From 774980f0d1a660d3f33c97c2fe4d31fb5128f59e Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Tue, 14 Jan 2025 00:44:52 +0800
Subject: [PATCH] support sparse-checkout for git

---
 xmake/core/package/package.lua                         | 10 +++++++++-
 xmake/modules/devel/git/checkout.lua                   | 10 +++++++++-
 .../private/action/require/impl/actions/download.lua   | 10 +++++-----
 3 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/xmake/core/package/package.lua b/xmake/core/package/package.lua
index f7b49db3897..9c505fdb5f8 100644
--- a/xmake/core/package/package.lua
+++ b/xmake/core/package/package.lua
@@ -351,11 +351,19 @@ function _instance:url_version(url)
     return self:extraconf("urls", url, "version")
 end
 
--- get the excludes list of url for the archive extractor, @note need raw url
+-- get the excludes paths of url
+-- @note it supports the path pattern, but it only supports for archiver.
 function _instance:url_excludes(url)
     return self:extraconf("urls", url, "excludes")
 end
 
+-- get the includes paths of url
+-- @note it does not support the path pattern, and it only supports for git url now.
+-- @see https://github.com/xmake-io/xmake/issues/6071
+function _instance:url_includes(url)
+    return self:extraconf("urls", url, "includes")
+end
+
 -- get the http headers of url, @note need raw url
 function _instance:url_http_headers(url)
     return self:extraconf("urls", url, "http_headers")
diff --git a/xmake/modules/devel/git/checkout.lua b/xmake/modules/devel/git/checkout.lua
index 61919e4229f..38cc11845c7 100644
--- a/xmake/modules/devel/git/checkout.lua
+++ b/xmake/modules/devel/git/checkout.lua
@@ -20,6 +20,7 @@
 
 -- imports
 import("core.base.option")
+import("core.base.semver")
 import("lib.detect.find_tool")
 
 -- checkout to given branch, tag or commit
@@ -38,7 +39,7 @@ import("lib.detect.find_tool")
 --
 function main(commit, opt)
     opt = opt or {}
-    local git = assert(find_tool("git"), "git not found!")
+    local git = assert(find_tool("git", {version = true}), "git not found!")
     local argv = {}
     if opt.fsmonitor then
         table.insert(argv, "-c")
@@ -48,6 +49,13 @@ function main(commit, opt)
         table.insert(argv, "core.fsmonitor=false")
     end
 
+    -- @see https://github.com/xmake-io/xmake/issues/6071
+    -- https://github.blog/open-source/git/bring-your-monorepo-down-to-size-with-sparse-checkout/
+    if opt.includes and git.version and semver.compare(git.version, "2.25") >= 0 then
+        os.vrunv(git.program, {"sparse-checkout", "init", "--cone"}, {curdir = opt.repodir})
+        os.vrunv(git.program, table.join({"sparse-checkout", "set"}, opt.includes), {curdir = opt.repodir})
+    end
+
     table.insert(argv, "checkout")
     table.insert(argv, commit)
     os.vrunv(git.program, argv, {curdir = opt.repodir})
diff --git a/xmake/modules/private/action/require/impl/actions/download.lua b/xmake/modules/private/action/require/impl/actions/download.lua
index 9e04d07a982..dca9d7545d4 100644
--- a/xmake/modules/private/action/require/impl/actions/download.lua
+++ b/xmake/modules/private/action/require/impl/actions/download.lua
@@ -125,7 +125,7 @@ function _checkout(package, url, sourcedir, opt)
             git.clone(url, {treeless = true, checkout = false, longpaths = longpaths, outputdir = packagedir})
 
             -- attempt to checkout the given version
-            git.checkout(revision, {repodir = packagedir})
+            git.checkout(revision, {repodir = packagedir, includes = opt.url_includes})
 
             -- update all submodules
             if os.isfile(path.join(packagedir, ".gitmodules")) and opt.url_submodules ~= false then
@@ -260,11 +260,7 @@ end
 
 -- download codes from script
 function _download_from_script(package, script, opt)
-
-    -- do download
     script(package, opt)
-
-    -- trace
     tty.erase_line_to_start().cr()
     cprint("${yellow}  => ${clear}download %s .. ${color.success}${text.success}", opt.url)
 end
@@ -314,6 +310,7 @@ function main(package, opt)
     for idx, url in ipairs(urls) do
         local url_alias = package:url_alias(url)
         local url_excludes = package:url_excludes(url)
+        local url_includes = package:url_includes(url)
         local url_http_headers = package:url_http_headers(url)
         local url_submodules = package:extraconf("urls", url, "submodules")
 
@@ -349,16 +346,19 @@ function main(package, opt)
                         url = url,
                         url_alias = url_alias,
                         url_excludes = url_excludes,
+                        url_includes = url_includes,
                         url_submodules = url_submodules})
                 elseif git.checkurl(url) then
                     _checkout(package, url, sourcedir, {
                         url_alias = url_alias,
+                        url_includes = url_includes,
                         url_submodules = url_submodules})
                 else
                     _download(package, url, sourcedir, {
                         download_only = opt.download_only,
                         url_alias = url_alias,
                         url_excludes = url_excludes,
+                        url_includes = url_includes,
                     url_http_headers = url_http_headers})
                 end
                 return true