$ git clone -n https://src.fedoraproject.org/rpms/ghc-css-text.git /var/lib/mock/f40-build-2178106-51101/root/chroot_tmpdir/scmroot/ghc-css-text
Cloning into '/var/lib/mock/f40-build-2178106-51101/root/chroot_tmpdir/scmroot/ghc-css-text'...
$ git fetch origin c9c3c77cdeb062b5e168942e1136ce66cabd988d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-css-text
 * [new ref]         c9c3c77cdeb062b5e168942e1136ce66cabd988d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9c3c77 bump release