From 787c998999eafd6767559b3bad9284fea621a4a1 Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Mon, 11 Oct 2010 13:07:10 +0200
Subject: Makefile: add "make_release" target to create a release in git

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
(cherry picked from commit 9707bb27251377dc41cf896251693000751cf90a)

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
 scripts/make_release.sh | 95 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100755 scripts/make_release.sh

diff --git a/scripts/make_release.sh b/scripts/make_release.sh
new file mode 100755
index 000000000..f0d435742
--- /dev/null
+++ b/scripts/make_release.sh
@@ -0,0 +1,95 @@
+#!/bin/bash
+
+set -e
+
+origin=origin
+v="ptxdist-"
+
+branch="$(git symbolic-ref HEAD)"
+branch="${branch##refs/heads/}"
+
+trap_exit_handler() {
+    if [ -n "${tmp}" -a -d "${tmp}" ]; then
+	rm -rf "${tmp}"
+    fi
+}
+trap 'trap_exit_handler' 0 1 15
+
+# Update index only on r/w media
+if [ -w . ]; then
+    git update-index --refresh --unmerged > /dev/null || true
+fi
+
+# Check for uncommitted changes
+if git diff-index --name-only HEAD \
+    | read dummy; then
+    echo "tree dirty, refusing to make a release" >&2
+    exit 1
+fi
+
+# guess if we're going to make a new or stable release
+case "${branch}" in
+    master)
+	release="${v}$(date +%Y.%m).0"
+	prev_release="${v}*.0"
+	;;
+    stable/*)
+	release="${branch##stable/}"
+	release="${release%.x}"
+	inc="$(git tag -l "${release}.*" | wc -l)"
+	if [ ${inc} -eq 0 ]; then
+	    echo "about to make stable a release for '${release}', but no '.0' found" >&2
+	    exit 1
+	fi
+	prev_release="${release}.$((inc - 1))"
+	release="${release}.${inc}"
+	;;
+    *)
+	echo "please checkout either master or stable branch" >&2
+	exit 1
+	;;
+esac
+
+# get previous release
+prev_release=( $(git tag -l "${prev_release}" | sort -r -n) )
+if [ -z "${prev_release}" ]; then
+    echo "previous release not found" >&2
+    exit 1
+fi
+
+# check if to-be-made release already exists
+if git rev-parse -q --verify "refs/tags/$release" >/dev/null 2>&1; then
+    echo "release '${release}' already exists" >&2
+    exit 1
+fi
+
+tmp="$(mktemp -d /tmp/${0##*/}.XXXXXX)"
+log="${tmp}/log"
+
+# create tag message
+printf "${release}\n\n" > "${log}"
+git shortlog "${prev_release}"..HEAD >> "${log}"
+echo "creating tag '${release}'"
+git tag -s -F "${log}" "${release}"
+
+# create tarball
+here="$(pwd)"
+pushd "${tmp}" >/dev/null
+git clone "${here}" "${release}"
+cd "${release}"
+git checkout "${release}"
+
+./autogen.sh
+./configure
+make
+make dist
+popd >/dev/null
+
+# now push to origin
+echo
+echo "pushing '${release}' to $origin, press '[Ctrl] + c' to abort"
+echo
+read
+git push "${origin}" "${branch}"
+git push "${origin}" "${release}"
+mv "${tmp}/${release}/"*tar.bz2* "${here}"
-- 
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