refactor: stores runtime data in ~/.sourcegit instead of ~/.local/share/SourceGit (#2088)

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

README.md

@@ -72,11 +72,11 @@ You can download the latest stable from [Releases](https://github.com/sourcegit-
 
 This software creates a folder, which is platform-dependent, to store user settings, downloaded avatars and crash logs.
 
-| OS      | PATH                                            |
-|---------|-------------------------------------------------|
-| Windows | `%APPDATA%\SourceGit`                           |
-| Linux   | `${HOME}/.local/share/SourceGit`                |
-| macOS   | `${HOME}/Library/Application Support/SourceGit` |
+| OS      | PATH                                      |
+|---------|-------------------------------------------|
+| Windows | `%APPDATA%\SourceGit`                     |
+| Linux   | `~/.sourcegit`                            |
+| macOS   | `~/Library/Application Support/SourceGit` |
 
 > [!TIP]
 > * You can open this data storage directory from the main menu `Open Data Storage Directory`.

src/Native/Linux.cs

@@ -44,32 +44,23 @@ public string GetDataDir()
                     return portableDir;
             }
 
-            // Gets the `$XDG_DATA_HOME` dir.
+            // Runtime data dir: ~/.sourcegit
             var home = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
-            var dataHome = Path.Combine(home, ".local", "share");
-            if (!Directory.Exists(dataHome))
-                Directory.CreateDirectory(dataHome);
+            var dataDir = Path.Combine(home, ".sourcegit");
+            if (Directory.Exists(dataDir))
+                return dataDir;
 
-            // Gets the data dir and migrate old data.
-            var dataDir = Path.Combine(dataHome, "SourceGit");
-            if (!Directory.Exists(dataDir))
+            // Migrate old data: ~/.config/SourceGit
+            var oldDataDir = Path.Combine(home, ".config", "SourceGit");
+            if (Directory.Exists(oldDataDir))
             {
-                var oldDataDir = Path.Combine(home, ".config", "SourceGit"); // Old data dir: $XDG_CONFIG_HOME/SourceGit
-                var oldFallbackDir = Path.Combine(home, ".sourcegit"); // Old fallback folder: $HOME/.sourcegit
-                var moveDir = Directory.Exists(oldDataDir)
-                    ? oldDataDir
-                    : (Directory.Exists(oldFallbackDir) ? oldFallbackDir : string.Empty);
-
-                if (!string.IsNullOrEmpty(moveDir))
+                try
+                {
+                    Directory.Move(oldDataDir, dataDir);
+                }
+                catch
                 {
-                    try
-                    {
-                        Directory.Move(moveDir, dataDir);
-                    }
-                    catch
-                    {
-                        // Ignore errors
-                    }
+                    // Ignore errors
                 }
             }