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-rw-r--r--pkgs/tools/graphics/ditaa/default.nix8
1 files changed, 4 insertions, 4 deletions
diff --git a/pkgs/tools/graphics/ditaa/default.nix b/pkgs/tools/graphics/ditaa/default.nix
index cb06e8ba9f1..a22f402b5d1 100644
--- a/pkgs/tools/graphics/ditaa/default.nix
+++ b/pkgs/tools/graphics/ditaa/default.nix
@@ -1,18 +1,18 @@
 { lib, stdenv, fetchurl, jre }:
 
 stdenv.mkDerivation rec {
-  name = "ditaa-0.11.0";
+  pname = "ditaa";
+  version = "0.11.0";
 
   src = fetchurl {
-    url = "https://github.com/stathissideris/ditaa/releases/download/v0.11.0/ditaa-0.11.0-standalone.jar";
+    url = "https://github.com/stathissideris/ditaa/releases/download/v${version}/ditaa-${version}-standalone.jar";
     sha256 = "1acnl7khz8aasg230nbsx9dyf8716scgb5l3679cb2bdzxisl64l";
   };
 
   dontUnpack = true;
 
   installPhase = ''
-    mkdir -p "$out/bin"
-    mkdir -p "$out/lib"
+    mkdir -p $out/bin $out/lib
 
     cp ${src} "$out/lib/ditaa.jar"