$ git clone -n https://src.fedoraproject.org/rpms/ghc-aeson.git /var/lib/mock/f40-build-777057-129193/root/chroot_tmpdir/scmroot/ghc-aeson
Cloning into '/var/lib/mock/f40-build-777057-129193/root/chroot_tmpdir/scmroot/ghc-aeson'...
$ git fetch origin 157e5421e9c90293becd27fbeb76a0eaabe95372:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-aeson
 * [new ref]         157e5421e9c90293becd27fbeb76a0eaabe95372 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 157e542 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild