pkgs/tools/misc/asdf-vm/default.nix

   1 { stdenv, lib, fetchFromGitHub, makeWrapper, installShellFiles, bash, curl, git, writeScript }:
   2
   3 let
   4   asdfReshimFile = writeScript "asdf-reshim" ''
   5 #!/usr/bin/env bash
   6
   7 # asdf-vm create "shim" file like this:
   8 #
   9 #    exec $ASDF_DIR/bin/asdf exec "node" "$@"
  10 #
  11 # So we should reshim all installed versions every time shell initialized,
  12 # because $out always change
  13
  14 asdfDir="''${ASDF_DIR:-$HOME/.asdf}"
  15 asdfDataDir="''${ASDF_DATA_DIR:-$HOME/.asdf}"
  16
  17 prevAsdfDirFilePath="$asdfDataDir/.nix-prev-asdf-dir-path"
  18
  19 if [ -r "$prevAsdfDirFilePath" ]; then
  20   prevAsdfDir="$(cat "$prevAsdfDirFilePath")"
  21 else
  22   prevAsdfDir=""
  23 fi
  24
  25 if [ "$prevAsdfDir" != "$asdfDir" ]; then
  26   rm -rf "$asdfDataDir"/shims
  27   "$asdfDir"/bin/asdf reshim
  28   echo "$asdfDir" > "$prevAsdfDirFilePath"
  29 fi
  30   '';
  31
  32   asdfPrepareFile = writeScript "asdf-prepare" ''
  33 ASDF_DIR="@asdfDir@"
  34
  35 source "$ASDF_DIR/asdf.sh"
  36 ${asdfReshimFile}
  37   '';
  38 in stdenv.mkDerivation rec {
  39   pname = "asdf-vm";
  40   version = "0.14.1";
  41
  42   src = fetchFromGitHub {
  43     owner = "asdf-vm";
  44     repo = "asdf";
  45     rev = "v${version}";
  46     sha256 = "sha256-1dacsAoZVwoQv8+V4FrjRLa7awLIZchlhkuET0wTO7w=";
  47   };
  48
  49   nativeBuildInputs = [
  50     makeWrapper
  51     installShellFiles
  52   ];
  53
  54   buildInputs = [
  55     bash
  56     curl
  57     git
  58   ];
  59
  60   installPhase = ''
  61     mkdir -p $out/share/asdf-vm
  62     cp -r . $out/share/asdf-vm
  63
  64     mkdir -p $out/etc/profile.d
  65     substitute ${asdfPrepareFile} $out/etc/profile.d/asdf-prepare.sh \
  66       --replace "@asdfDir@" "$out/share/asdf-vm"
  67
  68     mkdir -p $out/bin
  69     makeWrapper $out/share/asdf-vm/bin/asdf $out/bin/asdf \
  70       --set ASDF_DIR $out/share/asdf-vm
  71
  72     installShellCompletion --cmd asdf \
  73       --zsh completions/_asdf \
  74       --fish completions/asdf.fish \
  75       --bash completions/asdf.bash
  76   '';
  77
  78   meta = with lib; {
  79     description = "Extendable version manager with support for Ruby, Node.js, Erlang & more";
  80     homepage = "https://asdf-vm.com/";
  81     license = licenses.mit;
  82     maintainers = [ maintainers.c4605 ];
  83     mainProgram = "asdf";
  84     platforms = platforms.unix;
  85   };
  86 }