Geoffrey Frogeye
17f0ba3370
Put most of it as a flake app, so we can mess with it without relying on `rb` being rebuilt. Also nom nom!
63 lines
1.8 KiB
Python
Executable file
63 lines
1.8 KiB
Python
Executable file
import argparse
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import json
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import os
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import subprocess
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GET_INPUTS_CMD = [
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"nix-instantiate",
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"--eval",
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"--json", # This parser is stupid, better provide it with pre-eaten stuff
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"--expr",
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"builtins.fromJSON (builtins.toJSON (import ./flake.nix).inputs)",
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]
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def process_flake(flakeUri: str) -> None:
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# get full path
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flakeUri = os.path.normpath(flakeUri)
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flakeFile = os.path.join(flakeUri, "flake.nix")
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if not os.path.isfile(flakeFile):
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raise FileNotFoundError(f"Flake not found: {flakeUri}")
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# import dependencies
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p = subprocess.run(GET_INPUTS_CMD, cwd=flakeUri, stdout=subprocess.PIPE)
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deps = json.loads(p.stdout)
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p.check_returncode()
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# for each dependency
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for dep_name, dep in deps.items():
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dep_url = dep["url"]
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# if not local path, continue
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if not (
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dep_url.startswith("path:")
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or dep_url.startswith("git+file:")
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):
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continue
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if dep.get("flake", True):
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# get flake file corresponding
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dep_path = dep_url.split(":")[1]
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if not dep_path.startswith("/"):
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dep_path = os.path.join(flakeUri, dep_path)
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process_flake(dep_path)
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# update lockfile
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cmd = [
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"nix",
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"--extra-experimental-features",
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"nix-command",
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"--extra-experimental-features",
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"flakes",
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"flake",
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"update",
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dep_name,
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]
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p = subprocess.run(cmd, cwd=flakeUri)
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p.check_returncode()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description="Recursively update lockfiles "
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"of flakes located on the system"
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)
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parser.add_argument("flake", help="Starting flake", default="/")
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args = parser.parse_args()
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process_flake(args.flake)
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