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install.sh
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#!/bin/bash
# We don't need return codes for "$(command)", only stdout is needed.
# Allow `[[ -n "$(command)" ]]`, `func "$(command)"`, pipes, etc.
# shellcheck disable=SC2312
set -u
abort() {
printf "%s\n" "$@" >&2
exit 1
}
# Fail fast with a concise message when not using bash
# Single brackets are needed here for POSIX compatibility
# shellcheck disable=SC2292
if [ -z "${BASH_VERSION:-}" ]
then
abort "Bash is required to interpret this script."
fi
# Check if script is run with force-interactive mode in CI
if [[ -n "${CI-}" && -n "${INTERACTIVE-}" ]]
then
abort "Cannot run force-interactive mode in CI."
fi
# Check if both `INTERACTIVE` and `NONINTERACTIVE` are set
# Always use single-quoted strings with `exp` expressions
# shellcheck disable=SC2016
if [[ -n "${INTERACTIVE-}" && -n "${NONINTERACTIVE-}" ]]
then
abort 'Both `$INTERACTIVE` and `$NONINTERACTIVE` are set. Please unset at least one variable and try again.'
fi
# Check if script is run in POSIX mode
if [[ -n "${POSIXLY_CORRECT+1}" ]]
then
abort 'Bash must not run in POSIX mode. Please unset POSIXLY_CORRECT and try again.'
fi
# string formatters
if [[ -t 1 ]]
then
tty_escape() { printf "\033[%sm" "$1"; }
else
tty_escape() { :; }
fi
tty_mkbold() { tty_escape "1;$1"; }
tty_underline="$(tty_escape "4;39")"
tty_blue="$(tty_mkbold 34)"
tty_red="$(tty_mkbold 31)"
tty_bold="$(tty_mkbold 39)"
tty_reset="$(tty_escape 0)"
shell_join() {
local arg
printf "%s" "$1"
shift
for arg in "$@"
do
printf " "
printf "%s" "${arg// /\ }"
done
}
chomp() {
printf "%s" "${1/"$'\n'"/}"
}
ohai() {
printf "${tty_blue}==>${tty_bold} %s${tty_reset}\n" "$(shell_join "$@")"
}
warn() {
printf "${tty_red}Warning${tty_reset}: %s\n" "$(chomp "$1")" >&2
}
usage() {
cat <<EOS
Homebrew Installer
Usage: [NONINTERACTIVE=1] [CI=1] install.sh [options]
-h, --help Display this message.
NONINTERACTIVE Install without prompting for user input
CI Install in CI mode (e.g. do not prompt for user input)
EOS
exit "${1:-0}"
}
while [[ $# -gt 0 ]]
do
case "$1" in
-h | --help) usage ;;
*)
warn "Unrecognized option: '$1'"
usage 1
;;
esac
done
# Check if script is run non-interactively (e.g. CI)
# If it is run non-interactively we should not prompt for passwords.
# Always use single-quoted strings with `exp` expressions
# shellcheck disable=SC2016
if [[ -z "${NONINTERACTIVE-}" ]]
then
if [[ -n "${CI-}" ]]
then
warn 'Running in non-interactive mode because `$CI` is set.'
NONINTERACTIVE=1
elif [[ ! -t 0 ]]
then
if [[ -z "${INTERACTIVE-}" ]]
then
warn 'Running in non-interactive mode because `stdin` is not a TTY.'
NONINTERACTIVE=1
else
warn 'Running in interactive mode despite `stdin` not being a TTY because `$INTERACTIVE` is set.'
fi
fi
else
ohai 'Running in non-interactive mode because `$NONINTERACTIVE` is set.'
fi
# USER isn't always set so provide a fall back for the installer and subprocesses.
if [[ -z "${USER-}" ]]
then
USER="$(chomp "$(id -un)")"
export USER
fi
# First check OS.
OS="$(uname)"
if [[ "${OS}" == "Linux" ]]
then
HOMEBREW_ON_LINUX=1
elif [[ "${OS}" == "Darwin" ]]
then
HOMEBREW_ON_MACOS=1
else
abort "Homebrew is only supported on macOS and Linux."
fi
# Required installation paths. To install elsewhere (which is unsupported)
# you can untar /github.com/Homebrew/brew/tarball/master
# anywhere you like.
if [[ -n "${HOMEBREW_ON_MACOS-}" ]]
then
UNAME_MACHINE="$(/usr/bin/uname -m)"
if [[ "${UNAME_MACHINE}" == "arm64" ]]
then
# On ARM macOS, this script installs to /opt/homebrew only
HOMEBREW_PREFIX="/opt/homebrew"
HOMEBREW_REPOSITORY="${HOMEBREW_PREFIX}"
else
# On Intel macOS, this script installs to /usr/local only
HOMEBREW_PREFIX="/usr/local"
HOMEBREW_REPOSITORY="${HOMEBREW_PREFIX}/Homebrew"
fi
HOMEBREW_CACHE="${HOME}/Library/Caches/Homebrew"
STAT_PRINTF=("/usr/bin/stat" "-f")
PERMISSION_FORMAT="%A"
CHOWN=("/usr/sbin/chown")
CHGRP=("/usr/bin/chgrp")
GROUP="admin"
TOUCH=("/usr/bin/touch")
INSTALL=("/usr/bin/install" -d -o "root" -g "wheel" -m "0755")
else
UNAME_MACHINE="$(uname -m)"
# On Linux, this script installs to /home/linuxbrew/.linuxbrew only
HOMEBREW_PREFIX="/home/linuxbrew/.linuxbrew"
HOMEBREW_REPOSITORY="${HOMEBREW_PREFIX}/Homebrew"
HOMEBREW_CACHE="${HOME}/.cache/Homebrew"
STAT_PRINTF=("/usr/bin/stat" "--printf")
PERMISSION_FORMAT="%a"
CHOWN=("/bin/chown")
CHGRP=("/bin/chgrp")
GROUP="$(id -gn)"
TOUCH=("/bin/touch")
INSTALL=("/usr/bin/install" -d -o "${USER}" -g "${GROUP}" -m "0755")
fi
CHMOD=("/bin/chmod")
MKDIR=("/bin/mkdir" "-p")
HOMEBREW_BREW_DEFAULT_GIT_REMOTE="/github.com/Homebrew/brew"
HOMEBREW_CORE_DEFAULT_GIT_REMOTE="/github.com/Homebrew/homebrew-core"
# Use remote URLs of Homebrew repositories from environment if set.
HOMEBREW_BREW_GIT_REMOTE="${HOMEBREW_BREW_GIT_REMOTE:-"${HOMEBREW_BREW_DEFAULT_GIT_REMOTE}"}"
HOMEBREW_CORE_GIT_REMOTE="${HOMEBREW_CORE_GIT_REMOTE:-"${HOMEBREW_CORE_DEFAULT_GIT_REMOTE}"}"
# The URLs with and without the '.git' suffix are the same Git remote. Do not prompt.
if [[ "${HOMEBREW_BREW_GIT_REMOTE}" == "${HOMEBREW_BREW_DEFAULT_GIT_REMOTE}.git" ]]
then
HOMEBREW_BREW_GIT_REMOTE="${HOMEBREW_BREW_DEFAULT_GIT_REMOTE}"
fi
if [[ "${HOMEBREW_CORE_GIT_REMOTE}" == "${HOMEBREW_CORE_DEFAULT_GIT_REMOTE}.git" ]]
then
HOMEBREW_CORE_GIT_REMOTE="${HOMEBREW_CORE_DEFAULT_GIT_REMOTE}"
fi
export HOMEBREW_{BREW,CORE}_GIT_REMOTE
# TODO: bump version when new macOS is released or announced
MACOS_NEWEST_UNSUPPORTED="16.0"
# TODO: bump version when new macOS is released
MACOS_OLDEST_SUPPORTED="13.0"
# For Homebrew on Linux
REQUIRED_RUBY_VERSION=2.6 # /github.com/Homebrew/brew/pull/6556
REQUIRED_GLIBC_VERSION=2.13 # https://docs.brew.sh/Homebrew-on-Linux#requirements
REQUIRED_CURL_VERSION=7.41.0 # HOMEBREW_MINIMUM_CURL_VERSION in brew.sh in Homebrew/brew
REQUIRED_GIT_VERSION=2.7.0 # HOMEBREW_MINIMUM_GIT_VERSION in brew.sh in Homebrew/brew
# no analytics during installation
export HOMEBREW_NO_ANALYTICS_THIS_RUN=1
export HOMEBREW_NO_ANALYTICS_MESSAGE_OUTPUT=1
unset HAVE_SUDO_ACCESS # unset this from the environment
have_sudo_access() {
if [[ ! -x "/usr/bin/sudo" ]]
then
return 1
fi
local -a SUDO=("/usr/bin/sudo")
if [[ -n "${SUDO_ASKPASS-}" ]]
then
SUDO+=("-A")
elif [[ -n "${NONINTERACTIVE-}" ]]
then
SUDO+=("-n")
fi
if [[ -z "${HAVE_SUDO_ACCESS-}" ]]
then
if [[ -n "${NONINTERACTIVE-}" ]]
then
"${SUDO[@]}" -l mkdir &>/dev/null
else
"${SUDO[@]}" -v && "${SUDO[@]}" -l mkdir &>/dev/null
fi
HAVE_SUDO_ACCESS="$?"
fi
if [[ -n "${HOMEBREW_ON_MACOS-}" ]] && [[ "${HAVE_SUDO_ACCESS}" -ne 0 ]]
then
abort "Need sudo access on macOS (e.g. the user ${USER} needs to be an Administrator)!"
fi
return "${HAVE_SUDO_ACCESS}"
}
execute() {
if ! "$@"
then
abort "$(printf "Failed during: %s" "$(shell_join "$@")")"
fi
}
retry() {
local tries="$1" n="$1" pause=2
shift
if ! "$@"
then
while [[ $((--n)) -gt 0 ]]
do
warn "$(printf "Trying again in %d seconds: %s" "${pause}" "$(shell_join "$@")")"
sleep "${pause}"
((pause *= 2))
if "$@"
then
return
fi
done
abort "$(printf "Failed %d times doing: %s" "${tries}" "$(shell_join "$@")")"
fi
}
execute_sudo() {
local -a args=("$@")
if [[ "${EUID:-${UID}}" != "0" ]] && have_sudo_access
then
if [[ -n "${SUDO_ASKPASS-}" ]]
then
args=("-A" "${args[@]}")
fi
ohai "/usr/bin/sudo" "${args[@]}"
execute "/usr/bin/sudo" "${args[@]}"
else
ohai "${args[@]}"
execute "${args[@]}"
fi
}
getc() {
local save_state
save_state="$(/bin/stty -g)"
/bin/stty raw -echo
IFS='' read -r -n 1 -d '' "$@"
/bin/stty "${save_state}"
}
ring_bell() {
# Use the shell's audible bell.
if [[ -t 1 ]]
then
printf "\a"
fi
}
wait_for_user() {
local c
echo
echo "Press ${tty_bold}RETURN${tty_reset}/${tty_bold}ENTER${tty_reset} to continue or any other key to abort:"
getc c
# we test for \r and \n because some stuff does \r instead
if ! [[ "${c}" == $'\r' || "${c}" == $'\n' ]]
then
exit 1
fi
}
major_minor() {
echo "${1%%.*}.$(
x="${1#*.}"
echo "${x%%.*}"
)"
}
version_gt() {
[[ "${1%.*}" -gt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -gt "${2#*.}" ]]
}
version_ge() {
[[ "${1%.*}" -gt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -ge "${2#*.}" ]]
}
version_lt() {
[[ "${1%.*}" -lt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -lt "${2#*.}" ]]
}
check_run_command_as_root() {
[[ "${EUID:-${UID}}" == "0" ]] || return
# Allow Azure Pipelines/GitHub Actions/Docker/Concourse/Kubernetes to do everything as root (as it's normal there)
[[ -f /.dockerenv ]] && return
[[ -f /run/.containerenv ]] && return
[[ -f /proc/1/cgroup ]] && grep -E "azpl_job|actions_job|docker|garden|kubepods" -q /proc/1/cgroup && return
abort "Don't run this as root!"
}
should_install_command_line_tools() {
if [[ -n "${HOMEBREW_ON_LINUX-}" ]]
then
return 1
fi
if version_gt "${macos_version}" "10.13"
then
! [[ -e "/Library/Developer/CommandLineTools/usr/bin/git" ]]
else
! [[ -e "/Library/Developer/CommandLineTools/usr/bin/git" ]] ||
! [[ -e "/usr/include/iconv.h" ]]
fi
}
get_permission() {
"${STAT_PRINTF[@]}" "${PERMISSION_FORMAT}" "$1"
}
user_only_chmod() {
[[ -d "$1" ]] && [[ "$(get_permission "$1")" != 75[0145] ]]
}
exists_but_not_writable() {
[[ -e "$1" ]] && ! [[ -r "$1" && -w "$1" && -x "$1" ]]
}
get_owner() {
"${STAT_PRINTF[@]}" "%u" "$1"
}
file_not_owned() {
[[ "$(get_owner "$1")" != "$(id -u)" ]]
}
get_group() {
"${STAT_PRINTF[@]}" "%g" "$1"
}
file_not_grpowned() {
[[ " $(id -G "${USER}") " != *" $(get_group "$1") "* ]]
}
# Please sync with 'test_ruby()' in 'Library/Homebrew/utils/ruby.sh' from the Homebrew/brew repository.
test_ruby() {
if [[ ! -x "$1" ]]
then
return 1
fi
"$1" --enable-frozen-string-literal --disable=gems,did_you_mean,rubyopt -rrubygems -e \
"abort if Gem::Version.new(RUBY_VERSION.to_s.dup).to_s.split('.').first(2) != \
Gem::Version.new('${REQUIRED_RUBY_VERSION}').to_s.split('.').first(2)" 2>/dev/null
}
test_curl() {
if [[ ! -x "$1" ]]
then
return 1
fi
if [[ "$1" == "/snap/bin/curl" ]]
then
warn "Ignoring $1 (curl snap is too restricted)"
return 1
fi
local curl_version_output curl_name_and_version
curl_version_output="$("$1" --version 2>/dev/null)"
curl_name_and_version="${curl_version_output%% (*}"
version_ge "$(major_minor "${curl_name_and_version##* }")" "$(major_minor "${REQUIRED_CURL_VERSION}")"
}
test_git() {
if [[ ! -x "$1" ]]
then
return 1
fi
local git_version_output
git_version_output="$("$1" --version 2>/dev/null)"
if [[ "${git_version_output}" =~ "git version "([^ ]*).* ]]
then
version_ge "$(major_minor "${BASH_REMATCH[1]}")" "$(major_minor "${REQUIRED_GIT_VERSION}")"
else
abort "Unexpected Git version: '${git_version_output}'!"
fi
}
# Search for the given executable in PATH (avoids a dependency on the `which` command)
which() {
# Alias to Bash built-in command `type -P`
type -P "$@"
}
# Search PATH for the specified program that satisfies Homebrew requirements
# function which is set above
# shellcheck disable=SC2230
find_tool() {
if [[ $# -ne 1 ]]
then
return 1
fi
local executable
while read -r executable
do
if [[ "${executable}" != /* ]]
then
warn "Ignoring ${executable} (relative paths don't work)"
elif "test_$1" "${executable}"
then
echo "${executable}"
break
fi
done < <(which -a "$1")
}
no_usable_ruby() {
[[ -z "$(find_tool ruby)" ]]
}
outdated_glibc() {
local glibc_version
glibc_version="$(ldd --version | head -n1 | grep -o '[0-9.]*$' | grep -o '^[0-9]\+\.[0-9]\+')"
version_lt "${glibc_version}" "${REQUIRED_GLIBC_VERSION}"
}
if [[ -n "${HOMEBREW_ON_LINUX-}" ]] && no_usable_ruby && outdated_glibc
then
abort "$(
cat <<EOABORT
Homebrew requires Ruby ${REQUIRED_RUBY_VERSION} which was not found on your system.
Homebrew portable Ruby requires Glibc version ${REQUIRED_GLIBC_VERSION} or newer,
and your Glibc version is too old. See:
${tty_underline}https://docs.brew.sh/Homebrew-on-Linux#requirements${tty_reset}
Please install Ruby ${REQUIRED_RUBY_VERSION} and add its location to your PATH.
EOABORT
)"
fi
# Invalidate sudo timestamp before exiting (if it wasn't active before).
if [[ -x /usr/bin/sudo ]] && ! /usr/bin/sudo -n -v 2>/dev/null
then
trap '/usr/bin/sudo -k' EXIT
fi
# Things can fail later if `pwd` doesn't exist.
# Also sudo prints a warning message for no good reason
cd "/usr" || exit 1
####################################################################### script
# shellcheck disable=SC2016
ohai 'Checking for `sudo` access (which may request your password)...'
if [[ -n "${HOMEBREW_ON_MACOS-}" ]]
then
[[ "${EUID:-${UID}}" == "0" ]] || have_sudo_access
elif ! [[ -w "${HOMEBREW_PREFIX}" ]] &&
! [[ -w "/home/linuxbrew" ]] &&
! [[ -w "/home" ]] &&
! have_sudo_access
then
abort "$(
cat <<EOABORT
Insufficient permissions to install Homebrew to "${HOMEBREW_PREFIX}" (the default prefix).
Alternative (unsupported) installation methods are available at:
https://docs.brew.sh/Installation#alternative-installs
Please note this will require most formula to build from source, a buggy, slow and energy-inefficient experience.
We will close any issues without response for these unsupported configurations.
EOABORT
)"
fi
HOMEBREW_CORE="${HOMEBREW_REPOSITORY}/Library/Taps/homebrew/homebrew-core"
check_run_command_as_root
if [[ -d "${HOMEBREW_PREFIX}" && ! -x "${HOMEBREW_PREFIX}" ]]
then
abort "$(
cat <<EOABORT
The Homebrew prefix ${tty_underline}${HOMEBREW_PREFIX}${tty_reset} exists but is not searchable.
If this is not intentional, please restore the default permissions and
try running the installer again:
sudo chmod 775 ${HOMEBREW_PREFIX}
EOABORT
)"
fi
if [[ -n "${HOMEBREW_ON_MACOS-}" ]]
then
# On macOS, support 64-bit Intel and ARM
if [[ "${UNAME_MACHINE}" != "arm64" ]] && [[ "${UNAME_MACHINE}" != "x86_64" ]]
then
abort "Homebrew is only supported on Intel and ARM processors!"
fi
else
# On Linux, support only 64-bit Intel
if [[ "${UNAME_MACHINE}" == "aarch64" ]]
then
abort "$(
cat <<EOABORT
Homebrew on Linux is not supported on ARM processors.
${tty_underline}https://docs.brew.sh/Homebrew-on-Linux#arm-unsupported${tty_reset}
EOABORT
)"
elif [[ "${UNAME_MACHINE}" != "x86_64" ]]
then
abort "Homebrew on Linux is only supported on Intel processors!"
fi
fi
if [[ -n "${HOMEBREW_ON_MACOS-}" ]]
then
macos_version="$(major_minor "$(/usr/bin/sw_vers -productVersion)")"
if version_lt "${macos_version}" "10.7"
then
abort "$(
cat <<EOABORT
Your Mac OS X version is too old. See:
${tty_underline}https://github.com/mistydemeo/tigerbrew${tty_reset}
EOABORT
)"
elif version_lt "${macos_version}" "10.11"
then
abort "Your OS X version is too old."
elif version_ge "${macos_version}" "${MACOS_NEWEST_UNSUPPORTED}" ||
version_lt "${macos_version}" "${MACOS_OLDEST_SUPPORTED}"
then
who="We"
what=""
if version_ge "${macos_version}" "${MACOS_NEWEST_UNSUPPORTED}"
then
what="pre-release version"
else
who+=" (and Apple)"
what="old version"
fi
ohai "You are using macOS ${macos_version}."
ohai "${who} do not provide support for this ${what}."
echo "$(
cat <<EOS
This installation may not succeed.
After installation, you will encounter build failures with some formulae.
Please create pull requests instead of asking for help on Homebrew\'s GitHub,
Twitter or any other official channels. You are responsible for resolving any
issues you experience while you are running this ${what}.
EOS
)
" | tr -d "\\"
fi
fi
ohai "This script will install:"
echo "${HOMEBREW_PREFIX}/bin/brew"
echo "${HOMEBREW_PREFIX}/share/doc/homebrew"
echo "${HOMEBREW_PREFIX}/share/man/man1/brew.1"
echo "${HOMEBREW_PREFIX}/share/zsh/site-functions/_brew"
echo "${HOMEBREW_PREFIX}/etc/bash_completion.d/brew"
echo "${HOMEBREW_REPOSITORY}"
# Keep relatively in sync with
# /github.com/Homebrew/brew/blob/master/Library/Homebrew/keg.rb
directories=(
bin etc include lib sbin share opt var
Frameworks
etc/bash_completion.d lib/pkgconfig
share/aclocal share/doc share/info share/locale share/man
share/man/man1 share/man/man2 share/man/man3 share/man/man4
share/man/man5 share/man/man6 share/man/man7 share/man/man8
var/log var/homebrew var/homebrew/linked
bin/brew
)
group_chmods=()
for dir in "${directories[@]}"
do
if exists_but_not_writable "${HOMEBREW_PREFIX}/${dir}"
then
group_chmods+=("${HOMEBREW_PREFIX}/${dir}")
fi
done
# zsh refuses to read from these directories if group writable
directories=(share/zsh share/zsh/site-functions)
zsh_dirs=()
for dir in "${directories[@]}"
do
zsh_dirs+=("${HOMEBREW_PREFIX}/${dir}")
done
directories=(
bin etc include lib sbin share var opt
share/zsh share/zsh/site-functions
var/homebrew var/homebrew/linked
Cellar Caskroom Frameworks
)
mkdirs=()
for dir in "${directories[@]}"
do
if ! [[ -d "${HOMEBREW_PREFIX}/${dir}" ]]
then
mkdirs+=("${HOMEBREW_PREFIX}/${dir}")
fi
done
user_chmods=()
mkdirs_user_only=()
if [[ "${#zsh_dirs[@]}" -gt 0 ]]
then
for dir in "${zsh_dirs[@]}"
do
if [[ ! -d "${dir}" ]]
then
mkdirs_user_only+=("${dir}")
elif user_only_chmod "${dir}"
then
user_chmods+=("${dir}")
fi
done
fi
chmods=()
if [[ "${#group_chmods[@]}" -gt 0 ]]
then
chmods+=("${group_chmods[@]}")
fi
if [[ "${#user_chmods[@]}" -gt 0 ]]
then
chmods+=("${user_chmods[@]}")
fi
chowns=()
chgrps=()
if [[ "${#chmods[@]}" -gt 0 ]]
then
for dir in "${chmods[@]}"
do
if file_not_owned "${dir}"
then
chowns+=("${dir}")
fi
if file_not_grpowned "${dir}"
then
chgrps+=("${dir}")
fi
done
fi
if [[ "${#group_chmods[@]}" -gt 0 ]]
then
ohai "The following existing directories will be made group writable:"
printf "%s\n" "${group_chmods[@]}"
fi
if [[ "${#user_chmods[@]}" -gt 0 ]]
then
ohai "The following existing directories will be made writable by user only:"
printf "%s\n" "${user_chmods[@]}"
fi
if [[ "${#chowns[@]}" -gt 0 ]]
then
ohai "The following existing directories will have their owner set to ${tty_underline}${USER}${tty_reset}:"
printf "%s\n" "${chowns[@]}"
fi
if [[ "${#chgrps[@]}" -gt 0 ]]
then
ohai "The following existing directories will have their group set to ${tty_underline}${GROUP}${tty_reset}:"
printf "%s\n" "${chgrps[@]}"
fi
if [[ "${#mkdirs[@]}" -gt 0 ]]
then
ohai "The following new directories will be created:"
printf "%s\n" "${mkdirs[@]}"
fi
if should_install_command_line_tools
then
ohai "The Xcode Command Line Tools will be installed."
fi
non_default_repos=""
additional_shellenv_commands=()
if [[ "${HOMEBREW_BREW_DEFAULT_GIT_REMOTE}" != "${HOMEBREW_BREW_GIT_REMOTE}" ]]
then
ohai "HOMEBREW_BREW_GIT_REMOTE is set to a non-default URL:"
echo "${tty_underline}${HOMEBREW_BREW_GIT_REMOTE}${tty_reset} will be used as the Homebrew/brew Git remote."
non_default_repos="Homebrew/brew"
additional_shellenv_commands+=("export HOMEBREW_BREW_GIT_REMOTE=\"${HOMEBREW_BREW_GIT_REMOTE}\"")
fi
if [[ "${HOMEBREW_CORE_DEFAULT_GIT_REMOTE}" != "${HOMEBREW_CORE_GIT_REMOTE}" ]]
then
ohai "HOMEBREW_CORE_GIT_REMOTE is set to a non-default URL:"
echo "${tty_underline}${HOMEBREW_CORE_GIT_REMOTE}${tty_reset} will be used as the Homebrew/homebrew-core Git remote."
non_default_repos="${non_default_repos:-}${non_default_repos:+ and }Homebrew/homebrew-core"
additional_shellenv_commands+=("export HOMEBREW_CORE_GIT_REMOTE=\"${HOMEBREW_CORE_GIT_REMOTE}\"")
fi
if [[ -n "${HOMEBREW_NO_INSTALL_FROM_API-}" ]]
then
ohai "HOMEBREW_NO_INSTALL_FROM_API is set."
echo "Homebrew/homebrew-core will be tapped during this ${tty_bold}install${tty_reset} run."
fi
if [[ -z "${NONINTERACTIVE-}" ]]
then
ring_bell
wait_for_user
fi
if [[ -d "${HOMEBREW_PREFIX}" ]]
then
if [[ "${#chmods[@]}" -gt 0 ]]
then
execute_sudo "${CHMOD[@]}" "u+rwx" "${chmods[@]}"
fi
if [[ "${#group_chmods[@]}" -gt 0 ]]
then
execute_sudo "${CHMOD[@]}" "g+rwx" "${group_chmods[@]}"
fi
if [[ "${#user_chmods[@]}" -gt 0 ]]
then
execute_sudo "${CHMOD[@]}" "go-w" "${user_chmods[@]}"
fi
if [[ "${#chowns[@]}" -gt 0 ]]
then
execute_sudo "${CHOWN[@]}" "${USER}" "${chowns[@]}"
fi
if [[ "${#chgrps[@]}" -gt 0 ]]
then
execute_sudo "${CHGRP[@]}" "${GROUP}" "${chgrps[@]}"
fi
else
execute_sudo "${INSTALL[@]}" "${HOMEBREW_PREFIX}"
fi
if [[ "${#mkdirs[@]}" -gt 0 ]]
then
execute_sudo "${MKDIR[@]}" "${mkdirs[@]}"
execute_sudo "${CHMOD[@]}" "ug=rwx" "${mkdirs[@]}"
if [[ "${#mkdirs_user_only[@]}" -gt 0 ]]
then
execute_sudo "${CHMOD[@]}" "go-w" "${mkdirs_user_only[@]}"
fi
execute_sudo "${CHOWN[@]}" "${USER}" "${mkdirs[@]}"
execute_sudo "${CHGRP[@]}" "${GROUP}" "${mkdirs[@]}"
fi
if ! [[ -d "${HOMEBREW_REPOSITORY}" ]]
then
execute_sudo "${MKDIR[@]}" "${HOMEBREW_REPOSITORY}"
fi
execute_sudo "${CHOWN[@]}" "-R" "${USER}:${GROUP}" "${HOMEBREW_REPOSITORY}"
if ! [[ -d "${HOMEBREW_CACHE}" ]]
then
if [[ -n "${HOMEBREW_ON_MACOS-}" ]]
then
execute_sudo "${MKDIR[@]}" "${HOMEBREW_CACHE}"
else
execute "${MKDIR[@]}" "${HOMEBREW_CACHE}"
fi
fi
if exists_but_not_writable "${HOMEBREW_CACHE}"
then
execute_sudo "${CHMOD[@]}" "g+rwx" "${HOMEBREW_CACHE}"
fi
if file_not_owned "${HOMEBREW_CACHE}"
then
execute_sudo "${CHOWN[@]}" "-R" "${USER}" "${HOMEBREW_CACHE}"
fi
if file_not_grpowned "${HOMEBREW_CACHE}"
then
execute_sudo "${CHGRP[@]}" "-R" "${GROUP}" "${HOMEBREW_CACHE}"
fi
if [[ -d "${HOMEBREW_CACHE}" ]]
then
execute "${TOUCH[@]}" "${HOMEBREW_CACHE}/.cleaned"
fi
if should_install_command_line_tools && version_ge "${macos_version}" "10.13"
then
ohai "Searching online for the Command Line Tools"
# This temporary file prompts the 'softwareupdate' utility to list the Command Line Tools
clt_placeholder="/tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress"
execute_sudo "${TOUCH[@]}" "${clt_placeholder}"
clt_label_command="/usr/sbin/softwareupdate -l |
grep -B 1 -E 'Command Line Tools' |
awk -F'*' '/^ *\\*/ {print \$2}' |
sed -e 's/^ *Label: //' -e 's/^ *//' |
sort -V |
tail -n1"
clt_label="$(chomp "$(/bin/bash -c "${clt_label_command}")")"
if [[ -n "${clt_label}" ]]
then
ohai "Installing ${clt_label}"
execute_sudo "/usr/sbin/softwareupdate" "-i" "${clt_label}"
execute_sudo "/usr/bin/xcode-select" "--switch" "/Library/Developer/CommandLineTools"
fi
execute_sudo "/bin/rm" "-f" "${clt_placeholder}"
fi
# Headless install may have failed, so fallback to original 'xcode-select' method
if should_install_command_line_tools && test -t 0
then
ohai "Installing the Command Line Tools (expect a GUI popup):"
execute "/usr/bin/xcode-select" "--install"
echo "Press any key when the installation has completed."
getc
execute_sudo "/usr/bin/xcode-select" "--switch" "/Library/Developer/CommandLineTools"
fi
if [[ -n "${HOMEBREW_ON_MACOS-}" ]] && ! output="$(/usr/bin/xcrun clang 2>&1)" && [[ "${output}" == *"license"* ]]
then
abort "$(
cat <<EOABORT
You have not agreed to the Xcode license.
Before running the installer again please agree to the license by opening
Xcode.app or running:
sudo xcodebuild -license
EOABORT
)"
fi
USABLE_GIT=/usr/bin/git
if [[ -n "${HOMEBREW_ON_LINUX-}" ]]
then
USABLE_GIT="$(find_tool git)"
if [[ -z "$(command -v git)" ]]
then
abort "$(
cat <<EOABORT
You must install Git before installing Homebrew. See:
${tty_underline}https://docs.brew.sh/Installation${tty_reset}
EOABORT
)"
fi
if [[ -z "${USABLE_GIT}" ]]
then
abort "$(
cat <<EOABORT
The version of Git that was found does not satisfy requirements for Homebrew.
Please install Git ${REQUIRED_GIT_VERSION} or newer and add it to your PATH.
EOABORT
)"
fi
if [[ "${USABLE_GIT}" != /usr/bin/git ]]
then
export HOMEBREW_GIT_PATH="${USABLE_GIT}"
ohai "Found Git: ${HOMEBREW_GIT_PATH}"
fi
fi
if ! command -v curl >/dev/null
then
abort "$(
cat <<EOABORT
You must install cURL before installing Homebrew. See:
${tty_underline}https://docs.brew.sh/Installation${tty_reset}
EOABORT
)"
elif [[ -n "${HOMEBREW_ON_LINUX-}" ]]
then
USABLE_CURL="$(find_tool curl)"
if [[ -z "${USABLE_CURL}" ]]
then
abort "$(
cat <<EOABORT
The version of cURL that was found does not satisfy requirements for Homebrew.
Please install cURL ${REQUIRED_CURL_VERSION} or newer and add it to your PATH.
EOABORT
)"
elif [[ "${USABLE_CURL}" != /usr/bin/curl ]]
then
export HOMEBREW_CURL_PATH="${USABLE_CURL}"
ohai "Found cURL: ${HOMEBREW_CURL_PATH}"
fi
fi
ohai "Downloading and installing Homebrew..."
(
cd "${HOMEBREW_REPOSITORY}" >/dev/null || return
# we do it in four steps to avoid merge errors when reinstalling
execute "${USABLE_GIT}" "-c" "init.defaultBranch=master" "init" "--quiet"
# "git remote add" will fail if the remote is defined in the global config
execute "${USABLE_GIT}" "config" "remote.origin.url" "${HOMEBREW_BREW_GIT_REMOTE}"
execute "${USABLE_GIT}" "config" "remote.origin.fetch" "+refs/heads/*:refs/remotes/origin/*"
# ensure we don't munge line endings on checkout
execute "${USABLE_GIT}" "config" "--bool" "core.autocrlf" "false"
# make sure symlinks are saved as-is
execute "${USABLE_GIT}" "config" "--bool" "core.symlinks" "true"
if [[ -z "${NONINTERACTIVE-}" ]]
then
quiet_progress=("--quiet" "--progress")
else
quiet_progress=("--quiet")
fi
retry 5 "${USABLE_GIT}" "fetch" "${quiet_progress[@]}" "--force" "origin"
retry 5 "${USABLE_GIT}" "fetch" "${quiet_progress[@]}" "--force" "--tags" "origin"
execute "${USABLE_GIT}" "remote" "set-head" "origin" "--auto" >/dev/null
LATEST_GIT_TAG="$("${USABLE_GIT}" tag --list --sort="-version:refname" | head -n1)"
if [[ -z "${LATEST_GIT_TAG}" ]]
then
abort "Failed to query latest Homebrew/brew Git tag."
fi
execute "${USABLE_GIT}" "checkout" "--quiet" "--force" "-B" "stable" "${LATEST_GIT_TAG}"
if [[ "${HOMEBREW_REPOSITORY}" != "${HOMEBREW_PREFIX}" ]]
then
if [[ "${HOMEBREW_REPOSITORY}" == "${HOMEBREW_PREFIX}/Homebrew" ]]
then
execute "ln" "-sf" "../Homebrew/bin/brew" "${HOMEBREW_PREFIX}/bin/brew"
else
abort "The Homebrew/brew repository should be placed in the Homebrew prefix directory."
fi
fi
if [[ -n "${HOMEBREW_NO_INSTALL_FROM_API-}" && ! -d "${HOMEBREW_CORE}" ]]
then
# Always use single-quoted strings with `exp` expressions
# shellcheck disable=SC2016
ohai 'Tapping homebrew/core because `$HOMEBREW_NO_INSTALL_FROM_API` is set.'
(
execute "${MKDIR[@]}" "${HOMEBREW_CORE}"
cd "${HOMEBREW_CORE}" >/dev/null || return
execute "${USABLE_GIT}" "-c" "init.defaultBranch=master" "init" "--quiet"
execute "${USABLE_GIT}" "config" "remote.origin.url" "${HOMEBREW_CORE_GIT_REMOTE}"
execute "${USABLE_GIT}" "config" "remote.origin.fetch" "+refs/heads/*:refs/remotes/origin/*"
execute "${USABLE_GIT}" "config" "--bool" "core.autocrlf" "false"
execute "${USABLE_GIT}" "config" "--bool" "core.symlinks" "true"
retry 5 "${USABLE_GIT}" "fetch" "--force" "${quiet_progress[@]}" \
"origin" "refs/heads/master:refs/remotes/origin/master"
execute "${USABLE_GIT}" "remote" "set-head" "origin" "--auto" >/dev/null
execute "${USABLE_GIT}" "reset" "--hard" "origin/master"