$ git clone -n https://src.fedoraproject.org/rpms/librvngabw.git /var/lib/mock/f31-build-59432-28580/root/chroot_tmpdir/scmroot/librvngabw
Cloning into '/var/lib/mock/f31-build-59432-28580/root/chroot_tmpdir/scmroot/librvngabw'...
$ git reset --hard cf7a86908cc3666962827eacba4746a97f1598b0
HEAD is now at cf7a869 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild