Provide a "pre-process" hook for to-master #151
Description
It would be very useful to provide a way to hook into the to-master lifecycle, before attempting to push to a central repository.
Examples, depending on your workflow:
- Verify commit messages have an issue id
- Verify there's no -SNAPSHOT versions
- Verify the last commit has a "Signed-off-by:" message
It would make sense that it can look in certain default locations, such as .git-pre-to-master in the root of the repository for project-specific validations, and .git/hooks/pre-to-master for "traditional" hook functionality.