mirror of
https://github.com/NixOS/nixpkgs.git
synced 2025-06-10 03:23:29 +03:00
4f0dadbf38
After final improvements to the official formatter implementation,
this commit now performs the first treewide reformat of Nix files using it.
This is part of the implementation of RFC 166.
Only "inactive" files are reformatted, meaning only files that
aren't being touched by any PR with activity in the past 2 months.
This is to avoid conflicts for PRs that might soon be merged.
Later we can do a full treewide reformat to get the rest,
which should not cause as many conflicts.
A CI check has already been running for some time to ensure that new and
already-formatted files are formatted, so the files being reformatted here
should also stay formatted.
This commit was automatically created and can be verified using
nix-build a08b3a4d19.tar.gz \
--argstr baseRev b32a094368
result/bin/apply-formatting $NIXPKGS_PATH
149 lines
3.4 KiB
Nix
149 lines
3.4 KiB
Nix
{ lib, config, ... }:
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with lib;
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let
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mergeFalseByDefault =
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locs: defs:
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if defs == [ ] then
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abort "This case should never happen."
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else if any (x: x == false) (getValues defs) then
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false
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else
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true;
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kernelItem = types.submodule {
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options = {
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tristate = mkOption {
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type = types.enum [
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"y"
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"m"
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"n"
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null
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];
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default = null;
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internal = true;
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visible = true;
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description = ''
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Use this field for tristate kernel options expecting a "y" or "m" or "n".
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'';
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};
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freeform = mkOption {
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type = types.nullOr types.str // {
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merge = mergeEqualOption;
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};
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default = null;
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example = ''MMC_BLOCK_MINORS.freeform = "32";'';
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description = ''
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Freeform description of a kernel configuration item value.
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'';
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};
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optional = mkOption {
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type = types.bool // {
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merge = mergeFalseByDefault;
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};
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default = false;
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description = ''
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Whether option should generate a failure when unused.
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Upon merging values, mandatory wins over optional.
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'';
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};
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};
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};
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mkValue =
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with lib;
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val:
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let
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isNumber =
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c:
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elem c [
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"0"
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"1"
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"2"
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"3"
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"4"
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"5"
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"6"
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"7"
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"8"
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"9"
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];
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in
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if (val == "") then
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"\"\""
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else if val == "y" || val == "m" || val == "n" then
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val
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else if all isNumber (stringToCharacters val) then
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val
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else if substring 0 2 val == "0x" then
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val
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else
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val; # FIXME: fix quoting one day
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# generate nix intermediate kernel config file of the form
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#
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# VIRTIO_MMIO m
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# VIRTIO_BLK y
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# VIRTIO_CONSOLE n
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# NET_9P_VIRTIO? y
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#
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# Borrowed from copumpkin https://github.com/NixOS/nixpkgs/pull/12158
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# returns a string, expr should be an attribute set
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# Use mkValuePreprocess to preprocess option values, aka mark 'modules' as 'yes' or vice-versa
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# use the identity if you don't want to override the configured values
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generateNixKConf =
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exprs:
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let
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mkConfigLine =
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key: item:
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let
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val = if item.freeform != null then item.freeform else item.tristate;
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in
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optionalString (val != null) (
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if (item.optional) then "${key}? ${mkValue val}\n" else "${key} ${mkValue val}\n"
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);
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mkConf = cfg: concatStrings (mapAttrsToList mkConfigLine cfg);
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in
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mkConf exprs;
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in
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{
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options = {
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intermediateNixConfig = mkOption {
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readOnly = true;
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type = types.lines;
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example = ''
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USB? y
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DEBUG n
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'';
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description = ''
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The result of converting the structured kernel configuration in settings
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to an intermediate string that can be parsed by generate-config.pl to
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answer the kernel `make defconfig`.
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'';
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};
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settings = mkOption {
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type = types.attrsOf kernelItem;
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example = literalExpression ''
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with lib.kernel; {
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"9P_NET" = yes;
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USB = option yes;
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MMC_BLOCK_MINORS = freeform "32";
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}'';
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description = ''
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Structured kernel configuration.
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'';
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};
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};
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config = {
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intermediateNixConfig = generateNixKConf config.settings;
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};
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}
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