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#!/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message="$(echo "Outdated cask: ${cask_name}
Outdated cask: [\`${cask_name}\`](${cask_url}).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issue_number=$(ghi open --label 'outdated appcast' --message "${message}" | head -1 | perl -pe 's/^#(\d+): .*/\1/')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
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