[upstream_utils] Rework upstream_utils scripts (#6829)

upstream_utils/mpack.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+
+import os
+import shutil
+import subprocess
+
+from upstream_utils import (
+    get_repo_root,
+    clone_repo,
+    walk_cwd_and_copy_if,
+    git_am,
+    Lib,
+)
+
+
+def copy_upstream_src(wpilib_root):
+    wpiutil = os.path.join(wpilib_root, "wpiutil")
+
+    # Delete old install
+    for d in [
+        "src/main/native/thirdparty/mpack/src",
+        "src/main/native/thirdparty/mpack/include",
+    ]:
+        shutil.rmtree(os.path.join(wpiutil, d), ignore_errors=True)
+
+    # Run the amalgmation script
+    subprocess.check_call(["bash", "tools/amalgamate.sh"])
+
+    # Copy the files
+    amalgamation_source_dir = os.path.join(
+        ".", ".build", "amalgamation", "src", "mpack"
+    )
+    os.chdir(amalgamation_source_dir)
+
+    walk_cwd_and_copy_if(
+        lambda dp, f: f.endswith(".h"),
+        os.path.join(wpiutil, "src/main/native/thirdparty/mpack/include/wpi"),
+    )
+    walk_cwd_and_copy_if(
+        lambda dp, f: f.endswith(".c"),
+        os.path.join(wpiutil, "src/main/native/thirdparty/mpack/src"),
+    )
+
+
+def main():
+    name = "mpack"
+    url = "https://github.com/ludocode/mpack"
+    tag = "v1.1.1"
+
+    patch_list = [
+        "0001-Don-t-emit-inline-defs.patch",
+        "0002-Update-amalgamation-script.patch",
+        "0003-Use-namespace-for-C.patch",
+        "0004-Group-doxygen-into-MPack-module.patch",
+    ]
+
+    mpack = Lib(name, url, tag, patch_list, copy_upstream_src)
+    mpack.main()
+
+
+if __name__ == "__main__":
+    main()