44 lines
2.3 KiB
Python
44 lines
2.3 KiB
Python
#!/usr/bin/env python3
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"""Resolve a published SkiaSharp tag and its Skia gitlink to immutable commits."""
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import argparse, json, re, subprocess, tempfile
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from pathlib import Path
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import xml.etree.ElementTree as ET
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def git(*args):
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return subprocess.check_output(["git", *args], text=True).strip()
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p = argparse.ArgumentParser()
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p.add_argument("--version", default="")
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p.add_argument("--output", default="build/linux-toolchain/release.lock.json")
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a = p.parse_args()
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root = ET.parse("NuGet/StaticGraphics/StaticLink.Avalonia.csproj").getroot()
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current = next(x.attrib["Version"] for x in root.findall(".//PackageReference") if x.attrib.get("Include") == "SkiaSharp")
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version = a.version or current
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if not re.fullmatch(r"\d+\.\d+\.\d+", version) or version.split(".")[0] != current.split(".")[0]:
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raise SystemExit("Only stable versions from this branch's SkiaSharp major are allowed")
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if current.startswith("2.") and version != "2.88.9":
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raise SystemExit("SkiaSharp 2 is frozen at 2.88.9")
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base, revision = root.findtext(".//Version").rsplit(".", 1)
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angle = base.split("-", 1)[1]
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# ANGLE remains fixed: changing SkiaSharp must not silently change its toolchain.
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profile = json.loads(Path("build/linux-toolchain/sources.lock.json").read_text())
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if profile["angle_branch"] != angle:
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raise SystemExit("ANGLE branch does not match the source lock")
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remote = "https://github.com/mono/SkiaSharp.git"
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refs = git("ls-remote", "--tags", remote, f"refs/tags/v{version}", f"refs/tags/v{version}^{{}}")
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if not refs:
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raise SystemExit(f"No immutable upstream release tag for {version}; refusing a moving branch")
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lines = refs.splitlines()
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commit = next((x.split()[0] for x in lines if x.endswith("^{}")), lines[0].split()[0])
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with tempfile.TemporaryDirectory() as tmp:
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git("init", "-q", tmp)
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git("-C", tmp, "fetch", "-q", "--depth=1", remote, commit)
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tree = git("-C", tmp, "ls-tree", "FETCH_HEAD", "externals/skia")
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mode, kind, skia, name = tree.split()
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if mode != "160000" or kind != "commit":
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raise SystemExit("Skia source is not a pinned git submodule")
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profile.update(skiasharp_version=version, skiasharp_revision=commit, skia_revision=skia)
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Path(a.output).write_text(json.dumps(profile, indent=2) + "\n")
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package = f"{version}-{angle}.{revision}"
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print(json.dumps({"skiasharp_version": version, "package_version": package, "lock": profile}))
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