$ git clone -n https://src.fedoraproject.org/rpms/ghc-microlens-ghc.git /var/lib/mock/f40-build-776306-128763/root/chroot_tmpdir/scmroot/ghc-microlens-ghc
Cloning into '/var/lib/mock/f40-build-776306-128763/root/chroot_tmpdir/scmroot/ghc-microlens-ghc'...
$ git fetch origin ac4cbab48b9493c90fac453e96ec01ca398fe5cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-microlens-ghc
 * [new ref]         ac4cbab48b9493c90fac453e96ec01ca398fe5cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac4cbab Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild