Release snapd prototype automated script

do-release.sh

#!/bin/bash -e

# TODO: programatically figure these out
PREV_VERSION=2.51.6
NEW_VERSION=2.51.7
MAJOR_VERSION=2.51
IS_MINOR=1


RELEASE_BRANCH=release/$MAJOR_VERSION
BETA_RELEASE_BRANCH=beta/$MAJOR_VERSION

PERSONAL_FORK=ijohnson
LP_SRU_BUG=1929842


# checkout the release branch
git checkout "$RELEASE_BRANCH"

# generate the changelog

./snappy-dch.py "$PREV_VERSION" > "$NEW_VERSION-changelog.txt"

# edit the changelog as necessary

# TODO: figure out the LP bug automatically
# it's either the same LP bug for the previous release if this is a new minor 
# version, or it's a new bug we have to file if this is a new major version

# do the packaging changes
./changelog.py "$NEW_VERSION" "$LP_SRU_BUG" "$NEW_VERSION-changelog.txt"

# TODO: double check that the right files are changed

# TODO: make a new branch and commit the packaging changes

# TODO: open a PR with the changelog available

# TODO: wait for that PR to be merged

# now that it's merged we can tag the release and push the tag
git tag -s "$NEW_VERSION"

# push the tag to origin
git push origin "$NEW_VERSION"

if [ "$IS_MINOR" = "1" ]; then
    # TODO: trigger the code import for the LP release branch to trigger the 
    # snapd snap to start building using LP API
    true
else
    # TODO: create a new snap build recipe for the snapd snap using LP API
    true

    # TODO: create a new snap build recipe for the core snap using LP API
fi

# install package dependencies
sudo apt build-dep -y .

# build the package
gbp buildpackage -S --git-ignore-branch --git-no-purge --git-ignore-new

pushd ../build-area > /dev/null

# now push the source package
dput ppa:snappy-dev/image "snapd_${NEW_VERSION}_source.changes"

# generate the vendor tarballs for the github release page
../snapd/release-tools/repack-debian-tarball.sh "./snapd_$NEW_VERSION.tar.xz"

# build the focal version of the xenial package
pushd "snapd-$NEW_VERSION" > /dev/null

# change the packaging for focal to build the xenial source pkg
sed -i '0,/xenial/s//focal/' ./packaging/ubuntu-16.04/changelog
sed -i "0,/${NEW_VERSION}/s//${NEW_VERSION}+20.04/" ./packaging/ubuntu-16.04/changelog
dpkg-buildpackage -S

popd > /dev/null

# now push the focal source package
dput ppa:snappy-dev/image "snapd_${NEW_VERSION}+20.04_source.changes"

popd > /dev/null

# TODO: wait for the launchpad deb builds of snapd for focal and xenial to be
# successful, notify / retry as necessary if they fail

# TODO: trigger the beta core snap build after the deb builds are successful

# TODO: create the github release page and attach the vendor tarballs to the 
# release

# wait until snapd snapd is built to the appropriate release branch off beta
# TODO: do this in a background thread or something
until [ "$(snapcraft status snapd | grep $BETA_RELEASE_BRANCH | awk '{print $2}' | sort | uniq)" = "$NEW_VERSION" ]; do
    sleep 60
    echo "waiting for snapd snap to be published to beta release branch"
done

# snapd snap is now built into $BETA_RELEASE_BRANCH, we can promote it to beta 
# directly
# TODO: snapcraft complains that snapcraft promote is not ready for CLI usage yet :-/
# TODO: there's a --yes option here, don't use it yet
snapcraft promote snapd --from-channel="$BETA_RELEASE_BRANCH" --to-channel=beta

# TODO: also need to check on the core snap getting stuck in the review queue

# the core snap also builds into a $BETA_RELEASE_BRANCH branch
until [ "$(snapcraft status core | grep $BETA_RELEASE_BRANCH | awk '{print $2}' | sort | uniq)" = "$NEW_VERSION" ]; do
    sleep 60
    echo "waiting for core snap to be published to beta release branch"
done

snapcraft promote core --from-channel="$BETA_RELEASE_BRANCH" --to-channel=beta


# create a new branch merging the changelog from the release/ branch back to 
# master
git checkout master
git checkout -b release-${NEW_VERSION}-changelog
git merge ${RELEASE_BRANCH}

# TODO: double check that the right files are changed
git push release-${NEW_VERSION}-changelog $PERSONAL_FORK

# TODO: create a new PR to master with the release branch changelog changes