From 5106a2f74fd0fcf8f0ed6b4d9fef2eb0a2281f68 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20Kr=C3=BCger?= <mkg20001@gmail.com>
Date: Sun, 3 Oct 2021 20:08:18 +0200
Subject: [PATCH] javaPackages.mavenfod: init

---
 pkgs/development/java-modules/maven-fod.nix | 55 +++++++++++++++++++++
 pkgs/top-level/java-packages.nix            |  4 +-
 2 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/development/java-modules/maven-fod.nix

diff --git a/pkgs/development/java-modules/maven-fod.nix b/pkgs/development/java-modules/maven-fod.nix
new file mode 100644
index 000000000000..3e0d460ee488
--- /dev/null
+++ b/pkgs/development/java-modules/maven-fod.nix
@@ -0,0 +1,55 @@
+{ lib
+, stdenv
+, maven
+}:
+
+{ src
+, patches ? []
+, pname
+, version
+, mvnSha256 ? "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
+, mvnHash ? "sha256-${mvnSha256}"
+, mvnFetchExtraArgs ? {}
+, ...
+} @args:
+
+# originally extracted from dbeaver
+# created to allow using maven packages in the same style as rust
+
+stdenv.mkDerivation (rec {
+  fetchedMavenDeps = stdenv.mkDerivation ({
+    name = "${pname}-${version}-maven-deps";
+    inherit src;
+
+    buildInputs = [
+      maven
+    ];
+
+    buildPhase = ''
+      mvn package -Dmaven.repo.local=$out/.m2 -P desktop,all-platforms
+    '';
+
+    # keep only *.{pom,jar,sha1,nbm} and delete all ephemeral files with lastModified timestamps inside
+    installPhase = ''
+      find $out -type f \
+        -name \*.lastUpdated -or \
+        -name resolver-status.properties -or \
+        -name _remote.repositories \
+        -delete
+    '';
+
+    # don't do any fixup
+    dontFixup = true;
+    outputHashMode = "recursive";
+    outputHash = mvnHash;
+  } // mvnFetchExtraArgs);
+
+  buildPhase = ''
+    runHook preBuild
+
+    mvnDeps=$(cp -dpR ${fetchedMavenDeps}/.m2 ./ && chmod +w -R .m2 && pwd)
+    mvn package --offline "-Dmaven.repo.local=$mvnDeps/.m2" -P desktop,all-platforms
+
+    runHook postBuild
+  '';
+} // args)
diff --git a/pkgs/top-level/java-packages.nix b/pkgs/top-level/java-packages.nix
index cf6474f0da5b..6f0f802f38e8 100644
--- a/pkgs/top-level/java-packages.nix
+++ b/pkgs/top-level/java-packages.nix
@@ -9,8 +9,10 @@ let
   openjfx11 = callPackage ../development/compilers/openjdk/openjfx/11.nix { };
   openjfx15 = callPackage ../development/compilers/openjdk/openjfx/15.nix { };
 
+  mavenfod = callPackage ../development/java-modules/maven-fod.nix { };
+
 in {
-  inherit mavenbuild fetchMaven openjfx11 openjfx15;
+  inherit mavenbuild mavenfod fetchMaven openjfx11 openjfx15;
 
   compiler = let