$ git clone -n https://src.fedoraproject.org/rpms/rubygem-gstreamer.git /var/lib/mock/f31-build-86788-31706/root/chroot_tmpdir/scmroot/rubygem-gstreamer
Cloning into '/var/lib/mock/f31-build-86788-31706/root/chroot_tmpdir/scmroot/rubygem-gstreamer'...
$ git reset --hard 2f57de125cc05d77da34b280616f9aeb32898a29
HEAD is now at 2f57de1 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild