Initial commit

bin/project_rollback

@@ -0,0 +1,46 @@
+#!/bin/bash
+########################################################################
+# 2014-09-07 Lukas Bestle mail@lukasbestle.com
+########################################################################
+# Reverses a deployable project to the last version.
+#
+# Usage: project_rollback <project>
+#        
+#        <project>	Path to the project
+########################################################################
+
+project="$1"
+
+if [[ -z "$project" ]]; then
+	# Print help
+	echo -e "\033[1mUsage:\033[0m \033[34mproject_rollback\033[0m <project>"
+	exit 1
+fi
+
+# Check if the project exists
+if [[ ! -f "$project/.project" ]]; then
+	echo -e "\033[31mThe project \033[34m$project\033[31m does not exist or is invalid.\033[0m" >&2
+	exit 1
+fi
+
+# Check if the project is deployable
+if [[ ! -f "$project/.origin" ]]; then
+	echo -e "\033[31mThe project \033[34m$project\033[31m is not deployable and therefore can't be rolled back.\033[0m" >&2
+	exit 1
+fi
+
+# Check if the project currently has a last version
+if [[ ! -e "$project/last" ]]; then
+	echo -e "\033[31mThe project \033[34m$project\033[31m currently does not have a last version.\033[0m" >&2
+	echo -e "\033[31mProbably, it has already been rolled back since the latest deployment.\033[0m" >&2
+	exit 1
+fi
+
+echo -e "\033[1mRolling project \033[34m$project\033[0;1m back to last version...\033[0m"
+if rm -f "$project/current" && mv "$project/last" "$project/current"; then
+	echo -e " => \033[32mSuccess.\033[0m"
+	exit 0
+else
+	echo -e " => \033[31mSomething went wrong.\033[0m" >&2
+	exit 1
+fi