diff options
Diffstat (limited to 'Library')
| -rw-r--r-- | Library/brew.sh | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/Library/brew.sh b/Library/brew.sh new file mode 100644 index 000000000..015ee17e5 --- /dev/null +++ b/Library/brew.sh @@ -0,0 +1,172 @@ +odie() { + if [[ -t 2 ]] # check whether stderr is a tty. + then + echo -ne "\033[4;31mError\033[0m: " >&2 # highlight Error with underline and red color + else + echo -n "Error: " >&2 + fi + if [[ $# -eq 0 ]] + then + /bin/cat >&2 + else + echo "$*" >&2 + fi + exit 1 +} + +chdir() { + cd "$@" >/dev/null || odie "Error: failed to cd to $*!" +} + +# Force UTF-8 to avoid encoding issues for users with broken locale settings. +if [[ "$(locale charmap 2> /dev/null)" != "UTF-8" ]] +then + export LC_ALL="en_US.UTF-8" +fi + +# Where we store built products; /usr/local/Cellar if it exists, +# otherwise a Cellar relative to the Repository. +if [[ -d "$HOMEBREW_PREFIX/Cellar" ]] +then + HOMEBREW_CELLAR="$HOMEBREW_PREFIX/Cellar" +else + HOMEBREW_CELLAR="$HOMEBREW_REPOSITORY/Cellar" +fi + +case "$*" in + --prefix) echo "$HOMEBREW_PREFIX"; exit 0 ;; + --cellar) echo "$HOMEBREW_CELLAR"; exit 0 ;; + --repository|--repo) echo "$HOMEBREW_REPOSITORY"; exit 0 ;; +esac + +if [[ "$HOMEBREW_PREFIX" = "/" || "$HOMEBREW_PREFIX" = "/usr" ]] +then + # it may work, but I only see pain this route and don't want to support it + odie "Cowardly refusing to continue at this prefix: $HOMEBREW_PREFIX" +fi + +# Users may have these set, pointing the system Ruby +# at non-system gem paths +unset GEM_HOME +unset GEM_PATH + +if [[ -z "$HOMEBREW_DEVELOPER" ]] +then + unset HOMEBREW_RUBY_PATH +fi + +if [[ "$(uname -s)" = "Darwin" ]] +then + HOMEBREW_OSX="1" +fi + +if [[ -z "$HOMEBREW_RUBY_PATH" ]] +then + if [[ -n "$HOMEBREW_OSX" ]] + then + HOMEBREW_RUBY_PATH="/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby" + else + HOMEBREW_RUBY_PATH="$(which ruby)" + fi +fi + +export HOMEBREW_BREW_FILE +export HOMEBREW_RUBY_PATH +export HOMEBREW_PREFIX +export HOMEBREW_REPOSITORY +export HOMEBREW_LIBRARY +export HOMEBREW_CELLAR + +if [[ -n "$HOMEBREW_OSX" ]] +then + if [[ "$('/usr/bin/xcode-select' --print-path)" = "/" ]] + then + odie <<EOS +Your xcode-select path is currently set to '/'. +This causes the 'xcrun' tool to hang, and can render Homebrew unusable. +If you are using Xcode, you should: + sudo xcode-select -switch /Applications/Xcode.app +Otherwise, you should: + sudo rm -rf /usr/share/xcode-select +EOS + fi + + XCRUN_OUTPUT="$(/usr/bin/xcrun clang 2>&1)" + XCRUN_STATUS="$?" + + if [[ "$XCRUN_STATUS" -ne 0 && "$XCRUN_OUTPUT" = *license* ]] + then + odie <<EOS +You have not agreed to the Xcode license. Please resolve this by running: + sudo xcodebuild -license +EOS + fi +fi + +# Many Pathname operations use getwd when they shouldn't, and then throw +# odd exceptions. Reduce our support burden by showing a user-friendly error. +if [[ ! -d "$(pwd)" ]] +then + odie "The current working directory doesn't exist, cannot proceed." +fi + +if [[ "$1" = -v ]] +then + # Shift the -v to the end of the parameter list + shift + set -- "$@" -v +fi + +HOMEBREW_COMMAND="$1" +shift +case "$HOMEBREW_COMMAND" in + ls) HOMEBREW_COMMAND="list";; + homepage) HOMEBREW_COMMAND="home";; + -S) HOMEBREW_COMMAND="search";; + up) HOMEBREW_COMMAND="update";; + ln) HOMEBREW_COMMAND="link";; + instal) HOMEBREW_COMMAND="install";; # gem does the same + rm) HOMEBREW_COMMAND="uninstall";; + remove) HOMEBREW_COMMAND="uninstall";; + configure) HOMEBREW_COMMAND="diy";; + abv) HOMEBREW_COMMAND="info";; + dr) HOMEBREW_COMMAND="doctor";; + --repo) HOMEBREW_COMMAND="--repository";; + environment) HOMEBREW_COMMAND="--env";; + --config) HOMEBREW_COMMAND="config";; +esac + +if [[ -f "$HOMEBREW_LIBRARY/Homebrew/cmd/$HOMEBREW_COMMAND.sh" ]] ; then + HOMEBREW_BASH_COMMAND="$HOMEBREW_LIBRARY/Homebrew/cmd/$HOMEBREW_COMMAND.sh" +elif [[ -n "$HOMEBREW_DEVELOPER" && -f "$HOMEBREW_LIBRARY/Homebrew/dev-cmd/$HOMEBREW_COMMAND.sh" ]] ; then + HOMEBREW_BASH_COMMAND="$HOMEBREW_LIBRARY/Homebrew/dev-cmd/$HOMEBREW_COMMAND.sh" +fi + +if [[ "$(id -u)" = "0" && "$(/usr/bin/stat -f%u "$HOMEBREW_BREW_FILE")" != "0" ]] +then + case "$HOMEBREW_COMMAND" in + install|reinstall|postinstall|link|pin|update|update-ruby|upgrade|create|migrate|tap|switch) + odie <<EOS +Cowardly refusing to 'sudo brew $HOMEBREW_COMMAND' +You can use brew with sudo, but only if the brew executable is owned by root. +However, this is both not recommended and completely unsupported so do so at +your own risk. +EOS + ;; + esac +fi + +if [[ -n "$HOMEBREW_BASH_COMMAND" ]] +then + # source rather than executing directly to ensure the entire file is read into + # memory before it is run. This makes running a Bash script behave more like + # a Ruby script and avoids hard-to-debug issues if the Bash script is updated + # at the same time as being run. + # + # Hide shellcheck complaint: + # shellcheck source=/dev/null + source "$HOMEBREW_BASH_COMMAND" + { "homebrew-$HOMEBREW_COMMAND" "$@"; exit $?; } +else + exec "$HOMEBREW_RUBY_PATH" -W0 "$HOMEBREW_LIBRARY/brew.rb" "$HOMEBREW_COMMAND" "$@" +fi |