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{ lib, stdenv, fetchFromGitHub, makeDesktopItem, copyDesktopItems, makeWrapper
, jre, maven, git
}:
let
pkgDescription = "A digital logic designer and circuit simulator.";
version = "0.30";
buildDate = "2023-02-03T08:00:56+01:00"; # v0.30 commit date
desktopItem = makeDesktopItem {
type = "Application";
name = "Digital";
desktopName = pkgDescription;
comment = "Easy-to-use digital logic designer and circuit simulator";
exec = "digital";
icon = "digital";
categories = [ "Education" "Electronics" ];
mimeTypes = [ "text/x-digital" ];
terminal = false;
keywords = [ "simulator" "digital" "circuits" ];
};
# Use the "no-git-rev" maven profile, which deactivates the plugin that
# inspect the .git folder to find the version number we are building, we then
# provide that version number manually as a property.
# (see https://github.com/hneemann/Digital/issues/289#issuecomment-513721481)
# Also use the commit date as a build and output timestamp.
mvnOptions = "-Pno-git-rev -Dgit.commit.id.describe=${version} -Dproject.build.outputTimestamp=${buildDate} -DbuildTimestamp=${buildDate}";
in
stdenv.mkDerivation rec {
pname = "digital";
inherit version jre;
src = fetchFromGitHub {
owner = "hneemann";
repo = "Digital";
rev = "932791eb6486d04f2ea938d83bcdb71b56d3a3f6";
sha256 = "cDykYlcFvDLFBy9UnX07iCR2LCq28SNU+h9vRT/AoJM=";
};
# Fetching maven dependencies from "central" needs the network at build phase,
# we do that in this extra derivation that explicitly specifies its
# outputHash to ensure determinism.
mavenDeps = stdenv.mkDerivation {
name = "${pname}-${version}-maven-deps";
inherit src nativeBuildInputs version;
dontFixup = true;
buildPhase = ''
mvn package ${mvnOptions} -Dmaven.repo.local=$out
'';
# 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
'';
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = "1Cgw+5V2E/RENMRMm368+2yvY7y6v9gTlo+LRgrCXcE=";
};
nativeBuildInputs = [ copyDesktopItems maven makeWrapper ];
buildPhase = ''
mvn package --offline ${mvnOptions} -Dmaven.repo.local=${mavenDeps}
'';
installPhase = ''
mkdir -p $out/bin
mkdir -p $out/share/java
classpath=$(find ${mavenDeps} -name "*.jar" -printf ':%h/%f');
install -Dm644 target/Digital.jar $out/share/java
makeWrapper ${jre}/bin/java $out/bin/${pname} \
--add-flags "-classpath $out/share/java/${pname}-${version}.jar:''${classpath#:}" \
--add-flags "-jar $out/share/java/Digital.jar"
'';
desktopItems = [ desktopItem ];
meta = with lib; {
homepage = "https://github.com/hneemann/Digital";
description = pkgDescription;
license = licenses.gpl3Only;
platforms = [ "x86_64-linux" "x86_64-darwin" ];
maintainers = with maintainers; [ Dettorer ];
};
}
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