$ git clone -n https://src.fedoraproject.org/rpms/gkermit.git /var/lib/mock/f42-build-887676-188328/root/chroot_tmpdir/scmroot/gkermit
Cloning into '/var/lib/mock/f42-build-887676-188328/root/chroot_tmpdir/scmroot/gkermit'...
$ git fetch origin a0006ed7323eae5b99f5d9b24504e70f8dde7aa2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gkermit
 * [new ref]         a0006ed7323eae5b99f5d9b24504e70f8dde7aa2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0006ed Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild