commit 3d132be83eaf353a8efa522df84aabb706f422bc · pyrox.dev/nixpkgs

nixos/modules/module-list.nix

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         ./programs/bash/bash.nix

     

       75
        
         ./programs/blcr.nix

     

       76
        
         ./programs/browserpass.nix

     

       0
        
       
     

       77
        
         ./programs/cdemu.nix

     

       78
        
         ./programs/chromium.nix

     

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         ./programs/command-not-found/command-not-found.nix

···

       74
        
         ./programs/bash/bash.nix

     

       75
        
         ./programs/blcr.nix

     

       76
        
         ./programs/browserpass.nix

     

       77
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         ./programs/ccache.nix

     

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         ./programs/cdemu.nix

     

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         ./programs/chromium.nix

     

       80
        
         ./programs/command-not-found/command-not-found.nix

+83

nixos/modules/programs/ccache.nix

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       { config, pkgs, lib, ... }:

     

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       with lib;

     

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       let

     

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         cfg = config.programs.ccache;

     

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       in {

     

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         options.programs.ccache = {

     

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           # host configuration

     

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           enable = mkEnableOption "CCache";

     

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           cacheDir = mkOption {

     

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             type = types.path;

     

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             description = "CCache directory";

     

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             default = "/var/cache/ccache";

     

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           };

     

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           # target configuration

     

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           packageNames = mkOption {

     

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             type = types.listOf types.str;

     

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             description = "Nix top-level packages to be compiled using CCache";

     

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             default = [];

     

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             example = [ "wxGTK30" "qt48" "ffmpeg_3_3" "libav_all" ];

     

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           };

     

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         };

     

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         config = mkMerge [

     

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           # host configuration

     

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           (mkIf cfg.enable {

     

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             systemd.tmpfiles.rules = [ "d ${cfg.cacheDir} 0770 root nixbld -" ];

     

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             # "nix-ccache --show-stats" and "nix-ccache --clear"

     

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             security.wrappers.nix-ccache = {

     

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               group = "nixbld";

     

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               setgid = true;

     

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               source = pkgs.writeScript "nix-ccache.pl" ''

     

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                 #!${pkgs.perl}/bin/perl

     

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                 %ENV=( CCACHE_DIR => '${cfg.cacheDir}' );

     

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                 sub untaint {

     

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                   my $v = shift;

     

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                   return '-C' if $v eq '-C' || $v eq '--clear';

     

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                   return '-V' if $v eq '-V' || $v eq '--version';

     

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                   return '-s' if $v eq '-s' || $v eq '--show-stats';

     

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                   return '-z' if $v eq '-z' || $v eq '--zero-stats';

     

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                   exec('${pkgs.ccache}/bin/ccache', '-h');

     

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                 }

     

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                 exec('${pkgs.ccache}/bin/ccache', map { untaint $_ } @ARGV);

     

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               '';

     

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             };

     

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           })

     

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           # target configuration

     

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           (mkIf (cfg.packageNames != []) {

     

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             nixpkgs.overlays = [

     

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               (self: super: genAttrs cfg.packageNames (pn: super.${pn}.override { stdenv = builtins.trace "with ccache: ${pn}" self.ccacheStdenv; }))

     

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               (self: super: {

     

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                 ccacheWrapper = super.ccacheWrapper.override {

     

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                   extraConfig = ''

     

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                     export CCACHE_COMPRESS=1

     

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                     export CCACHE_DIR="${cfg.cacheDir}"

     

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                     export CCACHE_UMASK=007

     

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                     if [ ! -d "$CCACHE_DIR" ]; then

     

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                       echo "====="

     

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                       echo "Directory '$CCACHE_DIR' does not exist"

     

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                       echo "Please create it with:"

     

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                       echo "  sudo mkdir -m0770 '$CCACHE_DIR'"

     

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                       echo "  sudo chown root:nixbld '$CCACHE_DIR'"

     

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                       echo "====="

     

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                       exit 1

     

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                     fi

     

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                     if [ ! -w "$CCACHE_DIR" ]; then

     

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                       echo "====="

     

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                       echo "Directory '$CCACHE_DIR' is not accessible for user $(whoami)"

     

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                       echo "Please verify its access permissions"

     

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                       echo "====="

     

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                       exit 1

     

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                     fi

     

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                   '';

     

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                 };

     

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               })

     

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             ];

     

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           })

     

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         ];

     

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       }