From 2bf3ddf45b062de7fe164d3a638b63729d58f894 Mon Sep 17 00:00:00 2001
From: Simon Christ <SimonChrist@gmx.de>
Date: Fri, 15 Nov 2019 16:41:47 +0100
Subject: [PATCH] add guard against overexecution

---
 src/backends/pgfplotsx.jl | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/backends/pgfplotsx.jl b/src/backends/pgfplotsx.jl
index becb538a..228b3ea3 100644
--- a/src/backends/pgfplotsx.jl
+++ b/src/backends/pgfplotsx.jl
@@ -419,7 +419,13 @@ function pgfx_axis!(opt::PGFPlotsX.Options, sp::Subplot, letter)
 end
 # --------------------------------------------------------------------------------------
 # display calls this and then _display, its called 3 times for plot(1:5)
+let n_calls = 0
+function _series_updated(plt::Plot{PGFPlotsXBackend}, series::Series)
+    n_calls = 0
+end
+
 function _update_plot_object(plt::Plot{PGFPlotsXBackend})
+if n_calls === 0
     plt.o = PGFPlotsX.GroupPlot()
 
     for sp in plt.subplots
@@ -478,6 +484,8 @@ function _update_plot_object(plt::Plot{PGFPlotsXBackend})
         push!( plt.o, axis )
     end
 end
+n_calls += 1
+end
 
 function _show(io::IO, mime::MIME"image/svg+xml", plt::Plot{PGFPlotsXBackend})
     show(io, mime, plt.o)