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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394# An analogue to writeShellApplication but for Nushell rather than Bash scripts.{ lib, nushell, writeTextFile}:
let # It might be nicer to write a nix function that translates nix expressions directly to nushell # expressions. But since nix and nu both understand json, using that as an intermediary format is # way easier. toNu = v: "(\"${lib.escape ["\"" "\\"] (builtins.toJSON v)}\" | from json)";
makeBinPathArray = pkgs: let binOutputs = builtins.filter (x: x != null) (map (pkg: lib.getOutput "bin" pkg) pkgs); in map (output: output + "/bin") binOutputs;in
{ /* The name of the script to write. Type: String */ name, /* The shell script's text, not including a shebang. Type: String */ text, /* Inputs to add to the shell script's `$PATH` at runtime. Type: [String|Derivation] */ runtimeInputs ? [ ], /* Extra environment variables to set at runtime. Type: AttrSet */ runtimeEnv ? null, /* `stdenv.mkDerivation`'s `meta` argument. Type: AttrSet */ meta ? { }, /* The `checkPhase` to run. Defaults to `nu-check`.
The script path will be given as `$target` in the `checkPhase`.
Type: String */ checkPhase ? null, /* Extra arguments to pass to `stdenv.mkDerivation`.
:::{.caution} Certain derivation attributes are used internally, overriding those could cause problems. :::
Type: AttrSet */ derivationArgs ? { },}:writeTextFile { inherit name meta derivationArgs; executable = true; destination = "/bin/${name}"; allowSubstitutes = true; preferLocalBuild = false; text = '' #!${lib.getExe nushell} '' + lib.optionalString (runtimeEnv != null) ''
load-env ${toNu runtimeEnv} '' + lib.optionalString (runtimeInputs != [ ]) ''
$env.PATH = ${toNu (makeBinPathArray runtimeInputs)} ++ $env.PATH '' + ''
${text} '';
checkPhase = if checkPhase == null then '' runHook preCheck ${nushell}/bin/nu --commands "nu-check --debug '$target'" runHook postCheck '' else checkPhase;}