nixpkgs/pkgs/tools/text/shab/default.nix

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2019-02-22 12:33:26 +00:00
{ bash, stdenv, lib, runCommand, writeText, fetchFromGitHub }:
let
version = "1.0.0";
shab = stdenv.mkDerivation {
pname = "shab";
inherit version;
src = fetchFromGitHub {
owner = "zimbatm";
repo = "shab";
rev = "v${version}";
sha256 = "02lf1s6plhhcfyj9xha44wij9jbphb1x5q55xj3b5bx2ji2jsvji";
};
postPatch = ''
for f in test.sh test/*.sh; do
patchShebangs "$f"
done
'';
doCheck = true;
doInstallCheck = true;
checkPhase = ''
./test.sh
'';
installPhase = ''
mkdir -p $out/bin
cp ./shab $out/bin/shab
'';
installCheckPhase = ''
[[ "$(echo 'Hello $entity' | entity=world $out/bin/shab)" == 'Hello world' ]]
'';
passthru = {
inherit render renderText;
};
meta = with lib; {
description = "The bash templating language";
homepage = "https://github.com/zimbatm/shab";
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license = licenses.unlicense;
maintainers = with maintainers; [ zimbatm ];
platforms = bash.meta.platforms;
};
};
/*
shabScript: a path or filename to use as a template
parameters.name: the name to use as part of the store path
parameters: variables to expose to the template
*/
render = shabScript: parameters:
let extraParams = {
inherit shabScript;
};
in runCommand "out" (parameters // extraParams) ''
${shab}/bin/shab "$shabScript" >$out
'';
/*
shabScriptText: a string to use as a template
parameters.name: the name to use as part of the store path
parameters: variables to expose to the template
*/
renderText = shabScriptText: parameters:
render (writeText "template" shabScriptText) parameters;
in
shab