add longpaths

4 files changed, 52 insertions, 6 deletions

diff --git a/xmake/core/package/package.lua b/xmake/core/package/package.lua
index fd9ef0d6c..dbe2da3c5 100644
--- a/xmake/core/package/package.lua
+++ b/xmake/core/package/package.lua
@@ -38,6 +38,7 @@ local memcache       = require("cache/memcache")
 local toolchain      = require("tool/toolchain")
 local sandbox        = require("sandbox/sandbox")
 local config         = require("project/config")
+local policy         = require("project/policy")
 local platform       = require("platform/platform")
 local platform_menu  = require("platform/menu")
 local language       = require("language/language")
@@ -299,6 +300,24 @@ function _instance:revision(url_alias)
     end
 end
 
+-- get the package policy
+function _instance:policy(name)
+    local policies = self._POLICIES
+    if not policies then
+        policies = self:get("policy")
+        self._POLICIES = policies
+        if policies then
+            local defined_policies = policy.policies()
+            for name, _ in pairs(policies) do
+                if not defined_policies[name] then
+                    utils.warning("unknown policy(%s), please run `xmake l core.project.policy.policies` if you want to all policies", name)
+                end
+            end
+        end
+    end
+    return policy.check(name, policies and policies[name])
+end
+
 -- get the package kind
 --
 -- - binary
@@ -1617,8 +1636,10 @@ function package.apis()
         }
     ,   keyvalues =
         {
+            -- package.set_xxx
+            "package.set_policy"
             -- package.add_xxx
-            "package.add_patches"
+        ,   "package.add_patches"
         ,   "package.add_resources"
         }
     ,   dictionary =
diff --git a/xmake/core/project/policy.lua b/xmake/core/project/policy.lua
index 7a9d3a03d..7040182a2 100644
--- a/xmake/core/project/policy.lua
+++ b/xmake/core/project/policy.lua
@@ -42,7 +42,9 @@ function policy.policies()
             -- we will check the compatibility of target and package licenses
             ["check.target_package_licenses"]    = {description = "Enable check the compatibility of target and package licenses.", default = true, type = "boolean"},
             -- we can compile the source files for each target in parallel
-            ["build.across_targets_in_parallel"] = {description = "Enable compile the source files for each target in parallel.", default = true, type = "boolean"}
+            ["build.across_targets_in_parallel"] = {description = "Enable compile the source files for each target in parallel.", default = true, type = "boolean"},
+            -- we need enable longpaths when building target or installing package
+            ["platform.longpaths"]               = {description = "Enable long paths when building target or installing package on windows.", default = false, type = "boolean"}
         }
         policy._POLICIES = policies
     end
diff --git a/xmake/modules/devel/git/submodule/update.lua b/xmake/modules/devel/git/submodule/update.lua
index b75e391ca..5d9323a02 100644
--- a/xmake/modules/devel/git/submodule/update.lua
+++ b/xmake/modules/devel/git/submodule/update.lua
@@ -31,7 +31,7 @@ import("lib.detect.find_tool")
 -- import("devel.git.submodule")
 --
 -- submodule.update({repodir = "/tmp/xmake", init = true, remote = true})
--- submodule.update({repodir = "/tmp/xmake", recursive = true, reference = "xxx", paths = "xxx"})
+-- submodule.update({repodir = "/tmp/xmake", recursive = true, longpaths = true, reference = "xxx", paths = "xxx"})
 --
 -- @endcode
 --
@@ -64,9 +64,29 @@ function main(opt)
         oldir = os.cd(opt.repodir)
     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"}) end}
+        if not longpaths_old or not longpaths_old:find("true") then
+            os.vrunv(git.program, {"config", "--global", "core.longpaths", "true"})
+            longpaths_changed = true
+        end
+    end
+
     -- submodule it
     os.vrunv(git.program, argv)
 
+    -- 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"})
+        else
+            os.vrunv(git.program, {"config", "--global", "--unset", "core.longpaths"})
+        end
+    end
+
     -- leave repository directory
     if oldir then
         os.cd(oldir)
diff --git a/xmake/modules/private/action/require/impl/actions/download.lua b/xmake/modules/private/action/require/impl/actions/download.lua
index ac90a752f..01d75025c 100644
--- a/xmake/modules/private/action/require/impl/actions/download.lua
+++ b/xmake/modules/private/action/require/impl/actions/download.lua
@@ -59,25 +59,28 @@ function _checkout(package, url, sourcedir, url_alias)
     -- remove temporary directory
     os.rm(sourcedir .. ".tmp")
 
+    -- we need enable longpaths on windows
+    local longpaths = package:policy("platform.longpaths")
+
     -- download package from branches?
     packagedir = path.join(sourcedir .. ".tmp", package:name())
     if package:branch() then
 
         -- only shadow clone this branch
-        git.clone(url, {depth = 1, recursive = true, longpaths = true, branch = package:branch(), outputdir = packagedir})
+        git.clone(url, {depth = 1, recursive = true, longpaths = longpaths, branch = package:branch(), outputdir = packagedir})
 
     -- download package from revision or tag?
     else
 
         -- clone whole history and tags
-        git.clone(url, {longpaths = true, outputdir = packagedir})
+        git.clone(url, {longpaths = longpaths, outputdir = packagedir})
 
         -- attempt to checkout the given version
         local revision = package:revision(url_alias) or package:tag() or package:version_str()
         git.checkout(revision, {repodir = packagedir})
 
         -- update all submodules
-        git.submodule.update({init = true, recursive = true, repodir = packagedir})
+        git.submodule.update({init = true, recursive = true, longpaths = longpaths, repodir = packagedir})
     end
 
     -- move to source directory