$ git clone -n https://src.fedoraproject.org/rpms/libglpng.git /var/lib/mock/f31-build-58695-28487/root/chroot_tmpdir/scmroot/libglpng
Cloning into '/var/lib/mock/f31-build-58695-28487/root/chroot_tmpdir/scmroot/libglpng'...
$ git reset --hard 1168965a12d63ff8ee0285819fbab466938da60f
HEAD is now at 1168965 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild