init

1 files changed, 199 insertions, 0 deletions

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 "_${called_as}_usage"
+    exit
+fi
+
+# dispatch main
+_main "${@}"
+
+#