$ git clone -n https://src.fedoraproject.org/rpms/yaz.git /var/lib/mock/f41-build-854514-166886/root/chroot_tmpdir/scmroot/yaz
Cloning into '/var/lib/mock/f41-build-854514-166886/root/chroot_tmpdir/scmroot/yaz'...
$ git fetch origin c162b9ea4aec6a52296e4a82d624431aa1b841a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yaz
 * [new ref]         c162b9ea4aec6a52296e4a82d624431aa1b841a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c162b9e 5.34.2