From b82fb9c790d389ea66b45b79d4e73d0a1b8cf917 Mon Sep 17 00:00:00 2001
From: Alexandros Naskos <alex_naskos@hotmail.com>
Date: Mon, 25 May 2020 20:04:23 +0300
Subject: [PATCH] Added build_runner_path configuration option

---
 README.md      | 1 +
 src/config.zig | 4 ++++
 src/main.zig   | 8 +++++---
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index abf15c2..a85c752 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,7 @@ The following options are currently available.
 | `enable_snippets` | `bool` | `false` | Enables snippet completion, set to false for compatibility with language clients that do not support snippets (such as ale). |
 | `zig_lib_path` | `?[]const u8` | `null` | zig library path, e.g. `/path/to/zig/lib/zig`, used to analyze std library imports. |
 | `warn_style` | `bool` | `false` | Enables warnings for style *guideline* mismatches |
+| `build_runner_path` | `?[]const u8` | `null` | Path to the build_runner.zig file provided by zls. This option must be present in one of the global configuration files to have any effect. `null` is equivalent to `${executable_directory}/build_runner.zig` |
 
 ## Usage
 
diff --git a/src/config.zig b/src/config.zig
index 9a6cd13..c209875 100644
--- a/src/config.zig
+++ b/src/config.zig
@@ -9,3 +9,7 @@ zig_lib_path: ?[]const u8 = null,
 /// Whether to pay attention to style issues. This is opt-in since the style
 /// guide explicitly states that the style info provided is a guideline only.
 warn_style: bool = false,
+
+/// Path to the build_runner.zig file. This option must be present in one of
+/// the global configuration directories to have any effect.
+build_runner_path: ?[]const u8 = null,
diff --git a/src/main.zig b/src/main.zig
index ec0d373..f93abd1 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -924,12 +924,14 @@ pub fn main() anyerror!void {
         }
     }
 
-    {
+    if (config.build_runner_path) |build_runner_path| {
+        try document_store.init(allocator, has_zig, try std.mem.dupe(allocator, u8, build_runner_path));
+    } else {
         var exe_dir_bytes: [std.fs.MAX_PATH_BYTES]u8 = undefined;
         const exe_dir_path = try std.fs.selfExeDirPath(&exe_dir_bytes);
 
-        const document_runner_path = try std.fs.path.resolve(allocator, &[_][]const u8{ exe_dir_path, "build_runner.zig" });
-        try document_store.init(allocator, has_zig, document_runner_path);
+        const build_runner_path = try std.fs.path.resolve(allocator, &[_][]const u8{ exe_dir_path, "build_runner.zig" });
+        try document_store.init(allocator, has_zig, build_runner_path);
     }
 
     defer document_store.deinit();