$ git clone -n http://git.inferitos.ru/rpms/gstreamer1-plugin-libav.git /var/lib/mock/inferit-10_0-extras-build-86730-158465/root/chroot_tmpdir/scmroot/gstreamer1-plugin-libav
Cloning into '/var/lib/mock/inferit-10_0-extras-build-86730-158465/root/chroot_tmpdir/scmroot/gstreamer1-plugin-libav'...
$ git fetch origin 6cc69f1:KOJI_FETCH_HEAD
fatal: couldn't find remote ref 6cc69f1
$ git reset --hard 6cc69f1
HEAD is now at 6cc69f1 BR: ffmpeg-devel