From 232d93024c933a65999c38feebbcef9030c2d873 Mon Sep 17 00:00:00 2001
From: Ching Pei Yang <badnam3o.0@gmail.com>
Date: Tue, 19 Sep 2023 01:30:45 +0200
Subject: [PATCH] feat: make clang lsp install optional

---
 modules/languages/clang.nix | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/modules/languages/clang.nix b/modules/languages/clang.nix
index 7d201e4..3235c45 100644
--- a/modules/languages/clang.nix
+++ b/modules/languages/clang.nix
@@ -9,6 +9,10 @@ with builtins; let
   cfg = config.vim.languages.clang;
 
   defaultServer = "ccls";
+  packageToCmd = package: defaultCmd:
+    if isList cfg.lsp.package
+    then nvim.lua.expToLua cfg.lsp.package
+    else ''{ "${cfg.lsp.package}/bin/${defaultCmd}" }'';
   servers = {
     ccls = {
       package = pkgs.ccls;
@@ -16,7 +20,7 @@ with builtins; let
         lspconfig.ccls.setup{
           capabilities = capabilities;
           on_attach=default_on_attach;
-          cmd = {"${cfg.lsp.package}/bin/ccls"};
+          cmd = ${packageToCmd cfg.lsp.package "ccls"};
           ${optionalString (cfg.lsp.opts != null) "init_options = ${cfg.lsp.opts}"}
         }
       '';
@@ -30,7 +34,7 @@ with builtins; let
         lspconfig.clangd.setup{
           capabilities = clangd_cap;
           on_attach=default_on_attach;
-          cmd = {"${cfg.lsp.package}/bin/clangd"};
+          cmd = ${packageToCmd cfg.lsp.package "clangd"};
           ${optionalString (cfg.lsp.opts != null) "init_options = ${cfg.lsp.opts}"}
         }
       '';
@@ -95,7 +99,7 @@ in {
 
       package = mkOption {
         description = "clang LSP server package";
-        type = types.package;
+        type = with types; either package (listOf str);
         default = servers.${cfg.lsp.server}.package;
       };