mirror of
https://github.com/NixOS/nixpkgs.git
synced 2025-06-13 05:05:29 +03:00
374e6bcc40
Format all Nix files using the officially approved formatter,
making the CI check introduced in the previous commit succeed:
nix-build ci -A fmt.check
This is the next step of the of the [implementation](https://github.com/NixOS/nixfmt/issues/153)
of the accepted [RFC 166](https://github.com/NixOS/rfcs/pull/166).
This commit will lead to merge conflicts for a number of PRs,
up to an estimated ~1100 (~33%) among the PRs with activity in the past 2
months, but that should be lower than what it would be without the previous
[partial treewide format](https://github.com/NixOS/nixpkgs/pull/322537).
Merge conflicts caused by this commit can now automatically be resolved while rebasing using the
[auto-rebase script](8616af08d9/maintainers/scripts/auto-rebase).
If you run into any problems regarding any of this, please reach out to the
[formatting team](https://nixos.org/community/teams/formatting/) by
pinging @NixOS/nix-formatting.
66 lines
2 KiB
Nix
66 lines
2 KiB
Nix
{
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lib,
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python,
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makePythonHook,
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makeWrapper,
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}:
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makePythonHook {
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name = "wrap-python-hook";
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propagatedBuildInputs = [ makeWrapper ];
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substitutions.sitePackages = python.sitePackages;
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substitutions.executable = python.interpreter;
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substitutions.python = python.pythonOnBuildForHost;
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substitutions.pythonHost = python;
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substitutions.magicalSedExpression =
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let
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# Looks weird? Of course, it's between single quoted shell strings.
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# NOTE: Order DOES matter here, so single character quotes need to be
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# at the last position.
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quoteVariants = [
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"'\"'''\"'"
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"\"\"\""
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"\""
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"'\"'\"'"
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]; # hey Vim: ''
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mkStringSkipper =
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labelNum: quote:
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let
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label = "q${toString labelNum}";
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isSingle = lib.elem quote [
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"\""
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"'\"'\"'"
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];
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endQuote = if isSingle then "[^\\\\]${quote}" else quote;
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in
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''
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/^[a-z]?${quote}/ {
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/${quote}${quote}|${quote}.*${endQuote}/{n;br}
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:${label}; n; /^${quote}/{n;br}; /${endQuote}/{n;br}; b${label}
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}
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'';
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# This preamble does two things:
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# * Sets argv[0] to the original application's name; otherwise it would be .foo-wrapped.
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# Python doesn't support `exec -a`.
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# * Adds all required libraries to sys.path via `site.addsitedir`. It also handles *.pth files.
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preamble = ''
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import sys
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import site
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import functools
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sys.argv[0] = '"'$(readlink -f "$f")'"'
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functools.reduce(lambda k, p: site.addsitedir(p, k), ['"$([ -n "$program_PYTHONPATH" ] && (echo "'$program_PYTHONPATH'" | sed "s|:|','|g") || true)"'], site._init_pathinfo())
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'';
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in
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''
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1 {
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:r
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/\\$|,$/{N;br}
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/__future__|^ |^ *(#.*)?$/{n;br}
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${lib.concatImapStrings mkStringSkipper quoteVariants}
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/^[^# ]/i ${lib.replaceStrings [ "\n" ] [ ";" ] preamble}
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}
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'';
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} ./wrap.sh
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