i2b2.nix

# if you forget the {} on the next line, you get an un-helpful:
# error: value is a function while a set was expected
with import <nixpkgs> {};

let
i2b2-hive-cells = stdenv.mkDerivation rec {
  name = "i2b2-hive-cells";

  src = fetchurl {
    url = "https://github.com/i2b2/i2b2-core-server/archive/v1.7.10.0001.tar.gz";
    # used nix-prefetch-url to get the sha256
    sha256 = "053b1bwzz23pgs1dg4wz2mzjfp6378dq5j2rm4x7yklp6mdgkd4x";
  };

  # cribbed from:
  # https://nixos.org/nixpkgs/manual/#sec-language-java
  buildInputs = [ jdk pkgs.ant ];

  cellBuilder = { path, build, ... }: "(cd ${path}; ${build})";
  cellInstaller = { path, install, ... }: "(cd ${path}; ${install})";
  
  common = {
    installDoc = "https://community.i2b2.org/wiki/display/getstarted/Chapter+4.+i2b2+Server-Common+Install";
    path = "edu.harvard.i2b2.server-common";
    build = "ant dist -Ddist=$out/dist";
    install = "ant deploy jboss_pre_deployment_setup -Ddist=$out/dist -Djboss.home=$out";
   };

   cells = [ common ];
   buildPhase = lib.concatStringsSep "\n" (map cellBuilder cells);
   installPhase = lib.concatStringsSep "\n" (map cellInstaller cells);
};

wildfly = stdenv.mkDerivation rec {
  name = "wildfly";
  #  version recommended in i2b2 install docs is 10.0.0.Final  2016-01-29. current is 15.0.1.Final  2019-01-05. hm
  version = "10.0.0.Final";
  src = fetchurl {
    url = "https://www.i2b2.org/software/projects/installer/wildfly-${version}.zip";
    sha256 = "1sapwnjha5m2q0y7f7j2mk16m2gcgp23qprcxyybkbpryzfpfd9z";
  };

  # based on https://github.com/NixOS/nixpkgs/blob/master/pkgs/servers/http/jboss/default.nix
  buildInputs = [ pkgs.unzip ];

  phases = [ "unpackPhase" "installPhase" "fixupPhase" ];

  installPhase = ''
    mv $PWD $out
    find $out/bin -name \*.sh -print0 | xargs -0 sed -i -e '/#!\/bin\/sh/aJAVA_HOME=${jdk}'
  '';
};
# wildfly-service = callPackage ./wildfly-service { config = {}; lib = {}; pkgs = pkgs; };

mkWildflyControl = cfg:
  stdenv.mkDerivation {
    name = "wildfly-service";

    builder = ./wildfly-service/builder.sh;
    inherit wildfly;
    inherit (pkgs) su;
    inherit (cfg) tempDir logDir libUrl deployDir serverDir;  # @@ user useJK

  };
wildfly1c = mkWildflyControl {
  tempDir = "/tmp";
  logDir = "/var/log/private/wildfly";
  # Location where the shared library JARs are stored";
  libUrl = "file:///nix/var/nix/profiles/default/server/default/lib";  #@@???
  deployDir = "/var/lib/private/wildfly/standalone/deployments";
  serverDir = "/var/lib/private/wildfly/standalone";
  # user = "wildfly";
  # useJK = false
};
wildfly1u = stdenv.mkDerivation {
  name="wildfly1-unit";

  inherit wildfly;
  wildflyControl = wildfly1c;
  builder = ./wildfly-service/unit-builder.sh;
};
  
i2b2-heron = stdenv.mkDerivation {
  name = "i2b2-heron";
  buildInputs = [ i2b2-hive-cells wildfly1u ];
  src = i2b2-hive-cells;  # kludge

  installPhase = ''
    mkdir $out;
    ln -s ${i2b2-hive-cells} $out/i2b2-hive-cells
    ln -s ${wildfly1u} $out/wildfly
  '';
};
in i2b2-heron

shell-out.txt

$ nix-build --show-trace --keep-failed i2b2.nix
error: while evaluating the attribute 'buildInputs' of the derivation 'i2b2-heron' at /nix/store/98f2ynld46gvwi26xh69f17hlgqa9kwy-nixpkgs-19.03pre166613.c052da08dcb/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:185:11:
while evaluating the attribute 'cellBuilder' of the derivation 'i2b2-hive-cells' at /nix/store/98f2ynld46gvwi26xh69f17hlgqa9kwy-nixpkgs-19.03pre166613.c052da08dcb/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:185:11:
cannot coerce a function to a string, at /nix/store/98f2ynld46gvwi26xh69f17hlgqa9kwy-nixpkgs-19.03pre166613.c052da08dcb/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:185:11