Merge pull request #230782 from lilyinstarlight/feature/node-aliases-better

pkgs: lib: self: super:

### Deprecated aliases - for backward compatibility

###

### !!! NOTE !!!

### Use `./remove-attr.py [attrname]` in this directory to remove your alias

### from the `nodePackages` set without regenerating the entire file.

with self;

#!/usr/bin/env nix-shell

#!nix-shell -i python3 -p

import collections.abc

import fileinput

import json

import os.path

import re

import sys

def remove(attr):

    with open(os.path.join(os.path.dirname(__file__), 'node-packages.json'), 'r+') as node_packages_json:

        packages = json.load(node_packages_json)

        idx = 0

        while idx < len(packages):

            if packages[idx] == attr or (isinstance(packages[idx], collections.abc.Mapping) and next(iter(packages[idx].keys())) == attr):

                del packages[idx]

            else:

                idx += 1

        node_packages_json.seek(0)

        for idx, package in enumerate(packages):

            if idx == 0:

                node_packages_json.write('[\n  ')

            else:

                node_packages_json.write(', ')

            json.dump(package, node_packages_json)

            node_packages_json.write('\n')

        node_packages_json.write(']\n')

        node_packages_json.truncate()

    with fileinput.input(os.path.join(os.path.dirname(__file__), 'node-packages.nix'), inplace=1) as node_packages:

        safe_attr = re.escape(attr)

        in_attr = False

        for line in node_packages:

            if in_attr:

                if re.fullmatch(r'  \};\n', line):

                    in_attr = False

            else:

                if re.fullmatch(rf'  (?:{safe_attr}|"{safe_attr}") = nodeEnv\.buildNodePackage \{{\n', line):

                    in_attr = True

                else:

                    sys.stdout.write(line)

if __name__ == '__main__':

    import argparse

    parser = argparse.ArgumentParser(description='Remove a given package from the node-packages.nix file')

    parser.add_argument('attr', help='The package attribute to remove')

    args = parser.parse_args()

    remove(args.attr)