Patch nimlangserver to work around missing /usr/compiler/pathutils

.gitignore

@@ -1,3 +1,4 @@
 *.zst
 /nimlangserver/
 /src/
+/pkg/

PKGBUILD

@@ -8,12 +8,19 @@ arch=('x86_64')
 url="https://github.com/nim-lang/langserver"
 license=('MIT')
 depends=('nim>=1.0.0')
-makedepends=('git') # pathutils to makedepends
-# FIXME Blocker with missing pathutil library of nim (https://github.com/nim-lang/langserver/issues/22)
+makedepends=('git')
 provides=("${pkgname%-git}")
 conflicts=("${pkgname%-git}")
-source=("${pkgname%-git}::git+$url.git")
-sha256sums=('SKIP')
+source=("${pkgname%-git}::git+$url.git"
+        "nimlangserver.patch")
+sha256sums=('SKIP'
+            '76a987077dea6a224a6337a08f172f92da1734af6c7e31e8674d131654aba07c')
+
+prepare() {
+    # patching
+    cd "$srcdir/${pkgname%-git}"
+    patch --strip=2 < ../../nimlangserver.patch # work around "Error: cannot open file: /usr/compiler/pathutils" https://github.com/nim-lang/langserver/issues/22
+}
 
 pkgver() {
     cd "$srcdir/${pkgname%-git}"
@@ -21,6 +28,7 @@ pkgver() {
 }
 
 build() {
+    # FIXME missing "packages.json" file
     # change into source
     cd "$srcdir/${pkgname%-git}"
     # compile program

nimlangserver.patch

@@ -0,0 +1,12 @@
+diff '--color=auto' --unified --recursive --text --color src/nimlangserver-orig/nimlangserver.nim src/nimlangserver/nimlangserver.nim
+--- src/nimlangserver-orig/nimlangserver.nim	2023-05-25 14:56:42.996481704 +0200
++++ src/nimlangserver/nimlangserver.nim	2023-05-25 14:56:51.320521779 +0200
+@@ -2,7 +2,7 @@
+   faststreams/asynctools_adapters, faststreams/inputs, faststreams/outputs,
+   json_rpc/streamconnection, os, sugar, sequtils, hashes, osproc,
+   suggestapi, protocol/enums, protocol/types, with, tables, strutils, sets,
+-  ./utils, ./pipes, chronicles, std/re, uri, "$nim/compiler/pathutils"
++  ./utils, ./pipes, chronicles, std/re, uri, "$lib/compiler/pathutils"
+ 
+ const
+   RESTART_COMMAND = "nimlangserver.restart"