$ git clone -n https://src.fedoraproject.org/rpms/gprbuild.git /var/lib/mock/f41-build-855798-167429/root/chroot_tmpdir/scmroot/gprbuild
Cloning into '/var/lib/mock/f41-build-855798-167429/root/chroot_tmpdir/scmroot/gprbuild'...
$ git fetch origin ce6ceaf3889eba82ac865230796992d8693c4f7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gprbuild
 * [new ref]         ce6ceaf3889eba82ac865230796992d8693c4f7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce6ceaf Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild