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brew.sh
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brew.sh
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# Force UTF-8 to avoid encoding issues for users with broken locale settings.
if [[ "$(locale charmap 2>/dev/null)" != "UTF-8" ]]
then
export LC_ALL="en_US.UTF-8"
fi
# Where we store built products; a Cellar in HOMEBREW_PREFIX (often /usr/local
# for bottles) unless there's already a Cellar in HOMEBREW_REPOSITORY.
if [[ -d "$HOMEBREW_REPOSITORY/Cellar" ]]
then
HOMEBREW_CELLAR="$HOMEBREW_REPOSITORY/Cellar"
else
HOMEBREW_CELLAR="$HOMEBREW_PREFIX/Cellar"
fi
case "$*" in
--prefix) echo "$HOMEBREW_PREFIX"; exit 0 ;;
--cellar) echo "$HOMEBREW_CELLAR"; exit 0 ;;
--repository|--repo) echo "$HOMEBREW_REPOSITORY"; exit 0 ;;
esac
# A depth of 1 means this command was directly invoked by a user.
# Higher depths mean this command was invoked by another Homebrew command.
export HOMEBREW_COMMAND_DEPTH=$((HOMEBREW_COMMAND_DEPTH + 1))
onoe() {
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 [[ $# -eq 0 ]]
then
cat >&2
else
echo "$*" >&2
fi
}
odie() {
onoe "$@"
exit 1
}
safe_cd() {
cd "$@" >/dev/null || odie "Error: failed to cd to $*!"
}
brew() {
"$HOMEBREW_BREW_FILE" "$@"
}
git() {
"$HOMEBREW_LIBRARY/Homebrew/shims/scm/git" "$@"
}
numeric() {
# Condense the exploded argument into a single return value.
# shellcheck disable=SC2086,SC2183
printf "%01d%02d%02d%02d" ${1//[.rc]/ }
}
HOMEBREW_VERSION="$(git -C "$HOMEBREW_REPOSITORY" describe --tags --dirty --abbrev=7 2>/dev/null)"
HOMEBREW_USER_AGENT_VERSION="$HOMEBREW_VERSION"
if [[ -z "$HOMEBREW_VERSION" ]]
then
HOMEBREW_VERSION=">=1.7.1 (shallow or no git repository)"
HOMEBREW_USER_AGENT_VERSION="1.X.Y"
fi
if [[ "$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: $HOMEBREW_PREFIX"
fi
HOMEBREW_SYSTEM="$(uname -s)"
case "$HOMEBREW_SYSTEM" in
Darwin) HOMEBREW_MACOS="1" ;;
Linux) HOMEBREW_LINUX="1" ;;
esac
if [[ -n "$HOMEBREW_MACOS" ]]
then
HOMEBREW_PROCESSOR="$(uname -p)"
HOMEBREW_PRODUCT="Homebrew"
HOMEBREW_SYSTEM="Macintosh"
# This is i386 even on x86_64 machines
[[ "$HOMEBREW_PROCESSOR" = "i386" ]] && HOMEBREW_PROCESSOR="Intel"
HOMEBREW_MACOS_VERSION="$(/usr/bin/sw_vers -productVersion)"
HOMEBREW_OS_VERSION="macOS $HOMEBREW_MACOS_VERSION"
# Don't change this from Mac OS X to match what macOS itself does in Safari on 10.12
HOMEBREW_OS_USER_AGENT_VERSION="Mac OS X $HOMEBREW_MACOS_VERSION"
# Intentionally set this variable by exploding another.
# shellcheck disable=SC2086,SC2183
printf -v HOMEBREW_MACOS_VERSION_NUMERIC "%02d%02d%02d" ${HOMEBREW_MACOS_VERSION//./ }
# Refuse to run on pre-Mavericks
if [[ "$HOMEBREW_MACOS_VERSION_NUMERIC" -lt "100900" ]]
then
printf "ERROR: Your version of macOS (%s) is too old to run Homebrew!\\n" "$HOMEBREW_MACOS_VERSION" >&2
if [[ "$HOMEBREW_MACOS_VERSION_NUMERIC" -lt "100700" ]]
then
printf " For 10.4 - 10.6 support see: https://github.com/mistydemeo/tigerbrew\\n" >&2
fi
printf "\\n" >&2
fi
# The system Curl is too old for some modern HTTPS certificates on
# older macOS versions.
#
if [[ "$HOMEBREW_MACOS_VERSION_NUMERIC" -lt "101000" ]]
then
HOMEBREW_SYSTEM_CURL_TOO_OLD="1"
HOMEBREW_FORCE_BREWED_CURL="1"
fi
# The system Git on macOS versions before Sierra is too old for some Homebrew functionality we rely on.
HOMEBREW_MINIMUM_GIT_VERSION="2.14.3"
if [[ "$HOMEBREW_MACOS_VERSION_NUMERIC" -lt "101200" ]]
then
HOMEBREW_FORCE_BREWED_GIT="1"
fi
HOMEBREW_CACHE="${HOMEBREW_CACHE:-${HOME}/Library/Caches/Homebrew}"
HOMEBREW_LOGS="${HOMEBREW_LOGS:-${HOME}/Library/Logs/Homebrew}"
HOMEBREW_SYSTEM_TEMP="/private/tmp"
# Set a variable when the macOS system Ruby is new enough to avoid spawning
# a Ruby process unnecessarily.
if [[ "$HOMEBREW_MACOS_VERSION_NUMERIC" -lt "101303" ]]
then
unset HOMEBREW_MACOS_SYSTEM_RUBY_NEW_ENOUGH
else
# Used in ruby.sh.
# shellcheck disable=SC2034
HOMEBREW_MACOS_SYSTEM_RUBY_NEW_ENOUGH="1"
fi
else
HOMEBREW_PROCESSOR="$(uname -m)"
HOMEBREW_PRODUCT="${HOMEBREW_SYSTEM}brew"
[[ -n "$HOMEBREW_LINUX" ]] && HOMEBREW_OS_VERSION="$(lsb_release -sd 2>/dev/null)"
: "${HOMEBREW_OS_VERSION:=$(uname -r)}"
HOMEBREW_OS_USER_AGENT_VERSION="$HOMEBREW_OS_VERSION"
# Ensure the system Curl is a version that supports modern HTTPS certificates.
HOMEBREW_MINIMUM_CURL_VERSION="7.41.0"
system_curl_version_output="$($(command -v curl) --version 2>/dev/null)"
system_curl_name_and_version="${system_curl_version_output%% (*}"
if [[ $(numeric "${system_curl_name_and_version##* }") -lt $(numeric "$HOMEBREW_MINIMUM_CURL_VERSION") ]]
then
HOMEBREW_SYSTEM_CURL_TOO_OLD="1"
HOMEBREW_FORCE_BREWED_CURL="1"
fi
# Ensure the system Git is at or newer than the minimum required version.
# Git 2.7.4 is the version of git on Ubuntu 16.04 LTS (Xenial Xerus).
HOMEBREW_MINIMUM_GIT_VERSION="2.7.0"
system_git_version_output="$($(command -v git) --version 2>/dev/null)"
if [[ $(numeric "${system_git_version_output##* }") -lt $(numeric "$HOMEBREW_MINIMUM_GIT_VERSION") ]]
then
HOMEBREW_FORCE_BREWED_GIT="1"
fi
CACHE_HOME="${XDG_CACHE_HOME:-${HOME}/.cache}"
HOMEBREW_CACHE="${HOMEBREW_CACHE:-${CACHE_HOME}/Homebrew}"
HOMEBREW_LOGS="${HOMEBREW_LOGS:-${CACHE_HOME}/Homebrew/Logs}"
HOMEBREW_SYSTEM_TEMP="/tmp"
unset HOMEBREW_MACOS_SYSTEM_RUBY_NEW_ENOUGH
fi
if [[ -n "$HOMEBREW_MACOS" || -n "$HOMEBREW_FORCE_HOMEBREW_ON_LINUX" ]]
then
HOMEBREW_BOTTLE_DEFAULT_DOMAIN="https://homebrew.bintray.com"
else
HOMEBREW_BOTTLE_DEFAULT_DOMAIN="https://linuxbrew.bintray.com"
fi
HOMEBREW_TEMP="${HOMEBREW_TEMP:-${HOMEBREW_SYSTEM_TEMP}}"
if [[ -n "$HOMEBREW_FORCE_BREWED_CURL" &&
-x "$HOMEBREW_PREFIX/opt/curl/bin/curl" ]] &&
"$HOMEBREW_PREFIX/opt/curl/bin/curl" --version >/dev/null
then
HOMEBREW_CURL="$HOMEBREW_PREFIX/opt/curl/bin/curl"
elif [[ -n "$HOMEBREW_DEVELOPER" && -x "$HOMEBREW_CURL_PATH" ]]
then
HOMEBREW_CURL="$HOMEBREW_CURL_PATH"
else
HOMEBREW_CURL="curl"
fi
if [[ -n "$HOMEBREW_FORCE_BREWED_GIT" &&
-x "$HOMEBREW_PREFIX/opt/git/bin/git" ]] &&
"$HOMEBREW_PREFIX/opt/git/bin/git" --version >/dev/null
then
HOMEBREW_GIT="$HOMEBREW_PREFIX/opt/git/bin/git"
elif [[ -n "$HOMEBREW_DEVELOPER" && -x "$HOMEBREW_GIT_PATH" ]]
then
HOMEBREW_GIT="$HOMEBREW_GIT_PATH"
else
HOMEBREW_GIT="git"
fi
HOMEBREW_USER_AGENT="$HOMEBREW_PRODUCT/$HOMEBREW_USER_AGENT_VERSION ($HOMEBREW_SYSTEM; $HOMEBREW_PROCESSOR $HOMEBREW_OS_USER_AGENT_VERSION)"
curl_version_output="$("$HOMEBREW_CURL" --version 2>/dev/null)"
curl_name_and_version="${curl_version_output%% (*}"
HOMEBREW_USER_AGENT_CURL="$HOMEBREW_USER_AGENT ${curl_name_and_version// //}"
# Declared in bin/brew
export HOMEBREW_BREW_FILE
export HOMEBREW_PREFIX
export HOMEBREW_REPOSITORY
export HOMEBREW_LIBRARY
export HOMEBREW_SYSTEM_TEMP
export HOMEBREW_TEMP
# Declared in brew.sh
export HOMEBREW_VERSION
export HOMEBREW_CACHE
export HOMEBREW_LOGS
export HOMEBREW_CELLAR
export HOMEBREW_SYSTEM
export HOMEBREW_CURL
export HOMEBREW_SYSTEM_CURL_TOO_OLD
export HOMEBREW_GIT
export HOMEBREW_MINIMUM_GIT_VERSION
export HOMEBREW_PROCESSOR
export HOMEBREW_PRODUCT
export HOMEBREW_OS_VERSION
export HOMEBREW_MACOS_VERSION
export HOMEBREW_MACOS_VERSION_NUMERIC
export HOMEBREW_USER_AGENT
export HOMEBREW_USER_AGENT_CURL
export HOMEBREW_BOTTLE_DEFAULT_DOMAIN
if [[ -n "$HOMEBREW_MACOS" && -x "/usr/bin/xcode-select" ]]
then
XCODE_SELECT_PATH=$('/usr/bin/xcode-select' --print-path 2>/dev/null)
if [[ "$XCODE_SELECT_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
# Don't check xcrun if Xcode and the CLT aren't installed, as that opens
# a popup window asking the user to install the CLT
if [[ -n "$XCODE_SELECT_PATH" ]]
then
XCRUN_OUTPUT="$(/usr/bin/xcrun clang 2>&1)"
XCRUN_STATUS="$?"
if [[ "$XCRUN_STATUS" -ne 0 && "$XCRUN_OUTPUT" = *license* ]]
then
odie <<EOS
You have not agreed to the Xcode license. Please resolve this by running:
sudo xcodebuild -license accept
EOS
fi
fi
fi
# Many Pathname operations use getwd when they shouldn't, and then throw
# odd exceptions. Reduce our support burden by showing a user-friendly error.
if [[ ! -d "$(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
for arg in "$@"
do
if [[ $arg = "--help" || $arg = "-h" || $arg = "--usage" || $arg = "-?" ]]
then
export HOMEBREW_HELP="1"
break
fi
done
HOMEBREW_ARG_COUNT="$#"
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
uninstal) HOMEBREW_COMMAND="uninstall" ;;
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" ;;
-v) HOMEBREW_COMMAND="--version" ;;
esac
if [[ "$HOMEBREW_COMMAND" = "cask" ]]
then
HOMEBREW_CASK_COMMAND="$1"
case "$HOMEBREW_CASK_COMMAND" in
instal) HOMEBREW_CASK_COMMAND="install" ;; # gem does the same
esac
fi
if [[ "$HOMEBREW_COMMAND" = "audit" || "$HOMEBREW_COMMAND" = "style" ]]
then
export HOMEBREW_INSTALL_BUNDLER_GEMS_FIRST="1"
fi
# Set HOMEBREW_DEV_CMD_RUN for users who have run a development command.
# This makes them behave like HOMEBREW_DEVELOPERs for brew update.
if [[ -z "$HOMEBREW_DEVELOPER" ]]
then
export HOMEBREW_GIT_CONFIG_FILE="$HOMEBREW_REPOSITORY/.git/config"
HOMEBREW_GIT_CONFIG_DEVELOPERMODE="$(git config --file="$HOMEBREW_GIT_CONFIG_FILE" --get homebrew.devcmdrun 2>/dev/null)"
if [[ "$HOMEBREW_GIT_CONFIG_DEVELOPERMODE" = "true" ]]
then
export HOMEBREW_DEV_CMD_RUN="1"
fi
# Don't allow non-developers to customise Ruby warnings.
unset HOMEBREW_RUBY_WARNINGS
# Disable Ruby options we don't need. RubyGems provides a decent speedup.
RUBY_DISABLE_OPTIONS="--disable=gems,did_you_mean,rubyopt"
else
# Don't disable did_you_mean for developers as it's useful.
RUBY_DISABLE_OPTIONS="--disable=gems,rubyopt"
fi
if [[ -z "$HOMEBREW_RUBY_WARNINGS" ]]
then
export HOMEBREW_RUBY_WARNINGS="-W0"
fi
if [[ -z "$HOMEBREW_BOTTLE_DOMAIN" ]]
then
export HOMEBREW_BOTTLE_DOMAIN="$HOMEBREW_BOTTLE_DEFAULT_DOMAIN"
fi
if [[ -f "$HOMEBREW_LIBRARY/Homebrew/cmd/$HOMEBREW_COMMAND.sh" ]]
then
HOMEBREW_BASH_COMMAND="$HOMEBREW_LIBRARY/Homebrew/cmd/$HOMEBREW_COMMAND.sh"
elif [[ -f "$HOMEBREW_LIBRARY/Homebrew/dev-cmd/$HOMEBREW_COMMAND.sh" ]]
then
if [[ -z "$HOMEBREW_DEVELOPER" ]]
then
git config --file="$HOMEBREW_GIT_CONFIG_FILE" --replace-all homebrew.devcmdrun true 2>/dev/null
export HOMEBREW_DEV_CMD_RUN="1"
fi
HOMEBREW_BASH_COMMAND="$HOMEBREW_LIBRARY/Homebrew/dev-cmd/$HOMEBREW_COMMAND.sh"
fi
check-run-command-as-root() {
[[ "$(id -u)" = 0 ]] || return
# Allow Azure Pipelines/Docker/Kubernetes to do everything as root (as it's normal there)
[[ -f /proc/1/cgroup ]] && grep -E "azpl_job|docker|kubepods" -q /proc/1/cgroup && return
# Homebrew Services may need `sudo` for system-wide daemons.
[[ "$HOMEBREW_COMMAND" = "services" ]] && return
# It's fine to run this as root as it's not changing anything.
[[ "$HOMEBREW_COMMAND" = "--prefix" ]] && return
odie <<EOS
Running Homebrew as root is extremely dangerous and no longer supported.
As Homebrew does not drop privileges on installation you would be giving all
build scripts full access to your system.
EOS
}
check-run-command-as-root
check-prefix-is-not-tmpdir() {
[[ -z "${HOMEBREW_MACOS}" ]] && return
if [[ "${HOMEBREW_PREFIX}" = "${HOMEBREW_TEMP}"* ]]
then
odie <<EOS
Your HOMEBREW_PREFIX is in the Homebrew temporary directory, which Homebrew
uses to store downloads and builds. You can resolve this by installing Homebrew to
either the standard prefix (/usr/local) or to a non-standard prefix that is not
in the Homebrew temporary directory.
EOS
fi
}
check-prefix-is-not-tmpdir
if [[ "$HOMEBREW_PREFIX" = "/usr/local" &&
"$HOMEBREW_PREFIX" != "$HOMEBREW_REPOSITORY" &&
"$HOMEBREW_CELLAR" = "$HOMEBREW_REPOSITORY/Cellar" ]]
then
cat >&2 <<EOS
Warning: your HOMEBREW_PREFIX is set to /usr/local but HOMEBREW_CELLAR is set
to $HOMEBREW_CELLAR. Your current HOMEBREW_CELLAR location will stop
you being able to use all the binary packages (bottles) Homebrew provides. We
recommend you move your HOMEBREW_CELLAR to /usr/local/Cellar which will get you
access to all bottles."
EOS
fi
# Don't need shellcheck to follow this `source`.
# shellcheck disable=SC1090
source "$HOMEBREW_LIBRARY/Homebrew/utils/analytics.sh"
setup-analytics
# Let user know we're still updating Homebrew if brew update --preinstall
# exceeds 3 seconds.
update-preinstall-timer() {
sleep 3
echo 'Updating Homebrew...' >&2
}
update-preinstall() {
[[ -z "$HOMEBREW_HELP" ]] || return
[[ -z "$HOMEBREW_NO_AUTO_UPDATE" ]] || return
[[ -z "$HOMEBREW_AUTO_UPDATING" ]] || return
[[ -z "$HOMEBREW_UPDATE_PREINSTALL" ]] || return
[[ -z "$HOMEBREW_AUTO_UPDATE_CHECKED" ]] || return
# If we've checked for updates, we don't need to check again.
export HOMEBREW_AUTO_UPDATE_CHECKED="1"
if [[ "$HOMEBREW_COMMAND" = "cask" ]]
then
if [[ "$HOMEBREW_CASK_COMMAND" != "upgrade" && $HOMEBREW_ARG_COUNT -lt 3 ]]
then
return
fi
elif [[ "$HOMEBREW_COMMAND" != "upgrade" && $HOMEBREW_ARG_COUNT -lt 2 ]]
then
return
fi
if [[ "$HOMEBREW_COMMAND" = "install" || "$HOMEBREW_COMMAND" = "upgrade" ||
"$HOMEBREW_COMMAND" = "bump-formula-pr" ||
"$HOMEBREW_COMMAND" = "tap" && $HOMEBREW_ARG_COUNT -gt 1 ||
"$HOMEBREW_CASK_COMMAND" = "install" || "$HOMEBREW_CASK_COMMAND" = "upgrade" ]]
then
export HOMEBREW_AUTO_UPDATING="1"
if [[ -z "$HOMEBREW_VERBOSE" ]]
then
update-preinstall-timer &
timer_pid=$!
fi
brew update --preinstall
if [[ -n "$timer_pid" ]]
then
kill "$timer_pid" 2>/dev/null
wait "$timer_pid" 2>/dev/null
fi
unset HOMEBREW_AUTO_UPDATING
# exec a new process to set any new environment variables.
exec "$HOMEBREW_BREW_FILE" "$@"
fi
}
if [[ -n "$HOMEBREW_BASH_COMMAND" ]]
then
# source rather than executing directly to ensure the entire file is read into
# memory before it is run. This makes running a Bash script behave more like
# a Ruby script and avoids hard-to-debug issues if the Bash script is updated
# at the same time as being run.
#
# Don't need shellcheck to follow this `source`.
# shellcheck disable=SC1090
source "$HOMEBREW_BASH_COMMAND"
{ update-preinstall "$@"; "homebrew-$HOMEBREW_COMMAND" "$@"; exit $?; }
else
# Don't need shellcheck to follow this `source`.
# shellcheck disable=SC1090
source "$HOMEBREW_LIBRARY/Homebrew/utils/ruby.sh"
setup-ruby-path
# Unshift command back into argument list (unless argument list was empty).
[[ "$HOMEBREW_ARG_COUNT" -gt 0 ]] && set -- "$HOMEBREW_COMMAND" "$@"
{ update-preinstall "$@"; exec "$HOMEBREW_RUBY_PATH" $HOMEBREW_RUBY_WARNINGS "$RUBY_DISABLE_OPTIONS" "$HOMEBREW_LIBRARY/Homebrew/brew.rb" "$@"; }
fi