fix local deps for cargo #4222

1 files changed, 22 insertions, 0 deletions

diff --git a/xmake/modules/package/manager/cargo/install_package.lua b/xmake/modules/package/manager/cargo/install_package.lua
index c7649ccde..ca9706643 100644
--- a/xmake/modules/package/manager/cargo/install_package.lua
+++ b/xmake/modules/package/manager/cargo/install_package.lua
@@ -24,6 +24,27 @@ import("core.project.config")
 import("lib.detect.find_tool")
 import("private.tools.rust.check_target")
 
+-- translate local path in dependencies
+-- @see https://github.com/xmake-io/xmake/issues/4222
+-- https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html
+--
+-- e.g.
+-- [dependencies]
+-- hello_utils = { path = "./hello_utils", version = "0.1.0" }
+--
+-- [dependencies.my_lib]
+-- path = "../my_lib"
+function _translate_local_path_in_deps(cargotoml, rootdir)
+    local content = io.readfile(cargotoml)
+    content = content:gsub("path%s+=%s+\"(.-)\"", function (localpath)
+        if not path.is_absolute(localpath) then
+            localpath = path.absolute(localpath, rootdir)
+        end
+        return "path = \"" .. localpath .. "\""
+    end)
+    io.writefile(cargotoml, content)
+end
+
 -- install package
 --
 -- e.g.
@@ -65,6 +86,7 @@ function main(name, opt)
     if configs.cargo_toml then
         assert(os.isfile(configs.cargo_toml), "%s not found!", configs.cargo_toml)
         os.cp(configs.cargo_toml, cargotoml)
+        _translate_local_path_in_deps(cargotoml, path.directory(configs.cargo_toml))
         -- we need add `[workspace]` to prevent cargo from searching up for a parent.
         -- https://github.com/rust-lang/cargo/issues/10534#issuecomment-1087631050
         local tomlfile = io.open(cargotoml, "a")