$ git clone -n https://src.fedoraproject.org/rpms/ghc-js-jquery.git /var/lib/mock/f40-build-742196-110610/root/chroot_tmpdir/scmroot/ghc-js-jquery
Cloning into '/var/lib/mock/f40-build-742196-110610/root/chroot_tmpdir/scmroot/ghc-js-jquery'...
$ git fetch origin 3f205e0e4b860d9a8ad2e56ee93cd4abf4f64373:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-js-jquery
 * [new ref]         3f205e0e4b860d9a8ad2e56ee93cd4abf4f64373 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f205e0 bump release