$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-plugin-libav.git /var/lib/mock/f37-build-side-32-misc-devel-335656-15447/root/chroot_tmpdir/scmroot/gstreamer1-plugin-libav
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-335656-15447/root/chroot_tmpdir/scmroot/gstreamer1-plugin-libav'...
$ git reset --hard a0393e8f846327182a0d9213eed59607aabeb57b
HEAD is now at a0393e8 Update to 1.20.5