$ git clone -n https://src.fedoraproject.org/rpms/pcb-rnd.git /var/lib/mock/f41-build-855826-167429/root/chroot_tmpdir/scmroot/pcb-rnd
Cloning into '/var/lib/mock/f41-build-855826-167429/root/chroot_tmpdir/scmroot/pcb-rnd'...
$ git fetch origin c71d3ccc8bee2801fc6469bc00f796a804132b11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcb-rnd
 * [new ref]         c71d3ccc8bee2801fc6469bc00f796a804132b11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c71d3cc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild