From 528971ff1ad33097e89aa00161d44e8c6dd5fbf1 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 15 Jul 2021 00:37:16 +0800
Subject: improve xrepo env

---
 xmake/core/base/os.lua                     |  1 -
 xmake/modules/private/xrepo/action/env.lua | 24 +++++++++++++++++++++++-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/xmake/core/base/os.lua b/xmake/core/base/os.lua
index 2b8773163..e9f403d92 100644
--- a/xmake/core/base/os.lua
+++ b/xmake/core/base/os.lua
@@ -260,7 +260,6 @@ function os._remove_repeat_pathenv(value)
     return value
 end
 
-
 -- match files or directories
 --
 -- @param pattern   the search pattern
diff --git a/xmake/modules/private/xrepo/action/env.lua b/xmake/modules/private/xrepo/action/env.lua
index 1db5c4564..2a6d9760d 100644
--- a/xmake/modules/private/xrepo/action/env.lua
+++ b/xmake/modules/private/xrepo/action/env.lua
@@ -156,6 +156,24 @@ function _enter_project()
     config.load()
 end
 
+-- remove repeat environment values
+function _remove_repeat_pathenv(value)
+    if value then
+        local itemset = {}
+        local results = {}
+        for _, item in ipairs(path.splitenv(value)) do
+            if not itemset[item] then
+                table.insert(results, item)
+                itemset[item] = true
+            end
+        end
+        if #results > 0 then
+            value = path.joinenv(results)
+        end
+    end
+    return value
+end
+
 -- add values to environment variable
 function _addenvs(envs, name, ...)
     local values = {...}
@@ -246,7 +264,11 @@ function _package_getenvs()
             end
         end
     end
-    return envs
+    local results = {}
+    for k, v in pairs(envs) do
+        results[k] = _remove_repeat_pathenv(v)
+    end
+    return results
 end
 
 -- get environment setting script
-- 
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