63 lines
1.7 KiB
Nix
63 lines
1.7 KiB
Nix
{ lib
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, buildPlatform
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, callPackage
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, kaem
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, mescc-tools-extra
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, checkMeta
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}:
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rec {
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derivationWithMeta = attrs:
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let
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passthru = attrs.passthru or {};
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validity = checkMeta.assertValidity { inherit meta attrs; };
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meta = checkMeta.commonMeta { inherit validity attrs; };
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baseDrv = derivation ({
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inherit (buildPlatform) system;
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inherit (meta) name;
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} // (builtins.removeAttrs attrs [ "meta" "passthru" ]));
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passthru' = passthru // lib.optionalAttrs (passthru ? tests) {
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tests = lib.mapAttrs (_: f: f baseDrv) passthru.tests;
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};
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in
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lib.extendDerivation
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validity.handled
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({ inherit meta; passthru = passthru'; } // passthru')
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baseDrv;
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writeTextFile =
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{ name # the name of the derivation
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, text
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, executable ? false # run chmod +x ?
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, destination ? "" # relative path appended to $out eg "/bin/foo"
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, allowSubstitutes ? false
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, preferLocalBuild ? true
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}:
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derivationWithMeta {
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inherit name text allowSubstitutes preferLocalBuild;
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passAsFile = [ "text" ];
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builder = "${kaem}/bin/kaem";
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args = [
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"--verbose"
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"--strict"
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"--file"
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(builtins.toFile "write-text-file.kaem" (''
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target=''${out}''${destination}
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'' + lib.optionalString (builtins.dirOf destination == ".") ''
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mkdir -p ''${out}''${destinationDir}
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'' + ''
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cp ''${textPath} ''${target}
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'' + lib.optionalString executable ''
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chmod 555 ''${target}
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''))
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];
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PATH = lib.makeBinPath [ mescc-tools-extra ];
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destinationDir = builtins.dirOf destination;
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inherit destination;
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};
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writeText = name: text: writeTextFile {inherit name text;};
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}
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