$ git clone -n https://src.fedoraproject.org/rpms/rubygem-gstreamer.git /var/lib/mock/f41-build-808646-145985/root/chroot_tmpdir/scmroot/rubygem-gstreamer
Cloning into '/var/lib/mock/f41-build-808646-145985/root/chroot_tmpdir/scmroot/rubygem-gstreamer'...
$ git reset --hard f624bdf2d48a7d3fb4c4a0db71ea0954394f9234
HEAD is now at f624bdf 4.2.2 entry