repo_manager.py 文件源码

def set_commit_id(self, commit_id=None):
        """Checks out the commit id for the repo
        """
        checkout_id = commit_id if commit_id else self.branch

        # Already checked out
        if self.prev_commit == checkout_id:
            return True

        cmd = "git checkout {0}".format(checkout_id)
        output, rc = self.run_command(cmd)

        if rc > 0:
            # Corrupted checkout state, try to recover
            logger.warn("Possible corrupted checkout state", desc="Problem with checkout", error=output,
                        commit_id=checkout_id, path=self.paths['repo_path'],
                        cmd=cmd, track=self.track)

            # Want to guarantee that the branch is completely reset.
            git_reset_output, rc = self.run_command("git reset --hard {0}".format(checkout_id)) #pylint: disable=unused-variable

            if rc < 1:
                # Clean up git so there are no untracked files.
                self.run_command("git clean -fd")

        if rc > 0:
            logger.errorout("set_commit_id", desc="Problem setting commit id", error=output,
                            commit_id=checkout_id, path=self.paths['repo_path'],
                            cmd=cmd, track=self.track)

        self.prev_commit = checkout_id

        return True