Automatically extract the bootstrap script from upstream Homebrew
This commit is contained in:
Zhaofeng Li
@@ -0,0 +1,157 @@
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# -----
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# The following is copied from upstream bin/brew
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# Copyright (c) 2009-present, Homebrew contributors
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# -----
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# nix-homebrew:
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# Run scripts/update-brew-tail.sh to update this
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# Load Homebrew's variable configuration files from disk.
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export_homebrew_env_file() {
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local env_file
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env_file="${1}"
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[[ -r "${env_file}" ]] || return 0
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while read -r line
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do
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# only load HOMEBREW_* lines
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[[ "${line}" = "HOMEBREW_"* ]] || continue
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export "${line?}"
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done <"${env_file}"
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}
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# First, load the system-wide configuration.
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unset SYSTEM_ENV_TAKES_PRIORITY
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if [[ -n "${HOMEBREW_SYSTEM_ENV_TAKES_PRIORITY-}" ]]
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then
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SYSTEM_ENV_TAKES_PRIORITY="1"
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else
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export_homebrew_env_file "/etc/homebrew/brew.env"
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fi
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# Next, load the prefix configuration
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export_homebrew_env_file "${HOMEBREW_PREFIX}/etc/homebrew/brew.env"
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# Finally, load the user configuration
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if [[ -n "${XDG_CONFIG_HOME-}" ]]
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then
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HOMEBREW_USER_CONFIG_HOME="${XDG_CONFIG_HOME}/homebrew"
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else
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HOMEBREW_USER_CONFIG_HOME="${HOME}/.homebrew"
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fi
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export_homebrew_env_file "${HOMEBREW_USER_CONFIG_HOME}/brew.env"
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# If the system configuration takes priority, load it last.
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if [[ -n "${SYSTEM_ENV_TAKES_PRIORITY-}" ]]
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then
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export_homebrew_env_file "/etc/homebrew/brew.env"
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fi
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# Copy and export all HOMEBREW_* variables previously mentioned in
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# manpage or used elsewhere by Homebrew.
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# These variables are allowed to be set by the user as, e.g., `HOMEBREW_BROWSER`.
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MANPAGE_VARS=(
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BAT_CONFIG_PATH
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BAT_THEME
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BROWSER
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DISPLAY
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EDITOR
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NO_COLOR
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)
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for VAR in "${MANPAGE_VARS[@]}"
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do
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# Skip if variable value is empty.
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[[ -z "${!VAR:-}" ]] && continue
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VAR_NEW="HOMEBREW_${VAR}"
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# Skip if existing HOMEBREW_* variable is set.
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[[ -n "${!VAR_NEW:-}" ]] && continue
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export "${VAR_NEW}"="${!VAR}"
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done
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# We don't want to take the user's value for, e.g., `HOMEBREW_PATH` here!
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USED_BY_HOMEBREW_VARS=(
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CODESPACES
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COLORTERM
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DBUS_SESSION_BUS_ADDRESS
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PATH
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SSH_TTY
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SUDO_USER
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TMUX
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XDG_CACHE_HOME
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XDG_RUNTIME_DIR
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)
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for VAR in "${USED_BY_HOMEBREW_VARS[@]}"
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do
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# Skip if variable value is empty.
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[[ -z "${!VAR:-}" ]] && continue
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# We unconditionally override `HOMEBREW_*` here.
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VAR_NEW="HOMEBREW_${VAR}"
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export "${VAR_NEW}"="${!VAR}"
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done
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unset VAR VAR_NEW MANPAGE_VARS USED_BY_HOMEBREW_VARS
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export HOMEBREW_BREW_FILE
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export HOMEBREW_PREFIX
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export HOMEBREW_REPOSITORY
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export HOMEBREW_LIBRARY
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export HOMEBREW_USER_CONFIG_HOME
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# set from user environment
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# shellcheck disable=SC2154
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# Use VISUAL if HOMEBREW_EDITOR and EDITOR are unset.
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if [[ -z "${HOMEBREW_EDITOR:-}" && -n "${VISUAL:-}" ]]
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then
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export HOMEBREW_EDITOR="${VISUAL}"
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fi
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# set from user environment
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# shellcheck disable=SC2154
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# Set CI variable for Azure Pipelines and Jenkins
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# (Set by default on GitHub Actions, Circle and Travis CI)
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if [[ -z "${CI:-}" ]] && [[ -n "${TF_BUILD:-}" || -n "${JENKINS_HOME:-}" ]]
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then
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export CI="1"
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fi
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if [[ -n "${GITHUB_ACTIONS:-}" && -n "${ImageOS:-}" && -n "${ImageVersion:-}" ]]
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then
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export HOMEBREW_GITHUB_HOSTED_RUNNER=1
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fi
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# filter the user environment
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PATH="/usr/bin:/bin:/usr/sbin:/sbin"
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FILTERED_ENV=()
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ENV_VAR_NAMES=(
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HOME SHELL PATH TERM TERMINFO TERMINFO_DIRS COLUMNS DISPLAY LOGNAME USER CI SSH_AUTH_SOCK SUDO_ASKPASS
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http_proxy https_proxy ftp_proxy no_proxy all_proxy HTTPS_PROXY FTP_PROXY ALL_PROXY
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)
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# Filter all but the specific variables.
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for VAR in "${ENV_VAR_NAMES[@]}" "${!HOMEBREW_@}"
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do
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# Skip if variable value is empty.
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[[ -z "${!VAR:-}" ]] && continue
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FILTERED_ENV+=("${VAR}=${!VAR}")
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done
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if [[ -n "${CI:-}" ]]
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then
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for VAR in "${!GITHUB_@}"
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do
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# Skip if variable value is empty.
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[[ -z "${!VAR:-}" ]] && continue
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# Skip variables that look like tokens.
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[[ "${VAR}" = *TOKEN* ]] && continue
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FILTERED_ENV+=("${VAR}=${!VAR}")
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done
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fi
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unset VAR ENV_VAR_NAMES
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exec /usr/bin/env -i "${FILTERED_ENV[@]}" /bin/bash "${HOMEBREW_LIBRARY}/Homebrew/brew.sh" "$@"
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+1
-143
@@ -128,149 +128,7 @@ let
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'' + lib.optionalString (prefix.taps ? "homebrew/homebrew-core") ''
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# Disable API to use pinned homebrew-core
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export HOMEBREW_NO_INSTALL_FROM_API=1
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'' + ''
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# -----
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# The following is copied from upstream bin/brew
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# Copyright (c) 2009-present, Homebrew contributors
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# -----
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# Load Homebrew's variable configuration files from disk.
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export_homebrew_env_file() {
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local env_file
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env_file="''${1}"
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[[ -r "''${env_file}" ]] || return 0
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while read -r line
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do
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# only load HOMEBREW_* lines
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[[ "''${line}" = "HOMEBREW_"* ]] || continue
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export "''${line?}"
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done <"''${env_file}"
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}
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# First, load the system-wide configuration.
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unset SYSTEM_ENV_TAKES_PRIORITY
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if [[ -n "''${HOMEBREW_SYSTEM_ENV_TAKES_PRIORITY-}" ]]
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then
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SYSTEM_ENV_TAKES_PRIORITY="1"
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else
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export_homebrew_env_file "/etc/homebrew/brew.env"
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fi
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# Next, load the prefix configuration
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export_homebrew_env_file "''${HOMEBREW_PREFIX}/etc/homebrew/brew.env"
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# Finally, load the user configuration
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if [[ -n "''${XDG_CONFIG_HOME-}" ]]
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then
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HOMEBREW_USER_CONFIG_HOME="''${XDG_CONFIG_HOME}/homebrew"
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else
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HOMEBREW_USER_CONFIG_HOME="''${HOME}/.homebrew"
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fi
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export_homebrew_env_file "''${HOMEBREW_USER_CONFIG_HOME}/brew.env"
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# If the system configuration takes priority, load it last.
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if [[ -n "''${SYSTEM_ENV_TAKES_PRIORITY-}" ]]
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then
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export_homebrew_env_file "/etc/homebrew/brew.env"
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fi
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export HOMEBREW_USER_CONFIG_HOME
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# Copy and export all HOMEBREW_* variables previously mentioned in
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# manpage or used elsewhere by Homebrew.
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# These variables are allowed to be set by the user as, e.g., `HOMEBREW_BROWSER`.
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MANPAGE_VARS=(
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BAT_CONFIG_PATH
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BAT_THEME
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BROWSER
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DISPLAY
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EDITOR
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NO_COLOR
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)
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for VAR in "''${MANPAGE_VARS[@]}"
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do
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# Skip if variable value is empty.
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[[ -z "''${!VAR:-}" ]] && continue
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VAR_NEW="HOMEBREW_''${VAR}"
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# Skip if existing HOMEBREW_* variable is set.
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[[ -n "''${!VAR_NEW:-}" ]] && continue
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export "''${VAR_NEW}"="''${!VAR}"
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done
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# We don't want to take the user's value for, e.g., `HOMEBREW_PATH` here!
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USED_BY_HOMEBREW_VARS=(
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CODESPACES
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DBUS_SESSION_BUS_ADDRESS
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PATH
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TMUX
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XDG_RUNTIME_DIR
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)
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for VAR in "''${USED_BY_HOMEBREW_VARS[@]}"
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do
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# Skip if variable value is empty.
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[[ -z "''${!VAR:-}" ]] && continue
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# We unconditionally override `HOMEBREW_*` here.
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VAR_NEW="HOMEBREW_''${VAR}"
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export "''${VAR_NEW}"="''${!VAR}"
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done
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unset VAR VAR_NEW MANPAGE_VARS USED_BY_HOMEBREW_VARS
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# set from user environment
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# shellcheck disable=SC2154
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# Use VISUAL if HOMEBREW_EDITOR and EDITOR are unset.
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if [[ -z "''${HOMEBREW_EDITOR:-}" && -n "''${VISUAL:-}" ]]
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then
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export HOMEBREW_EDITOR="''${VISUAL}"
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fi
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# set from user environment
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# shellcheck disable=SC2154
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# Set CI variable for Azure Pipelines and Jenkins
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# (Set by default on GitHub Actions, Circle and Travis CI)
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if [[ -z "''${CI:-}" ]] && [[ -n "''${TF_BUILD:-}" || -n "''${JENKINS_HOME:-}" ]]
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then
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export CI="1"
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fi
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# filter the user environment
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PATH="${runtimePath}:/usr/bin:/bin:/usr/sbin:/sbin"
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FILTERED_ENV=()
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ENV_VAR_NAMES=(
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HOME SHELL PATH TERM TERMINFO TERMINFO_DIRS COLUMNS DISPLAY LOGNAME USER CI SSH_AUTH_SOCK SUDO_ASKPASS
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http_proxy https_proxy ftp_proxy no_proxy all_proxy HTTPS_PROXY FTP_PROXY ALL_PROXY
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)
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# Filter all but the specific variables.
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for VAR in "''${ENV_VAR_NAMES[@]}" "''${!HOMEBREW_@}"
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do
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# Skip if variable value is empty.
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[[ -z "''${!VAR:-}" ]] && continue
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FILTERED_ENV+=("''${VAR}=''${!VAR}")
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done
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if [[ -n "''${CI:-}" ]]
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then
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for VAR in "''${!GITHUB_@}"
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do
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# Skip if variable value is empty.
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[[ -z "''${!VAR:-}" ]] && continue
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# Skip variables that look like tokens.
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[[ "''${VAR}" = *TOKEN* ]] && continue
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FILTERED_ENV+=("''${VAR}=''${!VAR}")
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done
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fi
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unset VAR ENV_VAR_NAMES
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exec /usr/bin/env -i "''${FILTERED_ENV[@]}" /bin/bash "''${HOMEBREW_LIBRARY}/Homebrew/brew.sh" "$@"
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'');
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'' + (builtins.readFile ./brew.tail.sh));
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in pkgs.substituteAll {
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name = "brew";
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src = template;
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Executable
+25
@@ -0,0 +1,25 @@
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#!/usr/bin/env bash
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set -euo pipefail
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: "${BREW_SRC:=}"
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root="$(dirname $0)/.."
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brew_tail="$root/modules/brew.tail.sh"
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brew_upstream="${BREW_SRC}/bin/brew"
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if [[ -z "${BREW_SRC}" ]]; then
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>&2 echo "\$BREW_SRC must be set"
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exit 1
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fi
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>&2 echo "Updating ${brew_tail} using ${brew_upstream}"
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cat >"${brew_tail}" <<EOF
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# -----
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# The following is copied from upstream bin/brew
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# Copyright (c) 2009-present, Homebrew contributors
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# -----
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# nix-homebrew:
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# Run scripts/update-brew-tail.sh to update this
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EOF
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sed -e '1,/^HOMEBREW_LIBRARY=/d' "${brew_upstream}" >>"${brew_tail}"
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Reference in New Issue
Block a user