write_path_list.py

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# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import buildconfig

import mozpack.path as mozpath

import mozshellutil

# Rewrite a newline-separated input file of mozbuild-style paths (i.e.

# "/"-prefixed denoting topsrcdir-relative and "!/"-prefixed denoting

# topobjdir-relative) into a shell-quoted list of absolute paths.

def write_paths(fh, path_list):

    def resolve_path(path):

        if path.startswith("/"):

            return mozpath.join(buildconfig.topsrcdir, path[1:])

        if path.startswith("!/"):

            return mozpath.join(buildconfig.topobjdir, path[2:])

        raise ValueError(f'Unsupported path "{path}"')

    with open(path_list) as path_list_file:

        paths = [

            mozpath.normpath(resolve_path(p))

            for p in path_list_file.read().splitlines()

    fh.write(mozshellutil.quote(*paths))