260 lines
8.9 KiB
Bash
Executable File
260 lines
8.9 KiB
Bash
Executable File
#!/usr/bin/env zsh
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# vi: ft=zsh
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export HOMEBREW_NO_ANALYTICS_THIS_RUN=1
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export HOMEBREW_NO_ANALYTICS_MESSAGE_OUTPUT=1
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function doesUserExist() {
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local username=$1
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dscl . -list /Users | grep "^${username}$" 2> /dev/null >&2
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}
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function runAsUser() {
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local username=$1
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shift
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sudo -Hu "${username}" "${@}"
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}
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function runAsHomebrewUser() {
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runAsUser ${homebrew_username} "$@"
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}
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function ensureUserIsInAdminGroup() {
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local username=$1
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dseditgroup -o edit -a "${username}" -t user admin
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}
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function ensureUserCanRunPasswordlessSudo() {
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local username=$1
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local sudoersFile="/etc/sudoers.d/no-auth-sudo-for-${username}"
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[[ -f ${sudoersFile} ]] && return
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cat <<- SUDOERS > "${sudoersFile}"
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Defaults:${username} !authenticate
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SUDOERS
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chown root:wheel "${sudoersFile}" || return 10
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chmod u=rw,g=r,o= "${sudoersFile}" || return 20
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}
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function getFirstFreeRoleAccountID() {
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dscl . -list '/Users' UniqueID | grep '_.*' | sort -n -k2 | awk -v i=401 '$2>200 && $2<401 {if(i < $2) { print i; nextfile} else i=$2+1;}'
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}
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function createHomebrewUser() {
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local username=$1
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local userID=`getFirstFreeRoleAccountID`
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sysadminctl -addUser "${username}" -fullName "Homebrew User" -shell /usr/bin/false -home '/var/empty' -roleAccount -UID "${userID}" > /dev/null 2>&1
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}
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function createHomebrewUserIfNeccessary() {
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if ! doesUserExist ${homebrew_username}; then
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lop -y body:warn -y body -- -i "No Homebrew user named ${homebrew_username} found." -i 'Will create user.'
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indicateActivity 'Creating Homebrew user' createHomebrewUser ${homebrew_username} || return 10
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else
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lop -y body:note -y body -- -i "Homebrew user named ${homebrew_username} already exists." -i 'Skipping.'
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fi
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}
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function ensureDirectoryWithDefaultMod() {
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local itemPath=${1}
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mkdir -p ${itemPath}
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ensureHomebrewOwnershipAndPermission ${itemPath}
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}
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function ensureHomebrewOwnershipAndPermission() {
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local itemPath=${1}
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local username=${homebrew_username}
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[[ -f ${itemPath} || -d ${itemPath} ]] || return 1
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chown -R "${username}:admin" ${itemPath}
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chmod u=rwx,go=rx ${itemPath}
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}
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function ensureLocalBinFolder() {
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local folder="/usr/local/bin"
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if [ ! -d "${folder}" ]; then
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mkdir -p "${folder}" 2> /dev/null || {
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lop -- -e 'Could not create directory' -e $folder
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return 10
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}
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chown root:admin "${folder}"
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chmod ug=rwx,o=rx "${folder}"
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fi
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}
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function getHomebrewRepositoryPath() {
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if [[ "${uname_machine}" == "arm64" ]]; then
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print -- "/opt/homebrew"
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else
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print "/usr/local/Homebrew"
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fi
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}
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function createBrewCallerScript() {
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ensureLocalBinFolder
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local username=${homebrew_username}
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local brewCallerPath="/usr/local/bin/brew"
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[ -f "${brewCallerPath}" ] && rm "${brewCallerPath}"
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cat <<- BREWCALLER > ${brewCallerPath}
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#!/usr/bin/env zsh
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if [ \"\$(id -un)\" != \"${username}\" ]; then
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echo 'brew will be run as ${username} user.' >&2
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sudo -E -u \"${username}\" \"\$0\" \"\$@\"
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exit \$?
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fi
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export HOMEBREW_CASK_OPTS=\"--no-quarantine \${HOMEBREW_CASK_OPTS}\"
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export HOMEBREW_NO_AUTO_UPDATE=1
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export HOMEBREW_NO_ANALYTICS=1
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export HOMEBREW_NO_ANALYTICS_THIS_RUN=1
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export HOMEBREW_NO_ANALYTICS_MESSAGE_OUTPUT=1
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umask 002
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\"$(getHomebrewRepositoryPath)/bin/brew\" \"\$@\"
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BREWCALLER
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chown ${username}:admin ${brewCallerPath}
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chmod u+x,go-x ${brewCallerPath}
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}
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function installHomebrewCore() {
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export NONINTERACTIVE=1
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sudo --preserve-env=NONINTERACTIVE -u "${homebrew_username}" /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
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}
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function createLaunchDaemonsPlist() {
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local username=${homebrew_username}
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local launcherName="de.astzweig.macos.launchdaemons.$1"
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local launcherPath="/Library/LaunchDaemons/${launcherName}.plist"
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[[ -f $launcherPath ]] && return
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local brewCommand="$2"
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cat <<- LAUNCHDPLIST > ${launcherPath}
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<?xml version=\"1.0\" encoding=\"UTF-8\"?>
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<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">
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<plist version=\"1.0\">
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<dict>
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<key>Label</key>
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<string>${launcherName}</string>
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<key>Program</key>
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<string>${homebrew_prefix}/bin/brew</string>
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<key>ProgramArguments</key>
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<array>
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<string>${brewCommand}</string>
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</array>
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<key>StartInterval</key>
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<integer>1800</integer>
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<key>UserName</key>
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<string>${username}</string>
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<key>GroupName</key>
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<string>admin</string>
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<key>Umask</key>
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<integer>2</integer>
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</dict>
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</plist>"
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LAUNCHDPLIST
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chown root:wheel ${launcherPath}
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chmod u=rw,go=r ${launcherPath}
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launchctl bootstrap system ${launcherPath}
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}
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function installHomebrewUpdater() {
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createLaunchDaemonsPlist brew-updater update
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createLaunchDaemonsPlist brew-upgrader upgrade
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}
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function tapHomebrewCask() {
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${homebrew_prefix}/bin/brew tap homebrew/cask ${git_homebrew_cask_remote} >&! /dev/null
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}
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function tapHomebrewCaskFonts() {
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${homebrew_prefix}/bin/brew tap homebrew/cask-fonts ${git_homebrew_font_remote} >&! /dev/null
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}
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function tapHomebrewCaskDrivers() {
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${homebrew_prefix}/bin/brew tap homebrew/cask-drivers ${git_homebrew_driver_remote} >&! /dev/null
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}
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function configure_system() {
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lop -y h1 -- -i 'Install System Homebrew'
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createHomebrewUserIfNeccessary || return 10
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indicateActivity 'Ensure Homebrew user is in admin group' ensureUserIsInAdminGroup ${homebrew_username} || return 11
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indicateActivity 'Ensure Homebrew user can run passwordless sudo' ensureUserCanRunPasswordlessSudo ${homebrew_username} || return 12
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indicateActivity 'Install Homebrew core' installHomebrewCore || return 13
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indicateActivity 'Create brew caller script' createBrewCallerScript || return 14
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indicateActivity 'Install Homebrew updater' installHomebrewUpdater || return 15
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pushd -q /
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indicateActivity 'Tapping homebrew/cask' tapHomebrewCask
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indicateActivity 'Tapping homebrew/cask-fonts' tapHomebrewCaskFonts
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indicateActivity 'Tapping homebrew/cask-drivers' tapHomebrewCaskDrivers
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popd -q
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}
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function getExecPrerequisites() {
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cmds=(
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[dscl]=''
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[dseditgroup]=''
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[chown]=''
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[chmod]=''
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[sudo]=''
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[grep]=''
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[git]=''
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[sort]=''
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[awk]=''
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[launchctl]=''
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[sysadminctl]=''
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)
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requireRootPrivileges
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}
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function getDefaultHomebrewUsername() {
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print -- _homebrew
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}
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function getDefaultGitHomebrewCaskURL() {
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print -- ${HOMEBREW_BREW_CASK_GIT_REMOTE:-https://github.com/Homebrew/homebrew-cask.git}
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}
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function getDefaultGitHomebrewCaskFontsURL() {
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print -- ${HOMEBREW_BREW_CASK_FONTS_GIT_REMOTE:-https://github.com/Homebrew/homebrew-cask-fonts.git}
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}
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function getDefaultGitHomebrewCaskDriversURL() {
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print -- ${HOMEBREW_BREW_CASK_DRIVERS_GIT_REMOTE:-https://github.com/Homebrew/homebrew-cask-drivers.git}
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}
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function getQuestions() {
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questions=(
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'i: homebrew-username=What shall the Homebrew user'\''s username be? # default:'"$(getDefaultHomebrewUsername)"
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'i: git-homebrew-cask-remote=Which Git repository shall be used to install Homebrew cask from? # default:'"$(getDefaultGitHomebrewCaskURL)"
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'i: git-homebrew-font-remote=Which Git repository shall be used to install Homebrew cask-fonts from? # default:'"$(getDefaultGitHomebrewCaskFontsURL)"
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'i: git-homebrew-driver-remote=Which Git repository shall be used to install Homebrew cask-drivers from? # default:'"$(getDefaultGitHomebrewCaskDriversURL)"
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)
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}
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function getUsage() {
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read -r -d '' text <<- USAGE
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Usage:
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$cmdName show-questions [<modkey> <modans>]...
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$cmdName [-v] [-d FILE] --homebrew-username NAME --git-homebrew-cask-remote URL --git-homebrew-font-remote URL --git-homebrew-driver-remote URL
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Create a designated Homebrew user who may not login to the system but is the
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only one able to install homebrew software systemwide. Install Homebrew at
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given PREFIX and make the new Homebrew user the owner of that.
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Options:
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--git-homebrew-cask-remote URL Git URL to the Homebrew cask repository [default: $(getDefaultGitHomebrewCaskURL)].
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--git-homebrew-font-remote URL Git URL to the Homebrew cask-fonts repository [default: $(getDefaultGitHomebrewCaskFontsURL)].
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--git-homebrew-driver-remote URL Git URL to the Homebrew cask-drivers repository [default: $(getDefaultGitHomebrewCaskDriversURL)].
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--homebrew-username NAME Username of the designated Homebrew user.
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[default: $(getDefaultHomebrewUsername)].
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-d FILE, --logfile FILE Print log message to logfile instead of stdout.
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-v, --verbose Be more verbose.
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----
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$cmdName 0.1.0
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Copyright (C) 2022 Rezart Qelibari, Astzweig GmbH & Co. KG
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License EUPL-1.2. There is NO WARRANTY, to the extent permitted by law.
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USAGE
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print -- ${text}
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}
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if [[ "${ZSH_EVAL_CONTEXT}" == toplevel ]]; then
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test -f "${ASTZWEIG_MACOS_SYSTEM_LIB}" || { echo 'This module requires macos-system library. Please run again with macos-system library provieded as a path in ASTZWEIG_MACOS_SYSTEM_LIB env variable.'; return 10 }
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source "${ASTZWEIG_MACOS_SYSTEM_LIB}"
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module_main $0 "$@"
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fi
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