74 lines
1.8 KiB
Nix
74 lines
1.8 KiB
Nix
{ bash, stdenv, lib, runCommand, writeText, fetchFromGitHub }:
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let
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version = "1.0.0";
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shab = stdenv.mkDerivation {
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pname = "shab";
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inherit version;
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src = fetchFromGitHub {
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owner = "zimbatm";
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repo = "shab";
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rev = "v${version}";
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hash = "sha256-UW4tRZSir7KG7KXg0sOCd8kkIydEwZ6kdwxCeo0Ojgo=";
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};
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postPatch = ''
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for f in test.sh test/*.sh; do
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patchShebangs "$f"
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done
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'';
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doCheck = true;
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doInstallCheck = true;
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checkPhase = ''
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./test.sh
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'';
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installPhase = ''
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mkdir -p $out/bin
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cp ./shab $out/bin/shab
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'';
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installCheckPhase = ''
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[[ "$(echo 'Hello $entity' | entity=world $out/bin/shab)" == 'Hello world' ]]
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'';
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passthru = {
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inherit render renderText;
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};
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meta = with lib; {
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description = "Bash templating language";
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mainProgram = "shab";
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homepage = "https://github.com/zimbatm/shab";
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license = licenses.unlicense;
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maintainers = with maintainers; [ zimbatm ];
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platforms = bash.meta.platforms;
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};
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};
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/*
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shabScript: a path or filename to use as a template
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parameters.name: the name to use as part of the store path
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parameters: variables to expose to the template
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*/
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render = shabScript: parameters:
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let extraParams = {
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inherit shabScript;
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};
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in runCommand "out" (parameters // extraParams) ''
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${shab}/bin/shab "$shabScript" >$out
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'';
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/*
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shabScriptText: a string to use as a template
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parameters.name: the name to use as part of the store path
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parameters: variables to expose to the template
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*/
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renderText = shabScriptText: parameters:
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render (writeText "template" shabScriptText) parameters;
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in
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shab
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