jffi: clean up and make deterministic

pkgs/development/libraries/java/jffi/default.nix

@@ -1,40 +1,66 @@
-{ lib, stdenv, fetchFromGitHub, jdk, jre, ant, libffi, texinfo, pkg-config }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, ant
+, jdk
+, libffi
+, pkg-config
+, texinfo
+, stripJavaArchivesHook
+}:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "jffi";
   version = "1.3.13";
 
   src = fetchFromGitHub {
     owner = "jnr";
     repo = "jffi";
-    rev = "jffi-${version}";
-    sha256 = "sha256-aBQkkZyXZkaJc4sr/jHnIRaJYP116u4Jqsr9XXzfOBA=";
+    rev = "jffi-${finalAttrs.version}";
+    hash = "sha256-aBQkkZyXZkaJc4sr/jHnIRaJYP116u4Jqsr9XXzfOBA=";
   };
 
-  nativeBuildInputs = [ jdk ant texinfo pkg-config ];
-  buildInputs = [ libffi ] ;
+  nativeBuildInputs = [
+    ant
+    jdk
+    pkg-config
+    texinfo
+    stripJavaArchivesHook
+  ];
+
+  buildInputs = [ libffi ];
+
+  # The pkg-config script in the build.xml doesn't work propery
+  # set the lib path manually to work around this.
+  env.LIBFFI_LIBS = "${libffi}/lib/libffi${stdenv.hostPlatform.extensions.sharedLibrary}";
+  env.ANT_ARGS = "-Duse.system.libffi=1";
 
   buildPhase = ''
-    # The pkg-config script in the build.xml doesn't work propery
-    # set the lib path manually to work around this.
-    export LIBFFI_LIBS="${libffi}/lib/libffi.so"
-
-    ant -Duse.system.libffi=1 jar
-    ant -Duse.system.libffi=1 archive-platform-jar
-  '';
-
-  installPhase = ''
-    mkdir -p $out/share/java
-    cp -r dist/* $out/share/java
+    runHook preBuild
+    ant jar
+    ant archive-platform-jar
+    runHook postBuild
   '';
 
   doCheck = true;
-  checkPhase = ''
-    # The pkg-config script in the build.xml doesn't work propery
-    # set the lib path manually to work around this.
-    export LIBFFI_LIBS="${libffi}/lib/libffi.so"
 
-    ant -Duse.system.libffi=1 test
+  checkPhase = ''
+    runHook preCheck
+    ant test
+    runHook postCheck
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm644 dist/*.jar -t $out/share/java
+    runHook postInstall
+  '';
+
+  # nix can't detect libffi as a dependency inside the jar file, so we create
+  # a dummy file with the path to libffi, to make sure that nix knows about it
+  postFixup = ''
+    mkdir -p $out/nix-support
+    echo ${libffi} > $out/nix-support/depends
   '';
 
   meta = with lib; {
@@ -45,4 +71,4 @@ stdenv.mkDerivation rec {
     license = licenses.asl20;
     maintainers = with maintainers; [ bachp ];
   };
-}
+})