$ git clone -n https://src.fedoraproject.org/rpms/ghc-attoparsec-aeson.git /var/lib/mock/f45-build-9978-412/root/chroot_tmpdir/scmroot/ghc-attoparsec-aeson
Cloning into '/var/lib/mock/f45-build-9978-412/root/chroot_tmpdir/scmroot/ghc-attoparsec-aeson'...
$ git fetch origin 3d0392f1a338fd536007aad9bf4dc55d8153ed17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-attoparsec-aeson
 * [new ref]         3d0392f1a338fd536007aad9bf4dc55d8153ed17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d0392f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild