$ git clone -n https://src.fedoraproject.org/rpms/ghc-http-client-openssl.git /var/lib/mock/f41-build-839811-160371/root/chroot_tmpdir/scmroot/ghc-http-client-openssl
Cloning into '/var/lib/mock/f41-build-839811-160371/root/chroot_tmpdir/scmroot/ghc-http-client-openssl'...
$ git fetch origin f744641b4cba353bb9d2ecfb3a2563600b65dd46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-http-client-openssl
 * [new ref]         f744641b4cba353bb9d2ecfb3a2563600b65dd46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f744641 bump release