$ git clone -n https://src.fedoraproject.org/rpms/clblast.git /var/lib/mock/f42-build-3340326-44984/root/chroot_tmpdir/scmroot/clblast
Cloning into '/var/lib/mock/f42-build-3340326-44984/root/chroot_tmpdir/scmroot/clblast'...
$ git fetch origin 4e223f6ba5201440d70dd0dd0b57484d14da37c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clblast
 * [new ref]         4e223f6ba5201440d70dd0dd0b57484d14da37c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e223f6 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild