Jonas Heinrich
09b737b901
- Generate cargo checksum files for vendored sources - Add checksums.json for build-time checksum creation - Update runtime to GNOME 49 for Rust 1.93+ support - Fix archive-type to tar-gzip for flatpak-builder Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
81 lines
2.2 KiB
Python
81 lines
2.2 KiB
Python
#!/usr/bin/env python3
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"""Generate Flatpak source entries for Cargo dependencies from Cargo.lock.
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Usage:
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python3 build-aux/flatpak-cargo-generator.py [Cargo.lock] \
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-o build-aux/cargo-sources.json
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"""
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import json
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import sys
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try:
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import tomllib
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except ImportError:
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try:
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import tomli as tomllib # pip install tomli
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except ImportError:
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print("Error: requires Python 3.11+ or the 'tomli' package", file=sys.stderr)
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sys.exit(1)
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CRATES_IO_DL = "https://static.crates.io/crates"
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REGISTRY_SOURCE = "registry+https://github.com/rust-lang/crates.io-index"
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def main() -> None:
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# Parse arguments
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lockfile = "Cargo.lock"
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output_file = None
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args = sys.argv[1:]
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i = 0
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while i < len(args):
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if args[i] == "-o" and i + 1 < len(args):
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output_file = args[i + 1]
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i += 2
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else:
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lockfile = args[i]
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i += 1
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with open(lockfile, "rb") as f:
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lock = tomllib.load(f)
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sources = []
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checksums = {}
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for pkg in lock.get("package", []):
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name = pkg["name"]
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version = pkg["version"]
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source = pkg.get("source", "")
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checksum = pkg.get("checksum")
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# Only vendor packages from crates.io (they have a checksum)
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if source == REGISTRY_SOURCE and checksum:
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dest = f"cargo-vendor/{name}-{version}"
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sources.append(
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{
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"type": "archive",
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"archive-type": "tar-gzip",
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"url": f"{CRATES_IO_DL}/{name}/{version}/download",
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"sha256": checksum,
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"dest": dest,
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}
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)
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checksums[f"{name}-{version}"] = checksum
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output = json.dumps(sources, indent=2)
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if output_file:
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with open(output_file, "w") as f:
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f.write(output)
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# Also write checksums file
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checksums_file = output_file.replace(".json", "-checksums.json")
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with open(checksums_file, "w") as f:
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json.dump(checksums, f)
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print(f"Generated {output_file} and {checksums_file}")
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else:
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print(output)
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if __name__ == "__main__":
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main()
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