forked from mirrors/nixpkgs
58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
/*
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Usage:
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You define you custom builder script by adding all build steps to a list.
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for example:
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builder = writeScript "fsg-4.4-builder"
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(textClosure [doUnpack addInputs preBuild doMake installPhase doForceShare]);
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a step is defined by noDepEntry, FullDepEntry or PackEntry.
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To ensure that prerequisite are met those are added before the task itself by
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textClosureDupList. Duplicated items are removed again.
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See trace/nixpkgs/trunk/pkgs/top-level/builder-defs.nix for some predefined build steps
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*/
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args:
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with args;
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with lib;
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let
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inherit (builtins) head tail isList isAttrs;
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in
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rec {
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textClosureDupList = arg:
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if isList arg then
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textClosureDupList {text = ""; deps = arg;}
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else
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concatLists (map textClosureDupList arg.deps) ++ [arg];
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textClosureDupListOverridable = predefined: arg:
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if isList arg then
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textClosureDupListOverridable predefined {text = ""; deps = arg;}
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else if isAttrs arg then
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concatLists (map (textClosureDupListOverridable predefined) arg.deps) ++ [arg]
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else
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textClosureDupListOverridable predefined (getAttr [arg] [] predefined);
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textClosureListOverridable = predefined: arg:
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map (x: x.text) (uniqList {inputList = textClosureDupListOverridable predefined arg;});
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textClosureOverridable = predefined: arg: concatStringsSep "\n" (textClosureListOverridable predefined arg);
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textClosureMapOveridable = f: predefined: arg:
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concatStringsSep "\n" (map f (textClosureListOverridable predefined arg));
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noDepEntry = text: {inherit text; deps = [];};
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fullDepEntry = text: deps: {inherit text deps;};
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packEntry = deps: {inherit deps; text="";};
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# Old names - don't use.
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FullDepEntry = fullDepEntry;
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PackEntry = packEntry;
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}
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