$ git clone -n https://src.fedoraproject.org/rpms/gtkglext.git /var/lib/mock/f31-build-85831-31630/root/chroot_tmpdir/scmroot/gtkglext
Cloning into '/var/lib/mock/f31-build-85831-31630/root/chroot_tmpdir/scmroot/gtkglext'...
$ git reset --hard 8e20dafced133daff5709ecc8160d339a944b864
HEAD is now at 8e20daf - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild