Scripted version bump + release branch creation

create_version_branch.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+# See VERSIONING.md for an explanation.
+
+set -e
+RELEASE_VERSION="$1"
+NEXT_DEV_VERSION="$2"
+
+if [ -z "$RELEASE_VERSION" ]; then
+    echo "Usage: $0 release-version [next-dev-version]" >&2
+    exit 1
+fi
+
+if [ "${KERNEL_NAME}" == "Darwin" ]; then
+  SCRIPT=$(realpath $0)
+else
+  SCRIPT=$(readlink -f $0)
+fi
+SCRIPTPATH=`dirname $SCRIPT`
+CURRENT_VERSION=`PYTHONPATH=${SCRIPTPATH} python3 -m benchmark.version`
+
+if [ -z "$NEXT_DEV_VERSION" ]; then
+    NEXT_DEV_VERSION=`PYTHONPATH=${SCRIPTPATH} python3 <<EOT
+import benchmark.version
+print(benchmark.version.next_dev_version('${RELEASE_VERSION}'))
+EOT`
+else
+    if [[ "$NEXT_DEV_VERSION" != *.dev0 ]]; then
+        echo "The next development version MUST end in .dev0, e.g. '1.0.dev0'" >&2
+        exit 2
+    fi
+fi
+
+RELEASE_BRANCH="release-$RELEASE_VERSION"
+
+echo "Current version    : $CURRENT_VERSION"
+echo "To be released     : $RELEASE_VERSION in branch $RELEASE_BRANCH"
+echo "Next master version: $NEXT_DEV_VERSION"
+
+GIT=`which git`
+if [ -z "${GIT}" ]; then
+  echo "ERROR: Git is not found, can not continue."
+  exit 1
+fi
+
+GIT_C="${GIT} -C ${SCRIPTPATH}"
+if [ $(${GIT_C} rev-parse --abbrev-ref HEAD) != "master" ]; then
+    echo "You are NOT on the master branch, refusing to run." >&2
+    exit 3
+fi
+
+echo
+echo "Press [ENTER] to create version commits and the release branch."
+if [ -z "$2" ]; then
+    echo "If you don't like the auto-generated next dev version, pass it on the CLI."
+fi
+read dummy
+
+echo "Creating branch $RELEASE_BRANCH"
+${GIT_C} checkout master -b ${RELEASE_BRANCH}
+sed -i'' "s/^version = '.*'/version = '$RELEASE_VERSION'/" benchmark/version.py
+${GIT_C} commit -m "Bumped version to $RELEASE_VERSION" benchmark/version.py
+
+echo "Bumping version to $NEXT_DEV_VERSION in master branch"
+${GIT_C} checkout master
+sed -i'' "s/^version = '.*'/version = '$NEXT_DEV_VERSION'/" benchmark/version.py
+${GIT_C} commit -m "Bumped version to $NEXT_DEV_VERSION" benchmark/version.py
+
+echo "Checking out branch $RELEASE_BRANCH for bundling"
+${GIT_C} checkout ${RELEASE_BRANCH}
+
+echo "Done. Please investigate and push both master and $RELEASE_BRANCH branches:"
+echo
+echo "git push origin $RELEASE_BRANCH"
+echo "git co master && git push origin master"