Add scripts for automating parts of the release.

Signed-off-by: Daniel Nephin <dnephin@docker.com>

script/release/make-branch

@@ -0,0 +1,96 @@
+#!/bin/bash
+#
+# Prepare a new release branch
+#
+
+set -e
+set -o pipefail
+
+. script/release/utils.sh
+
+REPO=git@github.com:docker/compose
+
+
+function usage() {
+    >&2 cat << EOM
+Create a new release branch `release-<version>`
+
+Usage:
+
+    $0 <version> [<base_version>]
+
+Options:
+
+    version        version string for the release (ex: 1.6.0)
+    base_version   branch or tag to start from. Defaults to master. For
+                   bug-fix releases use the previous stage release tag.
+
+EOM
+    exit 1
+}
+
+[ -n "$1" ] || usage
+VERSION=$1
+BRANCH=bump-$VERSION
+
+if [ -z "$2" ]; then
+    BASE_VERSION="master"
+else
+    BASE_VERSION=$2
+fi
+
+
+DEFAULT_REMOTE=release
+REMOTE=$(find_remote $REPO)
+# If we don't have a docker origin add one
+if [ -z "$REMOTE" ]; then
+    echo "Creating $DEFAULT_REMOTE remote"
+    git remote add ${DEFAULT_REMOTE} ${REPO} 
+fi
+
+# handle the difference between a branch and a tag
+if [ -z "$(git name-rev $BASE_VERSION | grep tags)" ]; then
+    BASE_VERSION=$REMOTE/$BASE_VERSION
+fi
+
+echo "Creating a release branch $VERSION from $BASE_VERSION"
+read -n1 -r -p "Continue? (ctrl+c to cancel)"
+git fetch $REMOTE -p
+git checkout -b $BRANCH $BASE_VERSION
+
+
+# Store the release version for this branch in git, so that other release
+# scripts can use it
+git config "branch.${BRANCH}.release" $VERSION
+
+
+echo "Update versions in docs/install.md and compose/__init__.py"
+# TODO: automate this
+$EDITOR docs/install.md
+$EDITOR compose/__init__.py
+
+
+echo "Write release notes in CHANGELOG.md"
+browser "https://github.com/docker/compose/issues?q=milestone%3A$VERSION+is%3Aclosed"
+$EDITOR CHANGELOG.md
+
+
+echo "Verify changes before commit. Exit the shell to commit changes"
+git diff
+$SHELL
+git commit -a -m "Bump $VERSION" --signoff
+
+
+echo "Push branch to user remote"
+GITHUB_USER=$USER
+USER_REMOTE=$(find_remote $GITHUB_USER/compose)
+if [ -z "$USER_REMOTE" ]; then
+    echo "No user remote found for $GITHUB_USER"
+    read -n1 -r -p "Enter the name of your github user: " GITHUB_USER
+    # assumes there is already a user remote somewhere
+    USER_REMOTE=$(find_remote $GITHUB_USER/compose)
+fi
+
+
+git push $USER_REMOTE
+browser https://github.com/docker/compose/compare/docker:release...$GITHUB_USER:$BRANCH?expand=1