dev-java/automaton: new package, add 1.12.4

Signed-off-by: Michal Andrzejczak <mit.mis@gmail.com>

dev-java/automaton/Manifest

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+DIST automaton-1.12-4.tar.gz 396799 BLAKE2B 9dfb80e5a0559778329d42645a4d14867f784ab6c34879bb2f09e2f9ac5e3c797c42ec62c1638285a1a16d3b36e71110b3c7c56b194ad8edbe1cebe34499cae0 SHA512 73a1d4036061df75a64ff887d4aa8c065b23d73daec6c5f492234ec9d3cfb6bd5a428a5743d0dd04be185b715245aeb0b4966c653c643c23ad8c5def56c3e481

dev-java/automaton/automaton-1.12.4.ebuild

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+# Copyright 2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+JAVA_PKG_IUSE="doc source"
+
+inherit java-pkg-2 java-pkg-simple
+
+MY_P="${PN}-${PV%.*}-${PV##*.}"
+
+DESCRIPTION="Finite-state automata and regular expressions for Java"
+HOMEPAGE="https://www.brics.dk/automaton/"
+SRC_URI="https://www.brics.dk/automaton/${MY_P}.tar.gz"
+S="${WORKDIR}/${MY_P%-*}"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+
+DEPEND=">=virtual/jdk-1.8:*"
+RDEPEND=">=virtual/jre-1.8:*"
+
+JAVA_SRC_DIR="src"
+
+src_compile() {
+	java-pkg-simple_src_compile
+
+	mkdir datatypes || die
+	java -cp "${JAVA_JAR_FILENAME}" -Ddk.brics.automaton.datatypes=datatypes \
+		dk.brics.automaton.Datatypes || die
+
+	jar tf dist/automaton.jar > "${T}/upstream-entries" || die
+	grep '\.aut$' "${T}/upstream-entries" > "${T}/expected-datatypes" || die
+
+	local datatype
+	while IFS= read -r datatype; do
+		[[ -s datatypes/${datatype} ]] || die "Missing or empty datatype: ${datatype}"
+	done < "${T}/expected-datatypes"
+
+	java-pkg_addres "${JAVA_JAR_FILENAME}" datatypes
+}

dev-java/automaton/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>mit.mis@gmail.com</email>
+		<name>Michal Andrzejczak</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">cs-au-dk/dk.brics.automaton</remote-id>
+	</upstream>
+</pkgmetadata>