+++ b/Library/Homebrew/cask/developer/bin/update_issue_template_urls
@@ -0,0 +1,106 @@
+#!/usr/bin/env bash
+#
+# update_issue_template_urls
+#
+
+###
+### settings
+###
+
+set -e                # exit on uncaught error
+set +o histexpand     # don't expand history expressions
+shopt -s nocasematch  # case-insensitive regular expressions
+
+###
+### constants
+###
+
+script_subdir='developer/bin'
+template_subdir='doc/issue_templates'
+generate_url_script='generate_issue_template_urls'
+files_to_update=('README.md')
+
+###
+### functions
+###
+
+warn () {
+    local message="$*"
+    message="${message//\\t/$'\011'}"
+    message="${message//\\n/$'\012'}"
+    message="${message%${message##*[![:space:]]}}"
+    printf "%s\n" "$message" 1>&2
+}
+
+die () {
+    warn "$@"
+    exit 1
+}
+
+usage () {
+    printf "update_issue_template_urls
+
+Regenerate issue template URLs and update them in relevant files.
+
+Note: docs using issue template URLs must use a specific format.
+If the template file is called 'bug_report.md', the URL must be
+referenced in the doc as follows:
+
+  [Some link text][bug_report_template]
+
+  ...
+
+  [bug_report_template]: (auto-generated-url)
+
+"
+}
+
+cd_to_project_root () {
+    local script_dir git_root
+    script_dir="$(/usr/bin/dirname "$0")"
+    cd "$script_dir"
+    git_root="$(git rev-parse --show-toplevel)"
+    if [[ -z "$git_root" ]]; then
+        die "ERROR: Could not find git project root"
+    fi
+    cd "$git_root"
+}
+
+generate_template_url () {
+    local template_file="$1"
+    "$script_subdir/$generate_url_script" "$template_file"
+}
+
+update_template_url () {
+    local template_name="$1"
+    local template_url="$2"
+    local escaped_template_url="${template_url/&/\\&}"
+
+    /usr/bin/sed -i '' \
+                 -e "s|^\\(\\[${template_name}_template\\]: \\).*$|\\1${escaped_template_url}|g" \
+                 -- "${files_to_update[@]}"
+}
+
+###
+### main
+###
+
+_update_issue_template_urls () {
+    local template_file template_name template_url
+    cd_to_project_root
+    for template_file in ./$template_subdir/*; do
+        template_name="${template_file##*/}"
+        template_name="${template_name%%.*}"
+        template_url="$(generate_template_url "$template_file")"
+        update_template_url "$template_name" "$template_url"
+    done
+}
+
+# process args
+if [[ $1 =~ ^-+h(elp)?$ ]]; then
+    usage
+    exit
+fi
+
+# dispatch main
+_update_issue_template_urls
diff --git a/Library/Homebrew/cask/developer/examples/brewcask-doutdated.rb b/Library/Homebrew/cask/developer/examples/brewcask-doutdated.rb
new file mode 100755
index 000000000..de0234c2f
--- /dev/null
+++ b/Library/Homebrew/cask/developer/examples/brewcask-doutdated.rb
@@ -0,0 +1,43 @@
+#!/usr/bin/env ruby
+#
+# Generously contributed by Markus Doits
+# https://github.com/doits
+# (c) 2014 MIT license
+#
+
+require "rubygems"
+
+class Hbc
+  def installed_version?
+    !installed_version.nil?
+  end
+
+  def installed_version
+    # returns latest installed version if possible
+
+    Pathname.glob(caskroom_path.join("*")).map(&:basename).sort do |x, y|
+      Gem::Version.new(x) <=> Gem::Version.new(y) # throws exception if invalid version is provided ...
+    end.last
+  rescue
+    nil
+    # ... return nil in this case
+  end
+
+  def update_available?
+    Gem::Version.correct?(version) && # we have something to compare against in Cask file ...
+      installed_version? && # ... we can determine current installed version ...
+      Gem::Version.new(installed_version) < Gem::Version.new(version) # ... compare
+  end
+end
+
+module Hbc::Scopes
+  module ClassMethods
+    def upgradable
+      Hbc.installed.select(&:update_available?)
+    end
+  end
+end
+
+upgradable_casks = Hbc.upgradable
+
+puts upgradable_casks.empty? && "No outdated packages" || upgradable_casks
diff --git a/Library/Homebrew/cask/developer/examples/brewcask-dumpcask.rb b/Library/Homebrew/cask/developer/examples/brewcask-dumpcask.rb
new file mode 100755
index 000000000..8e209f941
--- /dev/null
+++ b/Library/Homebrew/cask/developer/examples/brewcask-dumpcask.rb
@@ -0,0 +1,16 @@
+# brewcask-dumpcask
+#
+# A trivial `brew cask` external command, implemented in Ruby.
+# Loads a Cask definition, then dumps it in YAML format.
+# Example usage:
+#
+#     brew cask dumpcask google-chrome
+#
+
+command_name = ARGV.shift
+cask_token = ARGV.shift
+
+cask = Hbc.load(cask_token)
+
+Hbc.debug = true
+cask.dumpcask
diff --git a/Library/Homebrew/cask/developer/examples/brewcask-showargs b/Library/Homebrew/cask/developer/examples/brewcask-showargs
new file mode 100755
index 000000000..9f9d06dcb
--- /dev/null
+++ b/Library/Homebrew/cask/developer/examples/brewcask-showargs
@@ -0,0 +1,16 @@
+#!/bin/bash
+#
+# brewcask-showargs
+#
+# A trivial `brew cask` external command, implemented in bash.
+# Displays the arguments passed to it.  Example usage:
+#
+#     brew cask showargs these were my args
+#
+
+set -e;                # exit on uncaught error
+set +o histexpand;     # don't expand history expressions
+
+echo "$@";
+
+#
-- 
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