update_plugin script

scripts/update_plugin.sh

@@ -1,34 +1,74 @@
 #!/usr/bin/env bash
 
-# when invoked with `prefix + U` this script:
-# - shows a list of installed plugins
-# - starts a prompt to enter the name of the plugin that will be updated
-
 CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 source "$CURRENT_DIR/shared_functions.sh"
 
-display_plugin_update_list() {
+empty() {
+	[ -z "$1" ]
+}
+
+if_all() {
+	[ "$1" == "all" ]
+}
+
+cancel() {
+	exit 0
+}
+
+pull_changes() {
+	local plugin="$1"
+	local plugin_path=$(shared_plugin_path "$plugin")
+	cd $plugin_path &&
+		git pull &&
+		git submodule update --init --recursive
+}
+
+update() {
+	local plugin="$1"
+	echo_message "Updating \"$plugin\""
+	$(pull_changes "$plugin" > /dev/null 2>&1) &&
+		echo_message "  \"$plugin\" update success" ||
+		echo_message "  \"$plugin\" update fail"
+}
+
+
+update_all() {
 	local plugins="$(shared_get_tpm_plugins_list)"
 	for plugin in $plugins; do
-		# displaying only installed plugins
-		if plugin_already_cloned "$plugin"; then
-			echo_message "$plugin"
+		local plugin_name="$(shared_plugin_name "$plugin")"
+		# updating only installed plugins
+		if plugin_already_installed "$plugin_name"; then
+			update "$plugin_name"
 		fi
 	done
 }
 
-update_plugin_prompt() {
-	tmux command-prompt -p 'plugin update:' " \
-		send-keys C-m; \
-		run-shell '$CURRENT_DIR/update_plugin.sh %1'"
-}
+handle_plugin_update() {
+	local arg="$1"
 
+	if empty "$arg"; then
+		cancel
+
+	elif if_all "$arg"; then
+		echo_message "Updating all plugins!"
+		echo_message ""
+		update_all
+
+	elif plugin_already_installed "$arg"; then
+		update "$arg"
+
+	else
+		display_message "It seems this plugin is not installed: $arg"
+		cancel
+	fi
+}
 
 main() {
-	reload_tmux_environment
+	local arg="$1"
 	shared_set_tpm_path_constant
-	display_plugin_update_list
-	update_plugin_prompt
+	handle_plugin_update "$arg"
+	reload_tmux_environment
+	end_message
 }
-main
+main "$1"