Bundle the first-party Python scripting plugin

plugins/opencad-python/tools/stage-bundled.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+# Build the in-tree API v7 Python plugin and stage a complete plugin package.
+set -euo pipefail
+
+if [[ $# -lt 1 ]]; then
+  echo "usage: $0 <stage directory> [--debug] [--target <triple>]" >&2
+  exit 2
+fi
+
+stage_dir=$(python3 -c 'import os,sys; print(os.path.abspath(sys.argv[1]))' "$1")
+shift
+profile=release
+target=""
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --debug) profile=debug; shift ;;
+    --target)
+      [[ $# -ge 2 ]] || { echo "--target requires a triple" >&2; exit 2; }
+      target=$2
+      shift 2
+      ;;
+    *) echo "unknown option: $1" >&2; exit 2 ;;
+  esac
+done
+
+plugin_dir=$(cd "$(dirname "$0")/.." && pwd)
+ocs_repo=$(cd "$plugin_dir/../.." && pwd)
+cd "$plugin_dir"
+
+build_args=(build --locked --features experimental-host-model)
+[[ $profile == release ]] && build_args+=(--release)
+[[ -n $target ]] && build_args+=(--target "$target")
+cargo "${build_args[@]}"
+
+case "$(uname -s)" in
+  Darwin) library="libopencad_python.dylib" ;;
+  Linux) library="libopencad_python.so" ;;
+  MINGW*|MSYS*|CYGWIN*) library="opencad_python.dll" ;;
+  *) echo "unsupported platform" >&2; exit 2 ;;
+esac
+
+target_dir="$plugin_dir/target"
+[[ -n $target ]] && target_dir="$target_dir/$target"
+source_library="$target_dir/$profile/$library"
+[[ -f $source_library ]] || { echo "build did not produce $source_library" >&2; exit 1; }
+
+mkdir -p "$stage_dir"
+cp "$source_library" "$stage_dir/$library"
+python3 - "$stage_dir/plugin.toml" "$(rustc --version)" "$ocs_repo/Cargo.lock" <<'PY'
+from pathlib import Path
+import re
+import sys
+
+def acadrust_source(path):
+    packages = re.findall(r"(?ms)^\[\[package\]\]\n(.*?)(?=^\[\[package\]\]|\Z)", Path(path).read_text())
+    sources = []
+    for package in packages:
+        if re.search(r'^name = "acadrust"$', package, re.M):
+            match = re.search(r'^source = "([^"]+)"$', package, re.M)
+            if match:
+                sources.append(match.group(1))
+    if len(sources) != 1:
+        raise SystemExit(f"expected one acadrust source in {path}, found {len(sources)}")
+    return sources[0]
+
+manifest = Path("plugin.toml").read_text()
+if "api_version = 7" not in manifest:
+    raise SystemExit("bundled plugin.toml must target API v7")
+manifest = manifest.replace("__RUSTC_VERSION__", sys.argv[2])
+manifest = manifest.replace("__ACADRUST_SOURCE__", acadrust_source(sys.argv[3]))
+if "__" in manifest:
+    raise SystemExit("unresolved manifest placeholder")
+Path(sys.argv[1]).write_text(manifest)
+PY
+echo "Staged bundled API v7 plugin in $stage_dir"