applications/storybook/scripts/changelog.sh

   1 #!/usr/bin/env bash
   2 set -eo pipefail
   3
   4 git fetch origin main:main
   5 git checkout main
   6
   7 # PARENT_DIR relative to location of script of file system
   8 PARENT_DIR="$(dirname "${BASH_SOURCE[0]}")"
   9
  10 cd "$PARENT_DIR"/..
  11
  12 # Notice the "." at the end
  13 # We're taking the latest merge commit that affected the current directory
  14 # We're skipping one of the merge commits since this script is intended to
  15 # trigger on a merge into the main branch and we don't want to compare with
  16 # the commit that triggered the script to run in the first place.
  17 LATEST_MERGE_COMMIT="$(git log --full-history --skip 1 --merges -n 1 --pretty=format:%H .)"
  18
  19 echo "SHA of latest merge commit: $LATEST_MERGE_COMMIT"
  20
  21 DIFF="$(git diff "$LATEST_MERGE_COMMIT" HEAD CHANGELOG.md || true)"
  22
  23 if ! [[  "$DIFF" =~ ^diff ]]; then
  24     echo "No new changelog diffs between latest merge commit and now"
  25     exit 0
  26 fi
  27
  28 TEXT="$(git diff "$LATEST_MERGE_COMMIT" HEAD CHANGELOG.md | grep -E "^\+" | sed -e 's/^\+//' | tail -n +2 | node scripts/format)"
  29
  30 echo "Changelog contains new entries \n\n$TEXT"
  31
  32 curl -X POST -H 'Content-type: application/json' --data "{ \"text\": $TEXT }" "${SLACK_WEBHOOK_URL}"