From 44094b082d56daa2eab5a8f6c6d73f86d8b18d8b Mon Sep 17 00:00:00 2001
From: Maganty Rushyendra <mrushyendra@yahoo.com.sg>
Date: Wed, 10 Jun 2020 17:41:42 +0800
Subject: [PATCH] Account for file deletion and renaming in Export Presets

Ensure that presets are updated with the latest files when
starting up or opening the Project Export dialog. Fixes the
error where Godot would attempt to export deleted files that
were previously selected.
---
 editor/editor_export.cpp  | 19 ++++++++++++++++++-
 editor/editor_export.h    |  2 ++
 editor/project_export.cpp |  1 +
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/editor/editor_export.cpp b/editor/editor_export.cpp
index 716ead9afca..25594bf7c80 100644
--- a/editor/editor_export.cpp
+++ b/editor/editor_export.cpp
@@ -90,6 +90,19 @@ Ref<EditorExportPlatform> EditorExportPreset::get_platform() const {
 	return platform;
 }
 
+void EditorExportPreset::update_files_to_export() {
+	Vector<String> to_remove;
+	for (Set<String>::Element *E = selected_files.front(); E; E = E->next()) {
+		if (!FileAccess::exists(E->get())) {
+			to_remove.push_back(E->get());
+		}
+	}
+	for (int i = 0; i < to_remove.size(); ++i) {
+		selected_files.erase(to_remove[i]);
+	}
+	EditorExport::singleton->save_presets();
+}
+
 Vector<String> EditorExportPreset::get_files_to_export() const {
 	Vector<String> files;
 	for (Set<String>::Element *E = selected_files.front(); E; E = E->next()) {
@@ -1298,7 +1311,11 @@ void EditorExport::load_config() {
 			Vector<String> files = config->get_value(section, "export_files");
 
 			for (int i = 0; i < files.size(); i++) {
-				preset->add_export_file(files[i]);
+				if (!FileAccess::exists(files[i])) {
+					preset->remove_export_file(files[i]);
+				} else {
+					preset->add_export_file(files[i]);
+				}
 			}
 		}
 
diff --git a/editor/editor_export.h b/editor/editor_export.h
index 4978b392485..8ad8326f10c 100644
--- a/editor/editor_export.h
+++ b/editor/editor_export.h
@@ -94,6 +94,8 @@ public:
 
 	bool has(const StringName &p_property) const { return values.has(p_property); }
 
+	void update_files_to_export();
+
 	Vector<String> get_files_to_export() const;
 
 	void add_export_file(const String &p_path);
diff --git a/editor/project_export.cpp b/editor/project_export.cpp
index e5372a5d47d..c53a59604a9 100644
--- a/editor/project_export.cpp
+++ b/editor/project_export.cpp
@@ -163,6 +163,7 @@ void ProjectExportDialog::_update_presets() {
 		if (preset->is_runnable()) {
 			name += " (" + TTR("Runnable") + ")";
 		}
+		preset->update_files_to_export();
 		presets->add_item(name, preset->get_platform()->get_logo());
 	}