From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Sat, 6 Nov 2010 17:35:19 +0000 (+0000)
Subject: git-revid: add a "+" if working tree not equal to HEAD
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=78b7ba5bbbd26069b37a90be5776f4b9ca16782b;p=trains.git

git-revid: add a "+" if working tree not equal to HEAD
---

diff --git a/.git-revid b/.git-revid
index 2cd3d8c..f4d7770 100755
--- a/.git-revid
+++ b/.git-revid
@@ -3,4 +3,13 @@ set -e
 set -o pipefail
 desc=`git-describe --always HEAD`
 log=`git-log -1 --pretty='format:%h %ci %s' HEAD`
-printf '%.71s\n' "$desc $log"
+set +e
+git-diff --quiet HEAD
+diffrc=$?
+set -e
+case $diffrc in
+0)	;;
+1)	diffplus=+ ;;
+*)	exit $diffrc ;;
+esac
+printf '%.71s\n' "$desc$diffplus $log"