decbench-cpp-qualification / qualification-v2 /recipes /scripts /prepare_qualification_sources.py
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Make the unchanged 45-image qualification pilot available on main
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#!/usr/bin/env python3
"""Package exactly pinned tracked source trees and record gitlink dependencies."""
import argparse, json, subprocess
from pathlib import Path
def main():
ap = argparse.ArgumentParser()
ap.add_argument("--root", type=Path, required=True)
ap.add_argument("--plan", type=Path, required=True)
a = ap.parse_args()
r = a.root.resolve()
p = json.loads(a.plan.read_text())
seen = set()
for c in p["cells"]:
name = c["project"]
rev = c["source_revision"]
repo = c["source_repository"]
if name in seen or not repo or not rev:
continue
seen.add(name)
src = r / "sources" / name
if not src.exists():
for cmd in [
["git", "init", "-q", str(src)],
[
"git",
"-C",
str(src),
"remote",
"add",
"origin",
"https://github.com/" + repo + ".git",
],
["git", "-C", str(src), "fetch", "-q", "--depth", "1", "origin", rev],
["git", "-C", str(src), "checkout", "-q", "FETCH_HEAD"],
]:
subprocess.run(cmd, check=True)
actual = subprocess.check_output(
["git", "-C", str(src), "rev-parse", "HEAD"], text=True
).strip()
assert actual == rev
out = r / "staged/qualification-v2/sources" / name
out.mkdir(parents=True, exist_ok=True)
subprocess.run(
[
"git",
"-C",
str(src),
"archive",
"--format=tar.gz",
"--output",
str(out / "original.tar.gz"),
"HEAD",
],
check=True,
)
gitlinks = []
for line in subprocess.check_output(
["git", "-C", str(src), "ls-tree", "-r", "HEAD"], text=True
).splitlines():
meta, path = line.split("\t", 1)
if meta.startswith("160000 "):
gitlinks.append({"path": path, "commit": meta.split()[2]})
(out / "provenance.json").write_text(
json.dumps(
{
"repository": repo,
"revision": rev,
"tracked_source_tree": True,
"gitlinks": gitlinks,
"note": "git archive contains tracked main-tree files. Gitlink content requires separate dependency fetching; preprocessed TUs preserve compiled expansions.",
},
indent=2,
)
)
print(name, rev, flush=True)
if __name__ == "__main__":
main()