#!/bin/bash

GIT_USERNAME="patternfly-build"

GH_REPO=${GITHUB_REPOSITORY}

REPO="github.com/${GH_REPO}"

echo "Preparing release environment..."

git config user.email "patternfly-build@redhat.com"

git config user.name ${GIT_USERNAME}

echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > ~/.npmrc

echo "Doing a release..."

# Lerna is complicated. Commands: https://github.com/lerna/lerna/tree/master/commands

# Identify packages that have been updated since the previous tagged release

# Update their versions and changelogs according to angular commit guidelines

# https://github.com/angular/angular/blob/master/CONTRIBUTING.md#commit

# Grab the log before lerna makes a commit

LOG=$(git log --format="%s" -1 | grep -Poe "#\d+")

PR_NUM=${LOG:1}

yarn run lerna publish prerelease --preid=prerelease --dist-tag=prerelease --yes 2>&1 | tee lerna-output.txt

# use lerna command below for dry run

#yarn run lerna version prerelease --preid=prerelease --yes --no-git-tag-version --no-push | tee lerna-output.txt

if grep -i "Successfully published" lerna-output.txt; # Leave a Github comment

then

if [ -n "${PR_NUM}" ]

then

# Use Issues api instead of PR api because

# PR api requires comments be made on specific files of specific commits

GH_PR_COMMENTS="https://api.github.com/repos/${GH_REPO}/issues/${PR_NUM}/comments"

COMMENT=$(git log --author="patternfly-build" -1 --pretty=%B | tail -n +2 | python -c 'import json,sys; print(json.dumps(sys.stdin.read()))' | cut -d '"' -f 2)

JSON="{\"body\":\"Your changes have been released in: ${COMMENT}Thanks for your contribution! :tada:\"}"

echo "Adding github PR comment ${GH_PR_COMMENTS} ${JSON}"

curl -H "Authorization: token ${GH_PR_TOKEN}" --request POST "${GH_PR_COMMENTS}" --data "${JSON}"

fi

elif grep -i "No changed packages to publish" lerna-output.txt;

then

echo "No changed packages to publish"

else

echo "Failed lerna publish"

exit 1

fi