$ git clone -n https://src.fedoraproject.org/rpms/pcs.git /var/lib/mock/f40-build-2365192-60368/root/chroot_tmpdir/scmroot/pcs
Cloning into '/var/lib/mock/f40-build-2365192-60368/root/chroot_tmpdir/scmroot/pcs'...
$ git fetch origin b68e4b6701e459e7043bf0b1b7c626c56f17ae39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcs
 * [new ref]         b68e4b6701e459e7043bf0b1b7c626c56f17ae39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b68e4b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild