feat: add rust packing methods

Signed-off-by: sisungo <[email protected]>

lib/cpp.py

@@ -21,7 +21,7 @@ def make_install(rem: list[str] | None = None, chdir: bool = True):
 
 
 def _do_auto_pack(pc: pkgcomposer.PkgComposer, srcdir: str, dstdir: str, filter):
-    pc.makedir(srcdir)
+    pc.makedir(dstdir)
     with os.scandir(srcdir) as entries:
         for ent in entries:
             if filter(ent):

lib/rust.py

@@ -0,0 +1,60 @@
+import os
+import subprocess
+
+from . import arch, make, pkgcomposer
+
+
+def _rust_triple(semios: str) -> str:
+    return semios.replace("-semios-linux", "-unknown-linux-musl")
+
+
+def build(rem: list[str] = []):
+    cmdline = [
+        "cargo",
+        "build",
+        "--release",
+        "--target",
+        _rust_triple(arch.get_target()),
+    ] + rem
+    os.environ["RUSTFLAGS"] = (
+        os.environ.get("RUSTFLAGS", "") + " -C target-feature=-crt-static"
+    )
+    subprocess.run(cmdline)
+
+
+def _do_auto_pack(pc: pkgcomposer.PkgComposer, srcdir: str, dstdir: str, filter):
+    pc.makedir(dstdir)
+    with os.scandir(srcdir) as entries:
+        for ent in entries:
+            if filter(ent):
+                if ent.is_dir(follow_symlinks=False):
+                    pc.makedir(f"{dstdir}/{ent.name}")
+                elif ent.is_file(follow_symlinks=False):
+                    pc.addfile(ent.path, f"{dstdir}/{ent.name}")
+                elif ent.is_symlink() and not os.path.isabs(os.readlink(ent.path)):
+                    pc.addfile(ent.path, f"{dstdir}/{ent.name}")
+
+
+def _autopack_filter_lib(ent) -> bool:
+    if ent.is_dir(follow_symlinks=False):
+        return False
+    if ent.name.endswith(".so"):
+        return True
+    else:
+        return False
+
+
+def _autopack_filter_bin(ent) -> bool:
+    return os.access(ent.path, os.X_OK) and ent.is_file(follow_symlinks=False)
+
+
+def _auto_pack(profiles: list[str], pc: pkgcomposer.PkgComposer):
+    target_dir = f"target/{_rust_triple(arch.get_target())}/release"
+    if "lib" in profiles:
+        _do_auto_pack(pc, target_dir, "lib", _autopack_filter_lib)
+    if "bin" in profiles:
+        _do_auto_pack(pc, target_dir, "bin", _autopack_filter_bin)
+
+
+def use_auto_pack(profiles: list[str]):
+    make.on_pack(lambda pc: _auto_pack(profiles, pc))