Add script to tag a commit for building RC

release/src/main/scripts/choose_rc_commit.sh

@@ -0,0 +1,123 @@
+#!/bin/bash
+#
+#    Licensed to the Apache Software Foundation (ASF) under one or more
+#    contributor license agreements.  See the NOTICE file distributed with
+#    this work for additional information regarding copyright ownership.
+#    The ASF licenses this file to You under the Apache License, Version 2.0
+#    (the "License"); you may not use this file except in compliance with
+#    the License.  You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+#
+
+# This script choose a commit to be the basis of a release candidate
+# and pushed a new tagged commit for that RC.
+
+set -e
+
+function usage() {
+  echo 'Usage: choose_rc_commit.sh --release <version> --rc <rc> --commit <commit> [--debug] [--clone] [--push-tag]'
+}
+
+RELEASE=
+RC=
+COMMIT=
+PUSH_TAG=no
+CLONE=no
+DEBUG=
+[email protected]:apache/beam
+
+while [[ $# -gt 0 ]] ; do
+  arg="$1"
+
+  case $arg in
+      --release)
+      shift
+      RELEASE=$1
+      shift
+      ;;
+
+      --rc)
+      shift
+      RC=$1
+      shift
+      ;;
+
+      --commit)
+      shift
+      COMMIT=$1
+      shift
+      ;;
+
+      --debug)
+      DEBUG=--debug
+      set -x
+      shift
+      ;;
+
+      --push-tag)
+      PUSH_TAG=yes
+      shift
+      ;;
+
+      --clone)
+      CLONE=yes
+      shift
+      ;;
+
+      *)
+      usage
+      exit 1
+      ;;
+   esac
+done
+
+if [[ -z "$RELEASE" ]] ; then
+  echo 'No release version supplied.'
+  usage
+  exit 1
+fi
+
+if [[ -z "$RC" ]] ; then
+  echo 'No RC number supplied'
+  usage
+  exit 1
+fi
+
+if [[ -z "$COMMIT" ]] ; then
+  echo 'No commit hash supplied.'
+  usage
+  exit 1
+fi
+
+SCRIPT_DIR=$(dirname $0)
+
+RC_TAG="v${RELEASE}-RC${RC}"
+
+if [[ "$CLONE" == yes ]] ; then
+  CLONE_DIR=`mktemp -d`
+  git clone "$GIT_REPO" "$CLONE_DIR" --single-branch --branch "release-$RELEASE" --shallow-exclude master
+else
+  echo "Not cloning repo; assuming working dir is the desired repo. To run with a fresh clone, run with --clone."
+  CLONE_DIR=$PWD
+fi
+
+{
+  cd "$CLONE_DIR"
+  bash "$SCRIPT_DIR/set_version.sh" "${RELEASE}" --release --git-add $DEBUG
+  git checkout --quiet "$COMMIT" # suppress warning about detached HEAD: we want it detached so we do not edit the branch
+  git commit -m "Set version for ${RELEASE} RC${RC}"
+  git tag -a -m "$RC_TAG" "$RC_TAG" HEAD
+
+  if [[ "$PUSH_TAG" == yes ]] ; then
+    git push --follow-tags origin "$RC_TAG"
+  else 
+    echo "Not pushing tag $RC_TAG. You can push it manually or run with --push-tag."
+  fi
+}