lib-mac.sh

#!/usr/bin/env bash
##
## Mac OS X specific routines
##

# https://stackoverflow.com/questions/9483959/osx-10-8-loginitems
# https://apple.stackexchange.com/questions/310495/can-login-items-be-added-via-the-command-line-in-high-sierra
## usage: mac_login_item [items...]
mac_login_item_add() {
	for item in "$@"; do
		# this worked for Mac OS 10.8 but not Monterey
		#defaults write "$HOME/Library/Preferences/loginwindow" \
		#    AutoLaunchedApplicationDictionary -array-add \
		#    -array-add "{ \"Path\" = \"$item\"; \"Hide\" = \"0\"; }"
		osascript -e "tell application \"System Events\" to make login item at end with properties {path:\"$item\", hidden:false }"
	done
}

# If this is full xcode make sure to accept the license
xcode_license_accept() {
	# https://apple.stackexchange.com/questions/175069/how-to-accept-xcode-license:w
	# command line tools do not have xcodebuild and do not need a license
	# note we cannot use bash 4.x constructs as this might be called with vanilla MacOS
	if ! xcode-select -p | grep -q CommandLineTools; then
		sudo xcodebuild -license accept
	fi
}

# xcode_cli_install: check for the tools and install them
xcode_cli_install() {
	if ! xcode-select -p >/dev/null && ! pkgutil --pkg-info=com.apple.pkg.CLTools_Executables >/dev/null; then
		xcode-select --install
	fi
}

# returns the mac release
mac_version() {
	sw_vers -productVersion
}

# return the Mac architecture arm64 or i386
mac_arch() {
	uname -m
}

mac_is_arm() {
	[[ $OSTYPE =~ darwin ]] && mac_arch | grep -q arm64
}

#  converst version to the code name used for things like install-macports.sh which needs names
# https://en.wikipedia.org/wiki/MacOS
mac_codename() {
	case $(mac_version) in
	13.*)
		echo Ventura
		;;
	12.*)
		echo Monterey
		;;
	11.*)
		echo Big Sur
		;;
	10.15*)
		echo Catalina
		;;
	10.14*)
		echo Mojave
		;;
	10.13*)
		echo High Sierra
		;;
	10.12*)
		echo Sierra
		;;
	10.11*)
		echo El Capitan
		;;
	10.10*)
		echo Yosemite
		;;
	10.9*)
		echo Mavericks
		;;
	10.8*)
		echo Mountain Lion
		;;
	10.7*)
		echo Lion
		;;
	10.6*)
		echo Snow Leopard
		;;
	10.5*)
		echo Leopard
		;;
	10.4*)
		echo Tiger
		;;
	10.3*)
		echo Panther
		;;
	10.2*)
		echo Jaguar
		;;
	10.1*)
		echo Puma
		;;
	10.0*)
		echo Cheetah
		;;
	*)
		return 1
		;;
	esac
}

# find a file in the /Volumes and you can use the wild card at the end
# usage: find_in_volume filename [volume with wild carding]
find_in_volume() {
	if [[ ! $OSTYPE =~ darwin ]]; then return 0; fi
	if (($# < 1)); then return 1; fi
	local path="/Volumes"
	if (($# > 1)); then local path="$path/$2"; fi
	# Find the first volume that has the app
	# Note that we use $path so there are can be multiple directories here
	# http://askubuntu.com/questions/444551/get-absolute-path-of-files-using-find-command
	# but readlink -f not availabe on Mac OS, so use feeding find an absolute path
	# returns an absolute path trick
	find "$path"* -name "$1" -print -quit 2>/dev/null
}

# Looks in /Volumes for the app, runs the command and then detaches
# find_in_volume_open_then_detach name_of_app [volume]
find_in_volume_open_then_detach() {
	if [[ ! $OSTYPE =~ darwin ]]; then return 0; fi
	if (($# < 1)); then return 1; fi

	# Find the first volume that hass the app
	# http://stackoverflow.com/questions/5720194/bash-argument-passing-to-child-or
	# uses special behaviou or $@ in double quotes to keep arguments wrapped
	local app
	app=$(find_in_volume "$@")
	if [[ -z $app ]]; then return 1; fi

	open "$app"
	read -r -p "Press any key when you are done installing $app "
	hdiutil detach "$(dirname "$app")"
}

# Looks in /Volumes and then moves the app it finds
# usage find_in_volume_copy_then_detach app [volumes]
find_in_volume_copy_then_detach() {
	if [[ ! $OSTYPE =~ darwin ]]; then return 0; fi
	if (($# < 1)); then return 1; fi
	local app
	app=$(find_in_volume "$@")
	if [[ -z $app ]]; then return 1; fi

	if [[ ! -e /Applications/$(basename "$app") ]]; then
		cp -r "$app" /Applications
	fi
	hdiutil detach "$(dirname "$app")"
}