signald: convert to gradle setup hook

Author: chayleaf

pkgs/applications/networking/instant-messengers/signald/0001-Fetch-buildconfig-during-gradle-build-inside-Nix-FOD.patch

@@ -1,10 +1,7 @@
 { lib, stdenv, fetchFromGitLab, jdk17_headless, coreutils, findutils, gnused,
-gradle, git, perl, makeWrapper, substituteAll, jre_minimal
+gradle, git, makeWrapper, jre_minimal
 }:
 
-# NOTE: when updating the package, please check if some of the hacks in `deps.installPhase`
-# can be removed again!
-
 let
   pname = "signald";
   version = "0.23.2";
@@ -16,8 +13,6 @@ let
     sha256 = "sha256-EofgwZSDp2ZFhlKL2tHfzMr3EsidzuY4pkRZrV2+1bA=";
   };
 
-  gradleWithJdk = gradle.override { java = jdk17_headless; };
-
   jre' = jre_minimal.override {
     jdk = jdk17_headless;
     # from https://gitlab.com/signald/signald/-/blob/0.23.0/build.gradle#L173
@@ -37,76 +32,19 @@ let
     ];
   };
 
-  # fake build to pre-download deps into fixed-output derivation
-  deps = stdenv.mkDerivation {
-    pname = "${pname}-deps";
-    inherit src version;
-    nativeBuildInputs = [ gradleWithJdk perl ];
-    patches = [ ./0001-Fetch-buildconfig-during-gradle-build-inside-Nix-FOD.patch ];
-    buildPhase = ''
-      export GRADLE_USER_HOME=$(mktemp -d)
-      gradle --no-daemon build
-    '';
-    installPhase = ''
-      find $GRADLE_USER_HOME/caches/modules-2 -type f -regex '.*\.\(jar\|pom\)' \
-        | perl -pe 's#(.*/([^/]+)/([^/]+)/([^/]+)/[0-9a-f]{30,40}/([^/\s]+))$# ($x = $2) =~ tr|\.|/|; "install -Dm444 $1 \$out/$x/$3/$4/$5" #e' \
-        | sh -x
-
-      # WARNING: don't try this at home and wear safety-goggles while working with this!
-      # We patch around in the dependency tree to resolve some spurious dependency resolution errors.
-      # Whenever this package gets updated, please check if some of these hacks are obsolete!
-
-      # Mimic existence of okio-3.2.0.jar. Originally known as okio-jvm-3.2.0 (and renamed),
-      # but gradle doesn't detect such renames, only fetches the latter and then fails
-      # in `signald.buildPhase` because it cannot find `okio-3.2.0.jar`.
-      pushd $out/com/squareup/okio/okio/3.2.0 &>/dev/null
-        cp -v ../../okio-jvm/3.2.0/okio-jvm-3.2.0.jar okio-3.2.0.jar
-      popd &>/dev/null
-
-      # For some reason gradle fetches 2.14.1 instead of 2.14.0 here even though 2.14.0 is required
-      # according to `./gradlew -q dependencies`, so we pretend to have 2.14.0 available here.
-      # According to the diff in https://github.com/FasterXML/jackson-dataformats-text/compare/jackson-dataformats-text-2.14.0...jackson-dataformats-text-2.14.1
-      # the only relevant change is in the code itself (and in the tests/docs), so this seems
-      # binary-compatible.
-      cp -v \
-        $out/com/fasterxml/jackson/dataformat/jackson-dataformat-toml/2.14.1/jackson-dataformat-toml-2.14.1.jar \
-        $out/com/fasterxml/jackson/dataformat/jackson-dataformat-toml/2.14.0/jackson-dataformat-toml-2.14.0.jar
-    '';
-    # Don't move info to share/
-    forceShare = [ "dummy" ];
-    outputHashAlgo = "sha256";
-    outputHashMode = "recursive";
-    # Downloaded jars differ by platform
-    outputHash = {
-      x86_64-linux = "sha256-9DHykkvazVBN2kfw1Pbejizk/R18v5w8lRBHZ4aXL5Q=";
-      aarch64-linux = "sha256-RgAiRbUojBc+9RN/HpAzzpTjkjZ6q+jebDsqvah5XBw=";
-    }.${stdenv.system} or (throw "Unsupported system: ${stdenv.system}");
-  };
-
 in stdenv.mkDerivation {
   inherit pname src version;
 
-  patches = [
-    (substituteAll {
-      src = ./0002-buildconfig-local-deps-fixes.patch;
-      inherit deps;
-    })
-  ];
-
-  passthru = {
-    # Mostly for debugging purposes.
-    inherit deps;
+  mitmCache = gradle.fetchDeps {
+    inherit pname;
+    data = ./deps.json;
   };
 
-  buildPhase = ''
-    runHook preBuild
-
-    export GRADLE_USER_HOME=$(mktemp -d)
+  __darwinAllowLocalNetworking = true;
 
-    gradle --offline --no-daemon distTar
+  gradleFlags = [ "-Dorg.gradle.java.home=${jdk17_headless}" ];
 
-    runHook postBuild
-  '';
+  gradleBuildTask = "distTar";
 
   installPhase = ''
     runHook preInstall
@@ -120,10 +58,19 @@ in stdenv.mkDerivation {
     runHook postInstall
   '';
 
-  nativeBuildInputs = [ git gradleWithJdk makeWrapper ];
+  nativeBuildInputs = [ git gradle makeWrapper ];
 
   doCheck = true;
 
+  gradleUpdateScript = ''
+    runHook preBuild
+
+    SIGNALD_TARGET=x86_64-unknown-linux-gnu gradle nixDownloadDeps
+    SIGNALD_TARGET=aarch64-unknown-linux-gnu gradle nixDownloadDeps
+    SIGNALD_TARGET=x86_64-apple-darwin gradle nixDownloadDeps
+    SIGNALD_TARGET=aarch64-apple-darwin gradle nixDownloadDeps
+  '';
+
   meta = with lib; {
     description = "Unofficial daemon for interacting with Signal";
     longDescription = ''
@@ -138,6 +85,6 @@ in stdenv.mkDerivation {
     ];
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ expipiplus1 ];
-    platforms = [ "x86_64-linux" "aarch64-linux" ];
+    platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
   };
 }