$ git clone -n https://src.fedoraproject.org/rpms/micronucleus.git /var/lib/mock/f39-build-1493013-34535/root/chroot_tmpdir/scmroot/micronucleus
Cloning into '/var/lib/mock/f39-build-1493013-34535/root/chroot_tmpdir/scmroot/micronucleus'...
$ git fetch origin 79001d2700e8ea4e692f566c1a596ea271da7f58:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/micronucleus
 * [new ref]         79001d2700e8ea4e692f566c1a596ea271da7f58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79001d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild