$ git clone -n https://src.fedoraproject.org/rpms/ghc-http-client-restricted.git /var/lib/mock/f41-build-side-1-2908493-34741/root/chroot_tmpdir/scmroot/ghc-http-client-restricted
Cloning into '/var/lib/mock/f41-build-side-1-2908493-34741/root/chroot_tmpdir/scmroot/ghc-http-client-restricted'...
$ git fetch origin 579f4c7026c509c1743cf51fc6429f1e8ac51bd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-http-client-restricted
 * [new ref]         579f4c7026c509c1743cf51fc6429f1e8ac51bd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 579f4c7 https://hackage.haskell.org/package/http-client-restricted-0.1.0/changelog