$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-autpgrp.git /var/lib/mock/f40-build-2687278-68090/root/chroot_tmpdir/scmroot/gap-pkg-autpgrp
Cloning into '/var/lib/mock/f40-build-2687278-68090/root/chroot_tmpdir/scmroot/gap-pkg-autpgrp'...
$ git fetch origin bae168fc1fd1589c1ffba7e8b72fb8a3788720a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-autpgrp
 * [new ref]         bae168fc1fd1589c1ffba7e8b72fb8a3788720a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bae168f Rebuild for gap 4.13.0