$ git clone -n https://src.fedoraproject.org/rpms/sil-gentium-basic-fonts.git /var/lib/mock/f39-build-1696880-41181/root/chroot_tmpdir/scmroot/sil-gentium-basic-fonts
Cloning into '/var/lib/mock/f39-build-1696880-41181/root/chroot_tmpdir/scmroot/sil-gentium-basic-fonts'...
$ git fetch origin 1e73bbd771ba4e6a12997876a6a08a13912a6339:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sil-gentium-basic-fonts
 * [new ref]         1e73bbd771ba4e6a12997876a6a08a13912a6339 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e73bbd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild