release_module

#!/bin/bash -e

die() {
  echo $* >&2
  exit 1
}

if [ $# -ne 2 -o x$1 = "x-h" -o x$1 = "x--help" ]; then
  echo "usage: $0 <module name> <version>"
  echo
  echo "  update CHANGELOG.md before running this script and git add or commit it"
  echo "  only local changes will be made, no git pushes"
  echo
  die "incorrect arguments supplied"
fi

MODULE=$1
VERSION=$2

test -d modules/$MODULE || die "no such module $MODULE"
test -e modules/$MODULE/CHANGELOG.md || die "no CHANGELOG.md found in $MODULE"
test -e modules/$MODULE/Modulefile || test -e modules/$MODULE/metadata.json || die "no Modulefile/metadata.json found in $MODULE"
if test -e modules/$MODULE/Modulefile; then
  grep -q '^version' modules/$MODULE/Modulefile || die "no version found in Modulefile"
else
  grep -q '"version":' modules/$MODULE/metadata.json || die "no version found in metadata.json"
fi
grep -xq "## ${VERSION}" modules/$MODULE/CHANGELOG.md || die "no '## ${VERSION}' found in CHANGELOG.  Do this first, and add to your index or commit it."
(cd modules/$MODULE && git rev-parse $VERSION >/dev/null 2>&1) && die "tag for ${VERSION} already exists"
branch=$(cd modules/$MODULE && git rev-parse --abbrev-ref HEAD)
[[ x${branch} = xmaster || ${branch} =~ ^[0-9.]+-stable$ ]] || die "$MODULE isn't on master or stable branch"
(cd modules/$MODULE && [ x$(git diff --shortstat -- CHANGELOG.md | wc -l) = x0 ] ) || die "CHANGELOG.md isn't in the git index or committed"
[[ "$VERSION" =~ ^[0-9\.]+$ ]] || die "invalid version number"
type puppet >/dev/null 2>&1 || die "puppet not installed"

TMPDIR=$(mktemp -d)
trap "rm -rf $TMPDIR" EXIT ERR

pushd modules/$MODULE >/dev/null
if test -e Modulefile; then
  sed -i "/^version/ s/ .*/ '${VERSION}'/" Modulefile
  git add Modulefile
else
  sed -i "/\"version\"/ s/\"[0-9\.]\+\"/\"${VERSION}\"/" metadata.json
  git add metadata.json
fi
git ci -m "Release ${VERSION}"
git tag -m "Release ${VERSION}" $VERSION
git archive $VERSION | (cd $TMPDIR && tar -xf -)
popd >/dev/null

# Use a clean copy, as p-m-build isn't good at ignoring files
puppet module build $TMPDIR
PKGS=$(cd $TMPDIR/pkg && echo *.tar.gz)
cp -a $TMPDIR/pkg/* pkg/

echo
echo Built pkg/$PKGS
echo
echo 'Next steps:'
echo "  1. (cd modules/${MODULE} && git push origin && git push origin ${VERSION})"
echo "  2. visit http://forge.puppetlabs.com/theforeman/${MODULE} and log in"
echo "  3. click Upload a New Release, and upload $(pwd)/pkg/$PKGS"