1 files changed, 48 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/servers/nosql/janusgraph/default.nix b/nixpkgs/pkgs/servers/nosql/janusgraph/default.nix
new file mode 100644
index 000000000000..0c16f90db60d
--- /dev/null
+++ b/nixpkgs/pkgs/servers/nosql/janusgraph/default.nix
@@ -0,0 +1,48 @@
+{ lib, stdenv, fetchzip, jdk11, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "janusgraph";
+  version = "1.0.0";
+
+  src = fetchzip {
+    url = "https://github.com/JanusGraph/janusgraph/releases/download/v${version}/janusgraph-${version}.zip";
+    sha256 = "sha256-X/ZHvmCJzo0X/sUpbm1CkQcnNi3NMNAaVXep6cpoIAA=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/bin $out/share/janusgraph
+    install -D $src/lib/*.jar $out/share/janusgraph
+    cd $src
+    find conf scripts -type f -exec install -D {} $out/share/janusgraph/{} \;
+
+    JANUSGRAPH_LIB=$out/share/janusgraph
+    classpath=""
+    # Add the slf4j-log4j12 binding
+    classpath="$classpath":$(find -L $JANUSGRAPH_LIB -name 'slf4j-log4j12*.jar' | sort | tr '\n' ':')
+    # Add the jars in $JANUSGRAPH_LIB that start with "janusgraph"
+    classpath="$classpath":$(find -L $JANUSGRAPH_LIB -name 'janusgraph*.jar' | sort | tr '\n' ':')
+    # Add the remaining jars in $JANUSGRAPH_LIB.
+    classpath="$classpath":$(find -L $JANUSGRAPH_LIB -name '*.jar' \
+                    \! -name 'janusgraph*' \
+                    \! -name 'slf4j-log4j12*.jar' | sort | tr '\n' ':')
+
+    makeWrapper ${jdk11}/bin/java $out/bin/janusgraph-server \
+      --add-flags "-classpath $classpath org.janusgraph.graphdb.server.JanusGraphServer"
+
+    # temporary workaround for
+    # https://github.com/NixOS/nixpkgs/pull/244400#issuecomment-1667330430
+    cd "$TMPDIR"
+  '';
+
+  meta = with lib; {
+    description = "An open-source, distributed graph database";
+    homepage = "https://janusgraph.org/";
+    mainProgram = "janusgraph-server";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = [ maintainers.ners ];
+  };
+}
+