From c30d3a61ddf08e691ca1f4d2dc17bfe0dc33d85e Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Sun, 31 Mar 2024 22:27:29 +0800
Subject: [PATCH] enable longpaths for submodule/reset #4905

---
 xmake/modules/devel/git/submodule/reset.lua   | 24 +++++++++++++++----
 xmake/modules/devel/git/submodule/update.lua  |  4 ----
 .../action/require/impl/actions/download.lua  | 10 ++++----
 3 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/xmake/modules/devel/git/submodule/reset.lua b/xmake/modules/devel/git/submodule/reset.lua
index e0c7bf98da8..f3c5ca45a9e 100644
--- a/xmake/modules/devel/git/submodule/reset.lua
+++ b/xmake/modules/devel/git/submodule/reset.lua
@@ -36,11 +36,7 @@ import("lib.detect.find_tool")
 -- @endcode
 --
 function main(opt)
-
-    -- init options
     opt = opt or {}
-
-    -- find git
     local git = assert(find_tool("git"), "git not found!")
 
     -- init argv
@@ -79,6 +75,26 @@ function main(opt)
         table.insert(argv, opt.commit)
     end
 
+    -- enable long paths
+    local longpaths_old
+    local longpaths_changed = false
+    if opt.longpaths then
+        local longpaths_old = try {function () return os.iorunv(git.program, {"config", "--get", "--global", "core.longpaths"}, {curdir = opt.repodir}) end}
+        if not longpaths_old or not longpaths_old:find("true") then
+            os.vrunv(git.program, {"config", "--global", "core.longpaths", "true"}, {curdir = opt.repodir})
+            longpaths_changed = true
+        end
+    end
+
     -- reset it
     os.vrunv(git.program, argv, {curdir = opt.repodir})
+
+    -- restore old long paths configuration
+    if longpaths_changed then
+        if longpaths_old and longpaths_old:find("false") then
+            os.vrunv(git.program, {"config", "--global", "core.longpaths", "false"}, {curdir = opt.repodir})
+        else
+            os.vrunv(git.program, {"config", "--global", "--unset", "core.longpaths"}, {curdir = opt.repodir})
+        end
+    end
 end
diff --git a/xmake/modules/devel/git/submodule/update.lua b/xmake/modules/devel/git/submodule/update.lua
index ee24bffcfce..91f930b2d09 100644
--- a/xmake/modules/devel/git/submodule/update.lua
+++ b/xmake/modules/devel/git/submodule/update.lua
@@ -36,11 +36,7 @@ import("lib.detect.find_tool")
 -- @endcode
 --
 function main(opt)
-
-    -- init options
     opt = opt or {}
-
-    -- find git
     local git = assert(find_tool("git"), "git not found!")
 
     -- init argv
diff --git a/xmake/modules/private/action/require/impl/actions/download.lua b/xmake/modules/private/action/require/impl/actions/download.lua
index 0556e9f6a3a..988461e3660 100644
--- a/xmake/modules/private/action/require/impl/actions/download.lua
+++ b/xmake/modules/private/action/require/impl/actions/download.lua
@@ -38,6 +38,9 @@ import("utils.archive")
 function _checkout(package, url, sourcedir, opt)
     opt = opt or {}
 
+    -- we need to enable longpaths on windows
+    local longpaths = package:policy("platform.longpaths")
+
     -- use previous source directory if exists
     local packagedir = path.join(sourcedir, package:name())
     if os.isdir(path.join(packagedir, ".git")) and
@@ -50,7 +53,7 @@ function _checkout(package, url, sourcedir, opt)
         -- clean and reset submodules
         if os.isfile(path.join(packagedir, ".gitmodules")) then
             git.submodule.clean({repodir = packagedir, force = true, all = true})
-            git.submodule.reset({repodir = packagedir, hard = true})
+            git.submodule.reset({repodir = packagedir, hard = true, longpaths = longpaths})
         end
         tty.erase_line_to_start().cr()
         return
@@ -71,7 +74,7 @@ function _checkout(package, url, sourcedir, opt)
         git.reset({repodir = localdir, hard = true})
         if os.isfile(path.join(localdir, ".gitmodules")) then
             git.submodule.clean({repodir = localdir, force = true, all = true})
-            git.submodule.reset({repodir = localdir, hard = true})
+            git.submodule.reset({repodir = localdir, hard = true, longpaths = longpaths})
         end
         os.cp(localdir, packagedir)
         tty.erase_line_to_start().cr()
@@ -81,9 +84,6 @@ function _checkout(package, url, sourcedir, opt)
     -- remove temporary directory
     os.rm(sourcedir .. ".tmp")
 
-    -- we need to enable longpaths on windows
-    local longpaths = package:policy("platform.longpaths")
-
     -- download package from branches?
     packagedir = path.join(sourcedir .. ".tmp", package:name())
     local branch = package:branch()