47 lines
1.1 KiB
Python
Executable File
47 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env nix-shell
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#!nix-shell -i python3 -p nix-prefetch-git
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from dataclasses import dataclass
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import json
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import subprocess
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@dataclass
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class GitDependency:
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name: str
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url: str
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revision: str
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def get_git_deps(lock_data):
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for name, data in lock_data["packages"].items():
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if data["source"] == "git":
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desc = data["description"]
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yield GitDependency(
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name=name,
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url=desc["url"],
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revision=desc["resolved-ref"],
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)
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def nix_prefetch_git(url: str, rev: str):
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result = subprocess.run(
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["nix-prefetch-git", url, rev],
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check=True,
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text=True,
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stdout=subprocess.PIPE,
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)
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return json.loads(result.stdout)
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if __name__ == "__main__":
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with open("pubspec.lock.json") as lock_file:
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lock_data = json.load(lock_file)
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git_hashes = {}
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for dep in get_git_deps(lock_data):
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data = nix_prefetch_git(dep.url, dep.revision)
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git_hashes[dep.name] = data["hash"]
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with open("git-hashes.json", "w") as output_file:
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json.dump(git_hashes, output_file, indent=2)
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output_file.write("\n")
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