forked from mirrors/nixpkgs
77 lines
1.8 KiB
Nix
77 lines
1.8 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)
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head tail isList isAttrs;
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in
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rec {
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/*
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let shelllib = rec {
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a= {
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text = "aaaa";
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deps = [b c];
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};
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b = {
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text = "b";
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};
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c = {
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text = "c";
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deps = [];
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};
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};
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in
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[textClosure [shelllib.a]
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textclosure shelllib.a];
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*/
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textClosureDupList = arg:
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(
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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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);
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textClosureDupListOverridable = predefined: arg:
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(
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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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);
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textClosureListOverridable = predefined: arg:
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(map (x : x.text)
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(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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}
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