From cc14adda0766246daa3c0fdd51f112d06cedf22d Mon Sep 17 00:00:00 2001
From: Folke Lemaitre <folke.lemaitre@gmail.com>
Date: Mon, 24 Jun 2024 14:31:26 +0200
Subject: [PATCH] feat(build): set `vim.env.LAZY_BUILD_DIR` to plugin dir
 before building

---
 lua/lazy/manage/task/plugin.lua | 46 ++++++++++++++++++---------------
 1 file changed, 25 insertions(+), 21 deletions(-)

diff --git a/lua/lazy/manage/task/plugin.lua b/lua/lazy/manage/task/plugin.lua
index cd01a2514..cf826ee8c 100644
--- a/lua/lazy/manage/task/plugin.lua
+++ b/lua/lazy/manage/task/plugin.lua
@@ -79,28 +79,32 @@ M.build = {
 
     builders = builders or get_build_file(self.plugin)
 
-    if builders then
-      builders = type(builders) == "table" and builders or { builders }
-      ---@cast builders (string|fun(LazyPlugin))[]
-      for _, build in ipairs(builders) do
-        if type(build) == "function" then
-          self:async(function()
-            build(self.plugin)
-          end)
-        elseif build == "rockspec" then
-          B.rockspec(self)
-        elseif build:sub(1, 1) == ":" then
-          B.cmd(self, build)
-        elseif build:match("%.lua$") then
-          local file = self.plugin.dir .. "/" .. build
-          local chunk, err = loadfile(file)
-          if not chunk or err then
-            error(err)
-          end
-          self:async(chunk)
-        else
-          B.shell(self, build)
+    if not builders then
+      return
+    end
+
+    vim.env.LAZY_BUILD_DIR = self.plugin.dir
+
+    builders = type(builders) == "table" and builders or { builders }
+    ---@cast builders (string|fun(LazyPlugin))[]
+    for _, build in ipairs(builders) do
+      if type(build) == "function" then
+        self:async(function()
+          build(self.plugin)
+        end)
+      elseif build == "rockspec" then
+        B.rockspec(self)
+      elseif build:sub(1, 1) == ":" then
+        B.cmd(self, build)
+      elseif build:match("%.lua$") then
+        local file = self.plugin.dir .. "/" .. build
+        local chunk, err = loadfile(file)
+        if not chunk or err then
+          error(err)
         end
+        self:async(chunk)
+      else
+        B.shell(self, build)
       end
     end
   end,