CircleCI 特定のディレクトリに差分がなければJobを正常終了させる

code:yml

commands:

cancel-when-no-changes:

description: Cancel job when no changes on specified directory

parameters:

directory:

description: directory for running operations

type: string

steps:

- run:

name: Cancel Job when no changes

command: |

DIFF_COUNT=$(git --no-pager diff --name-only $CIRCLE_BRANCH origin/main -- << parameters.directory >> | wc -l)

echo 'No diffs. Finishing jobs...'

circleci-agent step halt

fi