mirror of
https://github.com/donl/homebrew-cask-versions.git
synced 2026-06-30 06:12:15 -06:00
31d4bf8ce3
Almost all of these two scripts are identical. Refactor out the common bits, saving over 60 lines of repetition. Right now this is handled by moving all the logic into "develop_brew_cask" and symlinking "production_brew_cask". This will be followed by another patch to add a "manage_brew_cask_links" command to do the same with sub-commands, e.g., manage_brew_cask_links status returns "production" or "develop", manage_brew_cask_links production does the same as production_brew_cask, manage_brew_cask_links develop does the same as develop_brew_cask, etc. At that point, I'd like to rename the script "manage_brew_cask_links" and have the two present names be symlinked to that. This was motivated by (besides DRY) getting tired of having to manually check symlinks to see which state I was currently in.
195 lines
4.4 KiB
Bash
Executable file
195 lines
4.4 KiB
Bash
Executable file
#!/bin/bash
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#
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# develop_brew_cask
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#
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# Called via symlink as:
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# production_brew_cask
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#
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called_as="$(basename $0)"
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###
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### settings
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###
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set -e # exit on any uncaught error
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set +o histexpand # don't expand history expressions
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shopt -s nocasematch # case-insensitive regular expressions
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###
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### configurable global variables
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###
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tap_subdir="Library/Taps/caskroom/homebrew-cask"
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###
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### functions
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###
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warn () {
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local message="$@"
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message="${message//\\t/$'\011'}"
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message="${message//\\n/$'\012'}"
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message="${message%"${message##*[![:space:]]}"}"
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printf "%s\n" "$message" 1>&2
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}
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die () {
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warn "$@"
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exit 1
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}
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cd_to_project_root () {
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local script_dir="$(/usr/bin/dirname "$0")"
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cd "$script_dir"
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local git_root="$(git rev-parse --show-toplevel)"
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if [[ -z "$git_root" ]]; then
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die "ERROR: Could not find git project root"
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fi
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cd "$git_root"
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}
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cd_to_version_dir () {
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local cellar_dir="$1"
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local version_dir="$2"
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if [[ -z "$version_dir" ]]; then
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die "ERROR: Could not find version dir under $cellar_dir/"
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fi
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cd "$cellar_dir/$version_dir"
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}
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not_inside_homebrew () {
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local tap_dir="$1"
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local git_root="$2"
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if [[ "$(/usr/bin/stat -L -f '%i' -- "$tap_dir")" -eq "$(/usr/bin/stat -L -f '%i' -- "$git_root")" ]]; then
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die "\nERROR: Run this script in your private repo, not inside Homebrew.\n"
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fi
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}
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remove_dev_links () {
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local tap_dir="$1"
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/bin/rm -- rubylib Casks
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/bin/mv -- production_rubylib rubylib
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/bin/mv -- production_Casks Casks
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cd "$tap_dir"
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/bin/rm -- lib Casks
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/bin/mv -- production_lib lib
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/bin/mv -- production_Casks Casks
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printf "brew-cask is now in production mode\n"
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printf "It is safe to run 'brew update' if you are in production mode for all Caskroom repos.\n"
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}
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create_dev_links () {
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local tap_dir="$1"
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local git_root="$2"
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/bin/mv -- rubylib production_rubylib
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/bin/mv -- Casks production_Casks
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/bin/ln -s -- "$git_root/Casks" .
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/bin/ln -s -- "$git_root/lib" rubylib
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cd "$tap_dir"
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/bin/mv -- lib production_lib
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/bin/mv -- Casks production_Casks
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/bin/ln -s -- "$git_root/Casks" .
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/bin/ln -s -- "$git_root/lib" .
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printf "brew-cask is now in development mode\n"
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printf "Note: it is not safe to run 'brew update' while in development mode\n"
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}
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###
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### main
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###
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_develop_brew_cask_develop_action () {
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die "brew-cask is already set up for development"
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}
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_develop_brew_cask_production_action () {
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create_dev_links "$tap_dir" "$git_root"
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}
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_production_brew_cask_develop_action () {
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remove_dev_links "$tap_dir"
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}
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_production_brew_cask_production_action () {
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die "brew-cask is already set up for production"
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}
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_main () {
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# initialization
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cd_to_project_root
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local git_root="$(/bin/pwd)"
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local brew_prefix="$(brew --prefix)"
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local cellar_dir="$brew_prefix/Cellar/brew-cask"
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local version_dir="$(/bin/ls -- "$cellar_dir/" | /usr/bin/sort | /usr/bin/tail -1)"
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local tap_dir="$brew_prefix/$tap_subdir"
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# sanity check
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not_inside_homebrew "$tap_dir" "$git_root"
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# action
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cd_to_version_dir "$cellar_dir" "$version_dir"
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if [[ -e "production_rubylib" ]]; then
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eval "_${called_as}_develop_action"
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else
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eval "_${called_as}_production_action"
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fi
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}
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_develop_brew_cask_usage () {
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printf "develop_brew_cask
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Symlink private repo directories into Homebrew's Cellar, so
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that the 'brew cask' command will use code and Casks from
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the current development branch in your private repo.
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Saves the production Homebrew directories under new names.
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You can reverse this operation with 'production_brew_cask'.
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Note: it is not safe to run 'brew update' while development
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mode is in effect.
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"
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}
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_production_brew_cask_usage () {
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printf "production_brew_cask
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Undo all symlinks created by 'develop_brew_cask' so that the
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'brew cask' command will use only released code and Casks
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within Homebrew.
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After running this command it is safe to run 'brew update',
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unless you are using similar scripts to create symlinks into
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other Caskroom development repos.
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"
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}
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# ensure we're called by a valid name
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case "${called_as}" in
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develop_brew_cask) ;;
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production_brew_cask) ;;
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*)
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die "ERROR: name ${called_as} not recognized"
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;;
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esac
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# process args
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if [[ $1 =~ ^-+h(elp)?$ ]]; then
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eval "_${called_as}_usage"
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exit
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fi
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# dispatch main
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_main "${@}"
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#
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