$ git clone -n https://src.fedoraproject.org/rpms/mate-menu.git /var/lib/mock/f41-build-side-1-2751942-31145/root/chroot_tmpdir/scmroot/mate-menu
Cloning into '/var/lib/mock/f41-build-side-1-2751942-31145/root/chroot_tmpdir/scmroot/mate-menu'...
$ git fetch origin 12ed1e8c28486dd0b4a36048bcc0fa60b9a507bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mate-menu
 * [new ref]         12ed1e8c28486dd0b4a36048bcc0fa60b9a507bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12ed1e8 convert license to SPDX