$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Unit-Lite.git /var/lib/mock/f39-build-1435229-31979/root/chroot_tmpdir/scmroot/perl-Test-Unit-Lite
Cloning into '/var/lib/mock/f39-build-1435229-31979/root/chroot_tmpdir/scmroot/perl-Test-Unit-Lite'...
$ git fetch origin b3f3ed09a1bb5e991e36172c1b8ac05d7aa49891:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Unit-Lite
 * [new ref]         b3f3ed09a1bb5e991e36172c1b8ac05d7aa49891 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3f3ed0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild