From da7d225fcc81fafe7d101098b4b47830e17bd73c Mon Sep 17 00:00:00 2001
From: Andy Stewart <lazycat.manatee@gmail.com>
Date: Mon, 10 Jun 2024 02:18:45 +0800
Subject: [PATCH] Make sure csharp-ls find and load solution under project
 path.

---
 core/lspserver.py         | 19 +++++++++++++------
 core/utils.py             | 10 ++++++++--
 langserver/csharp-ls.json | 10 +++++++---
 3 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/core/lspserver.py b/core/lspserver.py
index 7aadb10b1a..2d548653b1 100755
--- a/core/lspserver.py
+++ b/core/lspserver.py
@@ -266,11 +266,6 @@ def __init__(self, message_queue, project_path, server_info, server_name, enable
         self.save_include_text = False
 
         # Start LSP server.
-        command_args = self.server_info["command"]
-        for i, arg in enumerate(command_args):
-            command_args[i] = replace_template(arg, self.project_path)
-        self.server_info["command"] = command_args
-
         self.lsp_subprocess = subprocess.Popen(self.server_info["command"],
                                                bufsize=DEFAULT_BUFFER_SIZE,
                                                stdin=PIPE,
@@ -546,10 +541,22 @@ def send_exit_notification(self):
         self.sender.send_notification("exit", {})
 
     def get_server_workspace_change_configuration(self):
-        return {
+        settings = {
             "settings": self.server_info.get("settings", {})
         }
 
+        if self.server_info["name"] == "csharp-ls":
+            # Set settings.csharp.solution if found *.sln file in project,
+            # to make sure csharp-ls find and load solution with project path, not current path.
+            settings = {
+                "settings": {
+                    "csharp": {
+                        "solution": find_csharp_solution_file(self.project_path)
+                    }
+                }}
+
+        return settings
+
     def handle_workspace_configuration_request(self, name, request_id, params):
         settings = self.server_info.get("settings", {})
 
diff --git a/core/utils.py b/core/utils.py
index 09393c9093..b3444af8da 100755
--- a/core/utils.py
+++ b/core/utils.py
@@ -466,11 +466,17 @@ def replace_template(arg, project_path=None):
         return arg.replace("%FILEHASH%", os.urandom(21).hex())
     elif "%USERPROFILE%" in arg:
         return arg.replace("%USERPROFILE%", windows_get_env_value("USERPROFILE"))
-    elif "%PROJECTPATH%" in arg and project_path:
-        return arg.replace("%PROJECTPATH%", project_path)
     else:
         return arg
 
+def find_csharp_solution_file(directory):
+    for root, dirs, files in os.walk(directory):
+        for file in files:
+            if file.endswith(".sln"):
+                return os.path.join(root, file)
+
+    return None
+
 def touch(path):
     import os
 
diff --git a/langserver/csharp-ls.json b/langserver/csharp-ls.json
index 50a866e909..0bea4b629d 100644
--- a/langserver/csharp-ls.json
+++ b/langserver/csharp-ls.json
@@ -1,9 +1,13 @@
 {
   "name": "csharp-ls",
-  "languageId": "c#",
-  "command": ["$HOME/.dotnet/tools/csharp-ls", "-s", "%PROJECTPATH%"],
+  "languageId": "csharp",
+  "command": ["$HOME/.dotnet/tools/csharp-ls"],
   "forceInlayHint": true,
-  "settings": {},
+  "settings": {
+    "csharp": {
+      "solution": null
+    }
+  },
   "support-single-file": false,
   "capabilities": {
     "general": {