$ git clone -n https://src.fedoraproject.org/rpms/perl-Unix-Groups-FFI.git /var/lib/mock/f39-build-1451758-32827/root/chroot_tmpdir/scmroot/perl-Unix-Groups-FFI
Cloning into '/var/lib/mock/f39-build-1451758-32827/root/chroot_tmpdir/scmroot/perl-Unix-Groups-FFI'...
$ git fetch origin 6bd602eae7e25a5433ccbbd924e7fa296dfc87f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Unix-Groups-FFI
 * [new ref]         6bd602eae7e25a5433ccbbd924e7fa296dfc87f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bd602e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild