$ git clone -n https://src.fedoraproject.org/rpms/wcm.git /var/lib/mock/f39-build-1657917-40571/root/chroot_tmpdir/scmroot/wcm
Cloning into '/var/lib/mock/f39-build-1657917-40571/root/chroot_tmpdir/scmroot/wcm'...
$ git fetch origin 2a4fa39f933f274689c07632e50c7db042247f08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wcm
 * [new ref]         2a4fa39f933f274689c07632e50c7db042247f08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a4fa39 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild