flink: refactor

pkgs/applications/networking/cluster/flink/default.nix

@@ -1,12 +1,12 @@
-{ stdenv, fetchzip, jre,
-  version ? "1.3" }:
+{ stdenv, fetchurl, makeWrapper, jre
+, version ? "1.3" }:
 
 let
   versionMap = {
     "1.3" = {
       flinkVersion = "1.3.2";
       scalaVersion = "2.11";
-      sha256 = "0dr8c1z4ncza6qp2zcklbmn0gj0l1rics3c8fiminkp8bl454ijg";
+      sha256 = "0mf4qz0963bflzidgslvwpdlvj9za9sj20dfybplw9lhd4sf52rp";
     };
   };
 in
@@ -16,32 +16,36 @@ with versionMap.${version};
 stdenv.mkDerivation rec {
   name = "flink-${flinkVersion}";
 
-  src = fetchzip {
-    url    = "mirror://apache/flink/${name}/${name}-bin-hadoop27-scala_${scalaVersion}.tgz";
+  src = fetchurl {
+    url = "mirror://apache/flink/${name}/${name}-bin-hadoop27-scala_${scalaVersion}.tgz";
     inherit sha256;
   };
 
+  nativeBuildInputs = [ makeWrapper ];
+
   buildInputs = [ jre ];
 
   installPhase = ''
-    mkdir -p $out
-    cp -R bin conf examples lib opt resources $out
-    rm $out/bin/*.bat
-    chmod +x $out/bin\/*
+    rm bin/*.bat
 
-    cat <<EOF >> $out/conf/flink-conf.yaml
+    mkdir -p $out/bin $out/opt/flink
+    mv * $out/opt/flink/
+    makeWrapper $out/opt/flink/bin/flink $out/bin/flink \
+      --prefix PATH : ${jre}/bin
+
+    cat <<EOF >> $out/opt/flink/conf/flink-conf.yaml
     env.java.home: ${jre}"
     env.log.dir: /tmp/flink-logs
     EOF
   '';
 
   meta = with stdenv.lib; {
-    description      = "An open-source stream processing framework for distributed, high-performing, always-available, and accurate data streaming applications.";
-    homepage         = "https://flink.apache.org";
-    downloadPage     = "https://flink.apache.org/downloads.html";
-    license          = stdenv.lib.licenses.asl20;
-    platforms        = stdenv.lib.platforms.all;
-    maintainers      = with maintainers; [ mbode ];
+    description = "A distributed stream processing framework";
+    homepage = https://flink.apache.org;
+    downloadPage = https://flink.apache.org/downloads.html;
+    license = licenses.asl20;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ mbode ];
     repositories.git = git://git.apache.org/flink.git;
   };
 }