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bherbruck
5f399207bf
assets/locales/ belongs to no crate, so affected.py selected the full workspace (every crate, all four test shards) for a catalog-only PR. Only solidcraft-ui-egui embeds the catalogs and xtask checks them; map the folder to those two packages and their dependents. Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
113 lines
4.2 KiB
Python
113 lines
4.2 KiB
Python
#!/usr/bin/env python3
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"""Select the workspace packages a pull request affects.
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Usage: affected.py --paths FILE [--metadata FILE] [--github-output FILE]
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FILE holds the changed paths relative to the repository root, separated by NUL (git diff -z);
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"-" reads standard input. --metadata is the output of `cargo metadata --no-deps
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--format-version 1` (run on demand when omitted).
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Prints and optionally appends to $GITHUB_OUTPUT:
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full=true|false test the whole workspace
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packages=a b c the affected packages (empty when full, or when nothing needs building)
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A changed file maps to the package whose directory holds it. The packages that depend on those
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(directly or not, dev-dependencies included) are added. Anything that can change every package,
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or that no package owns, selects the full workspace. Only documentation and packaging files are
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ignored.
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"""
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import argparse
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import json
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import subprocess
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import sys
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# Changes here can affect every package.
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FULL_PREFIXES = (".cargo/", ".config/", ".github/", "vendor/", "tests/", "scripts/")
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FULL_FILES = ("Cargo.toml", "Cargo.lock")
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# Changes here affect no code: documentation and packaging.
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IGNORED_PREFIXES = ("docs/", "packaging/")
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# Root files that a crate embeds (include_str!), so they are not ignorable documentation.
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EMBEDDED = {"ATTRIBUTION.md": "solidcraft-ui-egui"}
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# Asset folders that only some packages read: the UI embeds the catalogs, xtask checks them.
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EMBEDDED_PREFIXES = {"assets/locales/": ("solidcraft-ui-egui", "xtask")}
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def load_metadata(path):
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if path:
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with open(path, encoding="utf-8") as f:
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return json.load(f)
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out = subprocess.run(
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["cargo", "metadata", "--no-deps", "--format-version", "1", "--locked"],
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check=True, capture_output=True, text=True,
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).stdout
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return json.loads(out)
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def read_paths(src):
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data = sys.stdin.buffer.read() if src == "-" else open(src, "rb").read()
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return [p.decode() for p in data.split(b"\0") if p]
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def select(meta, paths):
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"""Return (full, sorted package names)."""
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root = meta["workspace_root"].rstrip("/") + "/"
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pkgs = {}
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for p in meta["packages"]:
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manifest = p["manifest_path"]
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assert manifest.startswith(root), manifest
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pkgs[p["name"]] = manifest[len(root):].rsplit("/", 1)[0] + "/"
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by_dir = {d: n for n, d in pkgs.items()}
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# Reverse dependencies inside the workspace, matched by the dependency's path.
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dependents = {n: set() for n in pkgs}
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for p in meta["packages"]:
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for d in p["dependencies"]:
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path = d.get("path")
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if not path:
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continue
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rel = path.rstrip("/") + "/"
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target = by_dir.get(rel[len(root):]) if rel.startswith(root) else None
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if target:
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dependents[target].add(p["name"])
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hit = set()
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for path in paths:
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if path in FULL_FILES or path.startswith(FULL_PREFIXES) or path.startswith("rust-toolchain"):
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return True, []
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owners = [d for d in by_dir if path.startswith(d)]
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if owners:
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hit.add(by_dir[max(owners, key=len)])
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elif path in EMBEDDED:
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hit.add(EMBEDDED[path])
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elif any(path.startswith(p) for p in EMBEDDED_PREFIXES):
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hit.update(next(v for p, v in EMBEDDED_PREFIXES.items() if path.startswith(p)))
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elif path.startswith(IGNORED_PREFIXES) or ("/" not in path and path.endswith(".md")):
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continue
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else:
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return True, [] # not owned by any package
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todo, seen = list(hit), set(hit)
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while todo:
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for dep in dependents[todo.pop()]:
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if dep not in seen:
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seen.add(dep)
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todo.append(dep)
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return False, sorted(seen)
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def main():
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ap = argparse.ArgumentParser()
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ap.add_argument("--paths", required=True)
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ap.add_argument("--metadata")
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ap.add_argument("--github-output")
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a = ap.parse_args()
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full, packages = select(load_metadata(a.metadata), read_paths(a.paths))
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lines = [f"full={'true' if full else 'false'}", f"packages={' '.join(packages)}"]
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print("\n".join(lines))
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if a.github_output:
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with open(a.github_output, "a", encoding="utf-8") as f:
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f.write("\n".join(lines) + "\n")
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if __name__ == "__main__":
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main()
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