The default value for a merge commit message. - PR_TITLE - default to the pull request’s title. - PR_BODY - default to the pull request’s body. - BLANK - default to a blank commit message.
The default value for a merge commit title. - PR_TITLE - default to the pull request’s title. - MERGE_MESSAGE - default to the classic title for a merge message (e.g., Merge pull request #123 from branch-name).
The default value for a squash merge commit message: - PR_BODY - default to the pull request’s body. - COMMIT_MESSAGES - default to the branch’s commit messages. - BLANK - default to a blank commit message.
The default value for a squash merge commit title: - PR_TITLE - default to the pull request’s title. - COMMIT_OR_PR_TITLE - default to the commit’s title (if only one commit) or the pull request’s title (when more than one commit).