$ git clone -n https://src.fedoraproject.org/rpms/ghc-lens.git /var/lib/mock/f40-build-777465-129377/root/chroot_tmpdir/scmroot/ghc-lens
Cloning into '/var/lib/mock/f40-build-777465-129377/root/chroot_tmpdir/scmroot/ghc-lens'...
$ git fetch origin a0db554ff338b03776a859e0030796a9f51b3ee4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-lens
 * [new ref]         a0db554ff338b03776a859e0030796a9f51b3ee4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0db554 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild