--- /dev/null
+{ lib, stdenv, fetchurl, fetchgit, jre, coreutils, gradle_6, git, perl
+, makeWrapper }:
+
+let
+ pname = "signald";
+
+ version = "0.13.1";
+
+ # This package uses the .git directory
+ src = fetchgit {
+ url = "https://gitlab.com/signald/signald";
+ rev = version;
+ sha256 = "1ilmg0i1kw2yc7m3hxw1bqdpl3i9wwbj8623qmz9cxhhavbcd5i7";
+ leaveDotGit = true;
+ };
+
+ buildConfigJar = fetchurl {
+ url = "https://dl.bintray.com/mfuerstenau/maven/gradle/plugin/de/fuerstenau/BuildConfigPlugin/1.1.8/BuildConfigPlugin-1.1.8.jar";
+ sha256 = "0y1f42y7ilm3ykgnm6s3ks54d71n8lsy5649xgd9ahv28lj05x9f";
+ };
+
+ patches = [ ./git-describe-always.patch ./gradle-plugin.patch ];
+
+ postPatch = ''
+ patchShebangs gradlew
+ sed -i -e 's|BuildConfig.jar|${buildConfigJar}|' build.gradle
+ '';
+
+ # fake build to pre-download deps into fixed-output derivation
+ deps = stdenv.mkDerivation {
+ name = "${pname}-deps";
+ inherit src version postPatch patches;
+ nativeBuildInputs = [ gradle_6 perl ];
+ buildPhase = ''
+ export GRADLE_USER_HOME=$(mktemp -d)
+ gradle --no-daemon build
+ '';
+ # perl code mavenizes pathes (com.squareup.okio/okio/1.13.0/a9283170b7305c8d92d25aff02a6ab7e45d06cbe/okio-1.13.0.jar -> com/squareup/okio/okio/1.13.0/okio-1.13.0.jar)
+ 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/$4/''${\($5 =~ s/-jvm//r)}" #e' \
+ | sh
+ '';
+ # Don't move info to share/
+ forceShare = [ "dummy" ];
+ outputHashAlgo = "sha256";
+ outputHashMode = "recursive";
+ outputHash = "0w8ixp1l0ch1jc2dqzxdx3ljlh17hpgns2ba7qvj43nr4prl71l7";
+ };
+
+in stdenv.mkDerivation rec {
+ inherit pname src version postPatch patches;
+
+ buildPhase = ''
+ export GRADLE_USER_HOME=$(mktemp -d)
+
+ # Use the local packages from -deps
+ sed -i -e 's|mavenCentral()|mavenLocal(); maven { url uri("${deps}") }|' build.gradle
+
+ gradle --offline --no-daemon distTar
+ '';
+
+ installPhase = ''
+ mkdir -p $out
+ tar xvf ./build/distributions/signald.tar --strip-components=1 --directory $out/
+ wrapProgram $out/bin/signald \
+ --prefix PATH : ${lib.makeBinPath [ coreutils ]} \
+ --set JAVA_HOME "${jre}"
+ '';
+
+ nativeBuildInputs = [ git gradle_6 makeWrapper ];
+
+ doCheck = true;
+
+ meta = with lib; {
+ description = "Unofficial daemon for interacting with Signal";
+ longDescription = ''
+ Signald is a daemon that facilitates communication over Signal. It is
+ unofficial, unapproved, and not nearly as secure as the real Signal
+ clients.
+ '';
+ homepage = "https://signald.org";
+ license = licenses.gpl3Plus;
+ maintainers = with maintainers; [ expipiplus1 ];
+ platforms = platforms.unix;
+ };
+}
--- /dev/null
+diff --git a/build.gradle b/build.gradle
+index 11d7a99..66805bb 100644
+--- a/build.gradle
++++ b/build.gradle
+@@ -3,9 +3,12 @@ import org.gradle.nativeplatform.platform.internal.OperatingSystemInternal
+ import org.gradle.nativeplatform.platform.internal.DefaultNativePlatform
+ import org.xml.sax.SAXParseException
+
+-plugins {
+- id 'de.fuerstenau.buildconfig' version '1.1.8'
++buildscript {
++ dependencies {
++ classpath files ("BuildConfig.jar")
++ }
+ }
++apply plugin: 'de.fuerstenau.buildconfig'
+
+ apply plugin: 'java'
+ apply plugin: 'application'
+@@ -185,4 +188,4 @@ task integrationTest(type: Test) {
+ testClassesDirs = sourceSets.integrationTest.output.classesDirs
+ classpath = sourceSets.integrationTest.runtimeClasspath
+ outputs.upToDateWhen { false }
+-}
+\ No newline at end of file
++}