$ git clone -n https://src.fedoraproject.org/rpms/rubygem-gtk3.git /var/lib/mock/f38-build-715219-95345/root/chroot_tmpdir/scmroot/rubygem-gtk3
Cloning into '/var/lib/mock/f38-build-715219-95345/root/chroot_tmpdir/scmroot/rubygem-gtk3'...
$ git reset --hard 746587f1620a5649e7c4243cf7dc5cc8b9601616
HEAD is now at 746587f 4.1.2 entry