Add scripts/release_helper.sh.

diff --git a/scripts/release_helper.sh b/scripts/release_helper.sh
new file mode 100755 (executable)
index 0000000..3e64a9c
--- /dev/null
+++ b/scripts/release_helper.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+# Filename:      scripts/release_helper.sh
+# Purpose:       helper script to build grml-live Debian packages (WFM style though)
+# Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
+# Bug-Reports:   see http://grml.org/bugs/
+# License:       This file is licensed under the GPL v2 or any later version.
+################################################################################
+
+set -e
+set -u
+
+debian_version=''
+script_version=''
+
+if git status --porcelain | grep -q '^?? '; then
+  printf "Uncommited changes in current working tree. Please commit/clean up.\n"
+  exit 1
+fi
+
+printf "Building debian/changelog: "
+git-dch --debian-branch="$(git branch | awk -F\*\  '/^* / { print $2}' )" \
+        --since=v$(dpkg-parsechangelog | awk '/^Version:/ {print $2}') \
+        --id-length=7 --meta --multimaint-merge -S
+printf "OK\n"
+
+$EDITOR debian/changelog
+
+debian_version="$(dpkg-parsechangelog | awk '/^Version:/ {print $2}')"
+
+dorelease="true"
+if echo "$debian_version" | grep -q '\.gbp' ; then
+  printf "Building snapshot version, not releasing.\n"
+  dorelease="false"
+fi
+
+printf "Updating GRML_LIVE_VERSION string in grml-live script: "
+sed -i "s/^GRML_LIVE_VERSION=.*/GRML_LIVE_VERSION='$debian_version'/" grml-live
+printf "OK\n"
+
+printf "Comparing versions of debian/changelog with grml-live version string: "
+script_version="$(awk -F= '/^GRML_LIVE_VERSION=/ {print $2}' grml-live | sed "s/'//g")"
+debian_version="$(dpkg-parsechangelog | awk '/^Version:/ {print $2}')"
+
+if [[ "$script_version" == "$debian_version" ]] ; then
+  printf "OK\n"
+else
+  printf "FAILED\n."
+  printf "Debian package version ($debian_version) does not match script version ($script_version).\n"
+  exit 1
+fi
+
+if $dorelease ; then
+  git add debian/changelog grml-live
+  git commit -s -m "Release new version ${debian_version}."
+fi
+
+printf "Building debian packages:\n"
+git-buildpackage --git-debian-branch="$(git branch | awk -F\*\  '/^* / { print $2}' )" --git-ignore-new
+printf "Finished execution of $(basename $0). Do not forget to tag release ${debian_version}\n"
+
+## END OF FILE #################################################################