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from webkitpy.tool.steps.abstractstep import AbstractStep
from webkitpy.tool.steps.options import Options


class Commit(AbstractStep):
    @classmethod
    def options(cls):
        return AbstractStep.options() + [
            Options.git_commit,
            Options.no_squash,
            Options.squash,
        ]

    def run(self, state):
        commit_message = self._tool.checkout().commit_message_for_this_commit(self._options.git_commit, self._options.squash)
        if len(commit_message.message()) < 50:
            raise Exception("Attempted to commit with a commit message shorter than 50 characters.  Either your patch is missing a ChangeLog or webkit-patch may have a bug.")
        state["commit_text"] = self._tool.scm().commit_with_message(commit_message.message(),
            git_commit=self._options.git_commit, squash=self._options.squash)