$ git clone -n https://src.fedoraproject.org/rpms/noopenh264.git /var/lib/mock/f40-build-789045-135492/root/chroot_tmpdir/scmroot/noopenh264
Cloning into '/var/lib/mock/f40-build-789045-135492/root/chroot_tmpdir/scmroot/noopenh264'...
$ git fetch origin 37c82bc04e2547439ee7d27d27503ed1c20ae4f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/noopenh264
 * [new ref]         37c82bc04e2547439ee7d27d27503ed1c20ae4f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37c82bc Update for openh264 2.4.0