add package policy

2 files changed, 14 insertions, 0 deletions

diff --git a/xmake/core/package/package.lua b/xmake/core/package/package.lua
index 6862d320b..7126a2619 100644
--- a/xmake/core/package/package.lua
+++ b/xmake/core/package/package.lua
@@ -485,6 +485,10 @@ end
 
 -- is fetch only?
 function _instance:is_fetchonly()
+    local project = package._project()
+    if project and project.policy("package.fetch_only") then
+        return true
+    end
     return self:get("fetch") and not self:get("install")
 end
 
@@ -1466,6 +1470,12 @@ function _instance:fetch(opt)
         return fetchinfo
     end
 
+    -- install only?
+    local project = package._project()
+    if project and project.policy("package.install_only") then
+        return
+    end
+
     -- fetch the require version
     local require_ver = opt.version or self:requireinfo().version
     if not self:is_thirdparty() and not require_ver:find('.', 1, true) then
diff --git a/xmake/core/project/policy.lua b/xmake/core/project/policy.lua
index 775ecef63..e8921cefb 100644
--- a/xmake/core/project/policy.lua
+++ b/xmake/core/project/policy.lua
@@ -53,6 +53,10 @@ function policy.policies()
             ["package.requires_lock"]            = {description = "Enable xmake-requires.lock to lock required packages.", default = false, type = "boolean"},
             -- enable the precompiled packages, it will be enabled by default
             ["package.precompiled"]              = {description = "Enable precompiled packages.", default = true, type = "boolean"},
+            -- only fetch packages on system
+            ["package.fetch_only"]               = {description = "Only fetch packages on system.", type = "boolean"},
+            -- only install packages from remote
+            ["package.install_only"]             = {description = "Only install packages from remote.", type = "boolean"},
             -- inherit the configs from the external command arguments, e.g. toolchains, `xmake f --toolchain=`
             ["package.inherit_external_configs"] = {description = "Inherit the configs from the external command arguments.", default = true, type = "boolean"}
         }