$ git clone -n https://src.fedoraproject.org/rpms/sblim-gather.git /var/lib/mock/f40-build-2041155-48413/root/chroot_tmpdir/scmroot/sblim-gather
Cloning into '/var/lib/mock/f40-build-2041155-48413/root/chroot_tmpdir/scmroot/sblim-gather'...
$ git fetch origin 5641de182efc49c87d31e4e0d7e190d634959940:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sblim-gather
 * [new ref]         5641de182efc49c87d31e4e0d7e190d634959940 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5641de1 Use %autosetup