Add scripts for automating parts of the release.

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

script/release/cherry-pick-pr

@@ -0,0 +1,28 @@
+#!/bin/bash
+#
+# Cherry-pick a PR into the release branch
+#
+
+set -e
+set -o pipefail
+
+
+function usage() {
+    >&2 cat << EOM
+Cherry-pick commits from a github pull request.
+
+Usage:
+
+    $0 <github PR number>
+EOM
+    exit 1
+}
+
+[ -n "$1" ] || usage
+
+
+REPO=docker/compose
+GITHUB=https://github.com/$REPO/pull
+PR=$1
+url="$GITHUB/$PR"
+hub am -3 $url

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

script/release/push-release

@@ -0,0 +1,71 @@
+#!/bin/bash
+#
+# Create the official release
+#
+
+set -e
+set -o pipefail
+
+. script/release/utils.sh
+
+function usage() {
+    >&2 cat << EOM
+Publish a release by building all artifacts and pushing them.
+
+This script requires that 'git config branch.${BRANCH}.release' is set to the
+release version for the release branch.
+
+EOM
+    exit 1
+}
+
+BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+VERSION="$(git config "branch.${BRANCH}.release")" || usage
+
+API=https://api.github.com/repos
+REPO=docker/compose
+GITHUB_REPO=git@github.com:$REPO
+
+# Check the build status is green
+sha=$(git rev-parse HEAD)
+url=$API/$REPO/statuses/$sha
+build_status=$(curl -s $url | jq -r '.[0].state')
+if [[ "$build_status" != "success" ]]; then
+    >&2 echo "Build status is $build_status, but it should be success."
+    exit -1
+fi
+
+
+# Build the binaries and sdists
+script/build-linux
+# TODO: build osx binary
+# script/prepare-osx
+# script/build-osx
+python setup.py sdist --formats=gztar,zip
+
+
+echo "Test those binaries! Exit the shell to continue."
+$SHELL
+
+
+echo "Tagging the release as $VERSION"
+git tag $VERSION
+git push $GITHUB_REPO $VERSION
+
+
+echo "Create a github release"
+# TODO: script more of this https://developer.github.com/v3/repos/releases/
+browser https://github.com/$REPO/releases/new
+
+echo "Uploading sdist to pypi"
+python setup.py sdist upload
+
+echo "Testing pip package"
+virtualenv venv-test
+source venv-test/bin/activate
+pip install docker-compose==$VERSION
+docker-compose version
+deactivate
+
+echo "Now publish the github release, and test the downloads."
+echo "Email maintainers@dockerproject.org and engineering@docker.com about the new release.

script/release/rebase-bump-commit

@@ -0,0 +1,39 @@
+#!/bin/bash
+#
+# Move the "bump to <version>" commit to the HEAD of the branch
+#
+
+set -e
+
+
+function usage() {
+    >&2 cat << EOM
+Move the "bump to <version>" commit to the HEAD of the branch
+
+This script requires that 'git config branch.${BRANCH}.release' is set to the
+release version for the release branch.
+
+EOM
+    exit 1
+}
+
+
+BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+VERSION="$(git config "branch.${BRANCH}.release")" || usage
+
+
+COMMIT_MSG="Bump $VERSION"
+sha=$(git log --grep $COMMIT_MSG --format="%H")
+if [ -z "$sha" ]; then
+    >&2 echo "No commit with message \"$COMMIT_MSG\""
+    exit 2
+fi
+if [[ "$sha" == "$(git rev-parse HEAD)" ]]; then
+    >&2 echo "Bump commit already at HEAD"
+    exit 0
+fi
+
+commits=$(git log --format="%H" HEAD..$sha | wc -l)
+
+git rebase --onto $sha~1 HEAD~$commits $BRANCH
+git cherry-pick $sha

script/release/utils.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+#
+# Util functions for release scritps
+#
+
+set -e
+
+
+function browser() {
+    local url=$1
+    xdg-open $url || open $url
+}
+
+
+function find_remote() {
+    local url=$1
+    for remote in $(git remote); do
+        git config --get remote.${remote}.url | grep $url > /dev/null && echo -n $remote
+    done
+}