Prints release notes by scrubbing Git commit messages that use a "[PROJECT]-[TICKET]: message" format.

release-notes.bash

#!/bin/bash

# determine branch
GIT_BRANCH=$(git rev-parse --abbrev-ref HEAD)

# determine which commits you care about
if [ "$GIT_BRANCH" == "master" ]; then
  # get commits between "tip of master" and "last tagged release"
  LAST_TAG=$(git describe --tags $(git rev-list --tags --max-count=1))
  COMMITS=$(git log $LAST_TAG..master --pretty=format:"%h - %s (%an)")
else
  # get commits between "tip of this branch" and "master"
  COMMITS=$(git log master..HEAD --pretty=format:"%h - %s (%an)")
fi

# generate bulleted rows for unique commits (identified by [PROJECT]-[TICKET])
# this assumes that commits use a "[PROJECT]-[TICKET]: message" format
TICKET_ROWS=$(echo $COMMITS | grep -o 'PROJECT-[0-9]*' | awk '!a[$0]++' | awk 'NF{print "- [" $0 "](https://domain.atlassian.net/browse/" $0 "): [ADD_USER_FACING_SUMMARY]"}')

# print formatted release notes
echo "[ADD_RELEASE_IMAGE]

### What's New

$TICKET_ROWS"