$ git clone -n https://src.fedoraproject.org/rpms/rubygem-gtk2.git /var/lib/mock/f33-build-199846-47970/root/chroot_tmpdir/scmroot/rubygem-gtk2
Cloning into '/var/lib/mock/f33-build-199846-47970/root/chroot_tmpdir/scmroot/rubygem-gtk2'...
$ git reset --hard 03f291bdfa6b602f3b489f96d62fc6c9211a8d3b
HEAD is now at 03f291b - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild