From de13d400aa62e5364204f3cfa3816a6488421e31 Mon Sep 17 00:00:00 2001
From: Daniel Schwabeneder <daschw@disroot.org>
Date: Sun, 8 Sep 2019 21:33:56 +0200
Subject: [PATCH] remove PlotReferenceImages dependency

---
 Project.toml     |  7 +++----
 src/Plots.jl     |  2 +-
 test/imgcomp.jl  |  1 -
 test/runtests.jl | 26 ++++++++++++++++++++++++--
 4 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/Project.toml b/Project.toml
index 53a14f2d..33523f66 100644
--- a/Project.toml
+++ b/Project.toml
@@ -45,14 +45,13 @@ Gtk = "4c0ca9eb-093a-5379-98c5-f87ac0bbbf44"
 ImageMagick = "6218d12a-5da1-5696-b52f-db25d2ecc6d1"
 Images = "916415d5-f1e6-5110-898d-aaa5f9f070e0"
 LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
-Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
-PlotReferenceImages = "c5e800db-1e6b-5f72-915a-308d267b7a19"
-RDatasets = "ce6b1742-4840-55fa-b093-852dadbb1d8b"
+LibGit2 = "76f85450-5226-5b5a-8eaa-529ad045b433"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+RDatasets = "ce6b1742-4840-55fa-b093-852dadbb1d8b"
 StatsPlots = "f3b207a7-027a-5e70-b257-86293d7955fd"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228"
 VisualRegressionTests = "34922c18-7c2a-561c-bac1-01e79b2c4c92"
 
 [targets]
-test = ["Pkg", "Test", "Random", "StatsPlots", "VisualRegressionTests", "LaTeXStrings", "Images", "ImageMagick", "RDatasets", "FileIO", "Gtk", "UnicodePlots", "PlotReferenceImages"]
+test = ["FileIO", "Gtk", "ImageMagick", "Images", "LaTeXStrings", "LibGit2", "Random", "RDatasets", "StatsPlots", "Test", "UnicodePlots", "VisualRegressionTests"]
diff --git a/src/Plots.jl b/src/Plots.jl
index 54d34615..731acd49 100644
--- a/src/Plots.jl
+++ b/src/Plots.jl
@@ -1,6 +1,6 @@
 module Plots
 
-_current_plots_version = v"0.26.1"
+const _current_plots_version = VersionNumber(split(first(filter(line -> occursin("version", line), readlines(normpath(@__DIR__, "..", "Project.toml")))), "\"")[2])
 
 using Reexport
 
diff --git a/test/imgcomp.jl b/test/imgcomp.jl
index 96f41809..e7151573 100644
--- a/test/imgcomp.jl
+++ b/test/imgcomp.jl
@@ -14,7 +14,6 @@ function image_comparison_tests(pkg::Symbol, idx::Int; debug = false, popup = !i
     fn = "ref$idx.png"
     reffn = reference_file(pkg, idx, _current_plots_version)
     newfn = joinpath(reference_path(pkg, _current_plots_version), fn)
->>>>>>> use PlotReferenceImages Julia Package for tests
 
     # test function
     func = (fn, idx) -> begin
diff --git a/test/runtests.jl b/test/runtests.jl
index 4e64928f..e8a1f687 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -3,10 +3,32 @@ using Plots
 using Random
 using Test
 using FileIO
-using PlotReferenceImages
 using Gtk
 
->>>>>>> use PlotReferenceImages Julia Package for tests
+reference_dir(args...) = joinpath(homedir(), ".julia", "dev", "PlotReferenceImages", args...)
+
+function reference_file(backend, i, version)
+    refdir = reference_dir("Plots", string(backend))
+    fn = "ref$i.png"
+    versions = sort(VersionNumber.(readdir(refdir)), rev = true)
+
+    reffn = joinpath(refdir, string(version), fn)
+    for v in versions
+        tmpfn = joinpath(refdir, string(v), fn)
+        if isfile(tmpfn)
+            reffn = tmpfn
+            break
+        end
+    end
+
+    return reffn
+end
+
+reference_path(backend, version) = reference_dir("Plots", string(backend), string(version))
+
+if !isdir(reference_dir())
+    LibGit2.clone("https://github.com/JuliaPlots/PlotReferenceImages.jl.git", reference_dir())
+end
 
 include("imgcomp.jl")
 # don't actually show the plots