From 81f13f61719a2c1c5451cdb7f8b2dd003db8c56d Mon Sep 17 00:00:00 2001
From: Ignacio Etcheverry <ignalfonsore@gmail.com>
Date: Thu, 23 Apr 2020 16:12:22 +0200
Subject: C#: Fix always saving copy of csproj even with no changes

This was a regression from 93d7ec88360a467a3041c0aa08390daa1f75892b (#38110).
Mono's old implementation of Microsoft.Build hardcodes HasUnsavedChanges to
always return true.
This workaround can be reverted once we switch to official Microsoft.Build.
---
 .../GodotTools.ProjectEditor/ProjectUtils.cs       | 25 ++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

(limited to 'modules')

diff --git a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
index a875e1c14f..f2ebef1a7d 100644
--- a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
+++ b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
@@ -13,7 +13,7 @@ namespace GodotTools.ProjectEditor
     {
         public ProjectRootElement Root { get; }
 
-        public bool HasUnsavedChanges => Root.HasUnsavedChanges;
+        public bool HasUnsavedChanges { get; set; }
 
         public void Save() => Root.Save();
 
@@ -78,6 +78,8 @@ namespace GodotTools.ProjectEditor
             var root = ProjectRootElement.Open(projectPath);
             Debug.Assert(root != null);
 
+            bool dirty = false;
+
             var oldFolderNormalized = oldFolder.NormalizePath();
             var newFolderNormalized = newFolder.NormalizePath();
             string absOldFolderNormalized = Path.GetFullPath(oldFolderNormalized).NormalizePath();
@@ -88,9 +90,10 @@ namespace GodotTools.ProjectEditor
                 string absPathNormalized = Path.GetFullPath(item.Include).NormalizePath();
                 string absNewIncludeNormalized = absNewFolderNormalized + absPathNormalized.Substring(absOldFolderNormalized.Length);
                 item.Include = absNewIncludeNormalized.RelativeToPath(dir).Replace("/", "\\");
+                dirty = true;
             }
 
-            if (root.HasUnsavedChanges)
+            if (dirty)
                 root.Save();
         }
 
@@ -183,6 +186,7 @@ namespace GodotTools.ProjectEditor
                 }
 
                 root.AddProperty(name, value).Condition = " " + condition + " ";
+                project.HasUnsavedChanges = true;
             }
 
             AddPropertyIfNotPresent(name: "ApiConfiguration",
@@ -224,6 +228,7 @@ namespace GodotTools.ProjectEditor
                         }
 
                         referenceWithHintPath.AddMetadata("HintPath", hintPath);
+                        project.HasUnsavedChanges = true;
                         return;
                     }
 
@@ -232,12 +237,14 @@ namespace GodotTools.ProjectEditor
                     {
                         // Found a Reference item without a HintPath
                         referenceWithoutHintPath.AddMetadata("HintPath", hintPath);
+                        project.HasUnsavedChanges = true;
                         return;
                     }
                 }
 
                 // Found no Reference item at all. Add it.
                 root.AddItem("Reference", referenceName).Condition = " " + condition + " ";
+                project.HasUnsavedChanges = true;
             }
 
             const string coreProjectName = "GodotSharp";
@@ -270,6 +277,7 @@ namespace GodotTools.ProjectEditor
                 {
                     configItem.Value = "Debug";
                     foundOldConfiguration = true;
+                    project.HasUnsavedChanges = true;
                 }
             }
 
@@ -277,6 +285,7 @@ namespace GodotTools.ProjectEditor
             {
                 root.PropertyGroups.First(g => g.Condition == string.Empty)?
                     .AddProperty("GodotProjectGeneratorVersion", Assembly.GetExecutingAssembly().GetName().Version.ToString());
+                project.HasUnsavedChanges = true;
             }
 
             if (!foundOldConfiguration)
@@ -300,21 +309,33 @@ namespace GodotTools.ProjectEditor
                     void MigrateConditions(string oldCondition, string newCondition)
                     {
                         foreach (var propertyGroup in root.PropertyGroups.Where(g => g.Condition.Trim() == oldCondition))
+                        {
                             propertyGroup.Condition = " " + newCondition + " ";
+                            project.HasUnsavedChanges = true;
+                        }
 
                         foreach (var propertyGroup in root.PropertyGroups)
                         {
                             foreach (var prop in propertyGroup.Properties.Where(p => p.Condition.Trim() == oldCondition))
+                            {
                                 prop.Condition = " " + newCondition + " ";
+                                project.HasUnsavedChanges = true;
+                            }
                         }
 
                         foreach (var itemGroup in root.ItemGroups.Where(g => g.Condition.Trim() == oldCondition))
+                        {
                             itemGroup.Condition = " " + newCondition + " ";
+                            project.HasUnsavedChanges = true;
+                        }
 
                         foreach (var itemGroup in root.ItemGroups)
                         {
                             foreach (var item in itemGroup.Items.Where(item => item.Condition.Trim() == oldCondition))
+                            {
                                 item.Condition = " " + newCondition + " ";
+                                project.HasUnsavedChanges = true;
+                            }
                         }
                     }
 
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