$ git clone -n https://src.fedoraproject.org/rpms/ghc-js-flot.git /var/lib/mock/f38-build-side-42-init-devel-1013332-29460/root/chroot_tmpdir/scmroot/ghc-js-flot
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1013332-29460/root/chroot_tmpdir/scmroot/ghc-js-flot'...
$ git fetch origin 9e76b599052fcc547ce555ce97b3d52699ffc5bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-js-flot
 * [new ref]         9e76b599052fcc547ce555ce97b3d52699ffc5bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e76b59 set %autorelease baserelease for upgrade from f37