From 7edb115b86d024b5ea2dd88d56564a3c261cf07d Mon Sep 17 00:00:00 2001
From: Alexander Wirt <formorer@grml.org>
Date: Wed, 23 Nov 2011 14:13:30 +0100
Subject: [PATCH] Allow generating source in git from tags

---
 scripts/generate-git-snapshot | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/scripts/generate-git-snapshot b/scripts/generate-git-snapshot
index ad96d20..668b0c8 100755
--- a/scripts/generate-git-snapshot
+++ b/scripts/generate-git-snapshot
@@ -104,6 +104,18 @@ if [ "${1:-}" = "auto" ] ; then
 elif [ -r debian/gbp.conf ] ; then
   echo "Found debian/gbp.conf, using git-dch with auto mode."
   git_dch_auto
+elif [ -n "${tag:-}" ] ; then
+  echo "Tag parameter found, don't generate changelog"
+  git checkout ${tag}
+  VERSION="$(parsechangelog -c 1 | awk '/Version/ {print $2}')"             
+  if [ -n "${distribution}" ] ; then
+    echo "Distribution found. Add distribution specific version"
+    dch -b -v "${VERSION}~${distribution}+${BUILD_NUMBER}" \
+      "Auto Build for ${distribution}"
+  else
+    dch -v "${VERSION}+${BUILD_NUMBER}" \
+      "Auto build from jenkins"
+  fi
 else
   echo "Trying to identify latest tag / merge..."