$ git clone -n https://src.fedoraproject.org/rpms/gappa.git /var/lib/mock/f39-build-1463532-33437/root/chroot_tmpdir/scmroot/gappa
Cloning into '/var/lib/mock/f39-build-1463532-33437/root/chroot_tmpdir/scmroot/gappa'...
$ git fetch origin 76be015c68c3790611e2304a5b87c77cb11ea061:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gappa
 * [new ref]         76be015c68c3790611e2304a5b87c77cb11ea061 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76be015 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild