$ git clone -n https://src.fedoraproject.org/rpms/ghc-equivalence.git /var/lib/mock/f40-build-777435-129359/root/chroot_tmpdir/scmroot/ghc-equivalence
Cloning into '/var/lib/mock/f40-build-777435-129359/root/chroot_tmpdir/scmroot/ghc-equivalence'...
$ git fetch origin bc0d917fc94c7a768d6bb63973c6f273e0e97141:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-equivalence
 * [new ref]         bc0d917fc94c7a768d6bb63973c6f273e0e97141 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc0d917 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild