$ git clone -n https://src.fedoraproject.org/rpms/perl-Parallel-Iterator.git /var/lib/mock/f40-build-2019891-46572/root/chroot_tmpdir/scmroot/perl-Parallel-Iterator
Cloning into '/var/lib/mock/f40-build-2019891-46572/root/chroot_tmpdir/scmroot/perl-Parallel-Iterator'...
$ git fetch origin b6da0f7cd6b6f37a914b709d3afed6a74a0c11e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Parallel-Iterator
 * [new ref]         b6da0f7cd6b6f37a914b709d3afed6a74a0c11e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6da0f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild