From my developer overlay. Ebuild contributed by me.
Signed-off-by: Ulrich Müller <ulm@gentoo.org>
Package-Manager: Portage-2.3.50, Repoman-2.3.11
--- /dev/null
+DIST geteltorito-0.6.tar.gz 11971 BLAKE2B 8d02c48477a7a37287028c68a3a647bb19b07b299818bf589d40537d0af0d044c85d421a149ce9f8a2fc5bb4d6f4db20b90da29fae35267eaf9d58b73c6f4159 SHA512 c9823b8dffaf98d08383606aa21971605a001880bf7abfe614be4380963237ab55f0fcaeb6be393a3902b5d1dc43ce283ca16ef40ea142b2b2d825d3467e31e9
--- /dev/null
+# Copyright 2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DESCRIPTION="El Torito boot image extractor"
+HOMEPAGE="https://userpages.uni-koblenz.de/~krienke/"
+SRC_URI="https://userpages.uni-koblenz.de/~krienke/ftp/noarch/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND="dev-lang/perl"
+
+S="${WORKDIR}/${PN}"
+
+src_install() {
+ dobin geteltorito
+ dodoc README
+}
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<maintainer type="person">
+ <email>ulm@gentoo.org</email>
+</maintainer>
+</pkgmetadata>