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HOMEBREW_VERSION="0.9.9"
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_VERSION
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_ARG_COUNT="$#"
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|upgrade|create|migrate|tap|tap-pin|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 $?; }
else
# Unshift command back into argument list (unless argument list was empty).
[[ "$HOMEBREW_ARG_COUNT" -gt 0 ]] && set -- "$HOMEBREW_COMMAND" "$@"
exec "$HOMEBREW_RUBY_PATH" -W0 "$HOMEBREW_LIBRARY/brew.rb" "$@"
fi
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