$ git clone -n https://src.fedoraproject.org/rpms/ghc-bifunctors.git /var/lib/mock/f40-build-2347335-60093/root/chroot_tmpdir/scmroot/ghc-bifunctors
Cloning into '/var/lib/mock/f40-build-2347335-60093/root/chroot_tmpdir/scmroot/ghc-bifunctors'...
$ git fetch origin 5b19b450a9b3bc884694c6616d76dd6c1cbec289:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-bifunctors
 * [new ref]         5b19b450a9b3bc884694c6616d76dd6c1cbec289 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b19b45 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild