$ git clone -n https://src.fedoraproject.org/rpms/libgravatar.git /var/lib/mock/f40-build-1937279-25150/root/chroot_tmpdir/scmroot/libgravatar
Cloning into '/var/lib/mock/f40-build-1937279-25150/root/chroot_tmpdir/scmroot/libgravatar'...
$ git fetch origin a0739a6b6899fc497ebd9ac9091273b25be0b579:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgravatar
 * [new ref]         a0739a6b6899fc497ebd9ac9091273b25be0b579 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0739a6 24.05.2