$ git clone -n https://src.fedoraproject.org/rpms/cryfs.git /var/lib/mock/f40-build-2276140-55131/root/chroot_tmpdir/scmroot/cryfs
Cloning into '/var/lib/mock/f40-build-2276140-55131/root/chroot_tmpdir/scmroot/cryfs'...
$ git fetch origin 5506106e4a771f18e5343e4db3f2b36a25a0a12a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cryfs
 * [new ref]         5506106e4a771f18e5343e4db3f2b36a25a0a12a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5506106 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild