$ git clone -n https://src.fedoraproject.org/rpms/ghc-conduit-extra.git /var/lib/mock/f38-build-side-42-init-devel-1099017-30073/root/chroot_tmpdir/scmroot/ghc-conduit-extra
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1099017-30073/root/chroot_tmpdir/scmroot/ghc-conduit-extra'...
$ git fetch origin c4cd9411ab7e4728238da281467a0822b3b8b52c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-conduit-extra
 * [new ref]         c4cd9411ab7e4728238da281467a0822b3b8b52c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4cd941 Convert to %autorelease and %autochangelog