Merge pull request #4221 from xmake-io/cargo

improve to install and find cargo packages #4214

2 files changed, 28 insertions, 23 deletions

diff --git a/xmake/modules/package/manager/cargo/find_package.lua b/xmake/modules/package/manager/cargo/find_package.lua
index 58064d9a9..b75182cec 100644
--- a/xmake/modules/package/manager/cargo/find_package.lua
+++ b/xmake/modules/package/manager/cargo/find_package.lua
@@ -87,31 +87,14 @@ end
 function _get_names_of_libraries(name, opt)
     local configs = opt.configs or {}
     local names = hashset.new()
-    if configs.cargo_toml then
-        local cargo = assert(find_tool("cargo"), "cargo not found!")
-        local cargo_args = {"metadata", "--format-version", "1", "--manifest-path", configs.cargo_toml, "--color", "never"}
-        local target = check_target(opt.arch, true) and opt.arch or nil
-        if target then
-            table.insert(cargo_args, "--filter-platform")
-            table.insert(cargo_args, target)
-        end
-        if configs.features then
-            table.insert(cargo_args, "--features")
-            table.insert(cargo_args, table.concat(configs.features, ","))
-        end
-        if configs.default_features == false then
-            table.insert(cargo_args, "--no-default-features")
-        end
-
-        local output = os.iorunv(cargo.program, cargo_args)
-        local metadata = json.decode(output)
+    local metadata_file = path.join(opt.installdir, "metadata.txt")
+    if configs.cargo_toml and os.isfile(metadata_file) then
+        local fileinfo = io.load(metadata_file)
+        local metadata = json.decode(fileinfo.metadata)
+        local metadata_without_deps = json.decode(fileinfo.metadata_without_deps)
 
-        -- fetch the direct dependencies list regradless of the target platform
-        table.insert(cargo_args, "--no-deps")
-        output = os.iorunv(cargo.program, cargo_args)
-        local metadata_no_deps = json.decode(output)
         -- FIXME: should consider the case of multiple packages in a workspace!
-        local direct_deps = metadata_no_deps.packages[1].dependencies
+        local direct_deps = metadata_without_deps.packages[1].dependencies
 
         -- get the intersection of the direct dependencies and all dependencies for the target platform
         for _, dep in ipairs(direct_deps) do
diff --git a/xmake/modules/package/manager/cargo/install_package.lua b/xmake/modules/package/manager/cargo/install_package.lua
index 9daa665cd..c7649ccde 100644
--- a/xmake/modules/package/manager/cargo/install_package.lua
+++ b/xmake/modules/package/manager/cargo/install_package.lua
@@ -143,4 +143,26 @@ target = "%s"
     else
         os.vcp(path.join(sourcedir, "target", opt.mode == "debug" and "debug" or "release", "deps"), path.join(installdir, "lib"))
     end
+
+    -- install metadata
+    argv = {"metadata", "--format-version", "1", "--manifest-path", cargotoml, "--color", "never"}
+    if target then
+        table.insert(argv, "--filter-platform")
+        table.insert(argv, target)
+    end
+    if configs.features then
+        table.insert(argv, "--features")
+        table.insert(argv, table.concat(configs.features, ","))
+    end
+    if configs.default_features == false then
+        table.insert(argv, "--no-default-features")
+    end
+
+    local metadata = os.iorunv(cargo.program, argv, {curdir = sourcedir})
+
+    -- fetch the direct dependencies list regradless of the target platform
+    table.insert(argv, "--no-deps")
+    local metadata_without_deps = os.iorunv(cargo.program, argv, {curdir = sourcedir})
+
+    io.save(path.join(installdir, "metadata.txt"), {metadata = metadata, metadata_without_deps = metadata_without_deps})
 end