$ git clone -n https://src.fedoraproject.org/rpms/bigloo.git /var/lib/mock/f39-build-2054747-49112/root/chroot_tmpdir/scmroot/bigloo
Cloning into '/var/lib/mock/f39-build-2054747-49112/root/chroot_tmpdir/scmroot/bigloo'...
$ git fetch origin 50d4e87b0e18aef8173b021746196f9731f67428:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bigloo
 * [new ref]         50d4e87b0e18aef8173b021746196f9731f67428 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50d4e87 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild