$ git clone -n https://src.fedoraproject.org/rpms/gtkglext.git /var/lib/mock/f31-build-50786-27436/root/chroot_tmpdir/scmroot/gtkglext
Cloning into '/var/lib/mock/f31-build-50786-27436/root/chroot_tmpdir/scmroot/gtkglext'...
$ git reset --hard 296bbc31e2add0bb59ea5e5662d919b357538c47
HEAD is now at 296bbc3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild