$ git clone -n https://src.fedoraproject.org/rpms/rubygem-gtk3.git /var/lib/mock/f38-build-721472-98549/root/chroot_tmpdir/scmroot/rubygem-gtk3
Cloning into '/var/lib/mock/f38-build-721472-98549/root/chroot_tmpdir/scmroot/rubygem-gtk3'...
$ git reset --hard 47b8174154619cdb67d1ddb25384040ec0194eb0
HEAD is now at 47b8174 4.1.6 entry