Method update

tc_build/source.py:143–158

(self, ref: str)

        return True

    def update(self, ref: str) -> None:
        tc_build.utils.print_header(f"Updating {self._pretty_name}")

        self.git(['fetch', 'origin'])

        if self.is_shallow() and not self.ref_exists(ref):
            msg = f"Repo is shallow and supplied ref ('{ref}') does not exist!"
            raise RuntimeError(msg)

        self.git(['checkout', ref])

        local_ref = None
        with contextlib.suppress(subprocess.CalledProcessError):
            local_ref = self.git_capture(['symbolic-ref', '-q', 'HEAD'])
        if local_ref and local_ref.startswith('refs/heads/'):
            self.git(['pull', '--rebase', 'origin', local_ref.replace('refs/heads/', '')])