$ git clone -n https://src.fedoraproject.org/rpms/ghc-mmorph.git /var/lib/mock/f40-build-2286404-55710/root/chroot_tmpdir/scmroot/ghc-mmorph
Cloning into '/var/lib/mock/f40-build-2286404-55710/root/chroot_tmpdir/scmroot/ghc-mmorph'...
$ git fetch origin a3673f5276f5024f3a8b93ec8aae46e29fa0ae73:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-mmorph
 * [new ref]         a3673f5276f5024f3a8b93ec8aae46e29fa0ae73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3673f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild