From 4272f47b043f7b460066cc2198eba6f75227e43c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <gentoo@mgorny.alt.pl>
Date: Mon, 12 Jul 2010 10:32:18 +0200
Subject: [PATCH] Support --help, --version and --changelog.

---
 sunrise-commit | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/sunrise-commit b/sunrise-commit
index 8dc303b..1396f94 100755
--- a/sunrise-commit
+++ b/sunrise-commit
@@ -102,6 +102,20 @@ vcs_status() {
 	fi
 }
 
+print_help() {
+	cat <<_EOH_
+Synopsis:
+	sunrise-commit [options] [--] <commit message>
+
+Options:
+	-?, -h, --help		print this message,
+	-V, --version		print version string,
+
+	-c, --changelog		backwards compat (ignored),
+	-v, --verbose		enable verbose output.
+_EOH_
+}
+
 # Guess what!
 main() {
 	local commitmsg
@@ -109,9 +123,22 @@ main() {
 
 	while [ ${#} -gt 0 ]; do
 		case "${1}" in
+			--help|-?|-h)
+				print_help
+				exit 0
+				;;
+			--version|-V)
+				echo 'sunrise-commit 1.0'
+				exit 0
+				;;
+
+			-c|--changelog)
+				# Now changelog entries are implicit -- backwards compat.
+				;;
 			-v|--verbose)
 				SC_VERBOSE=1
 				;;
+
 			--)
 				shift
 				commitmsg="${commitmsg+${commitmsg} }${@}"