tpm/scripts/update_plugin.sh

#!/usr/bin/env bash

# this script handles core logic of updating plugins

CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
HELPERS_DIR="$CURRENT_DIR/helpers"

source "$HELPERS_DIR/plugin_functions.sh"
source "$HELPERS_DIR/utility.sh"

if [[ "$1" == "--tmux-echo" ]]; then # tmux-specific echo functions
	source "$HELPERS_DIR/tmux_echo_functions.sh"
else # shell output functions
	source "$HELPERS_DIR/shell_echo_functions.sh"
fi

# from now on ignore first script argument
shift

pull_changes() {
	local plugin="$1"
	local plugin_path="$(plugin_path_helper "$plugin")"
	cd "$plugin_path" &&
		GIT_TERMINAL_PROMPT=0 git pull &&
		GIT_TERMINAL_PROMPT=0 git submodule update --init --recursive
}

update() {
	local plugin="$1"
	echo_ok "Updating \"$plugin\""
	$(pull_changes "$plugin" > /dev/null 2>&1) &&
		echo_ok "  \"$plugin\" update success" ||
		echo_err "  \"$plugin\" update fail"
}

update_all() {
	echo_ok "Updating all plugins!"
	echo_ok ""
	local plugins="$(tpm_plugins_list_helper)"
	for plugin in $plugins; do
		run_parallel_all() {
			local plugin_name="$(plugin_name_helper "$plugin")"
			# updating only installed plugins
			if plugin_already_installed "$plugin_name"; then
				update "$plugin_name"
			fi
		}
		run_parallel_all &
	done
	wait
}

update_plugins() {
	local plugins="$*"
	for plugin in $plugins; do
		run_parallel() {
			local plugin_name="$(plugin_name_helper "$plugin")"
			if plugin_already_installed "$plugin_name"; then
				update "$plugin_name"
			else
				echo_err "$plugin_name not installed!"
			fi
		}
		run_parallel &
	done
	wait
}

main() {
	if [[ "$1" == "all" ]]; then
		update_all
	else
		update_plugins "$*"
	fi
	exit_value_helper
}
main "$*"