$ git clone -n https://src.fedoraproject.org/rpms/ghc-req.git /var/lib/mock/f40-build-777444-129361/root/chroot_tmpdir/scmroot/ghc-req
Cloning into '/var/lib/mock/f40-build-777444-129361/root/chroot_tmpdir/scmroot/ghc-req'...
$ git fetch origin 06356237723bdc065e97437c6a4c90761c7cdd0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-req
 * [new ref]         06356237723bdc065e97437c6a4c90761c7cdd0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0635623 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild