diff --git a/dev-ruby/terrapin/Manifest b/dev-ruby/terrapin/Manifest
new file mode 100644
index 0000000000000..d23273fa97395
--- /dev/null
+++ b/dev-ruby/terrapin/Manifest
@@ -0,0 +1 @@
+DIST terrapin-0.6.0.gem 17408 BLAKE2B edcbbd409caf0aa373211aa59bd810eb0e6989106140a9bc6f5bbb205d02b18a43ecc8ef21d1f98ca769320d4d6b78ea1281dcaad76d7a6a2535eef5544d19f9 SHA512 e001446e2fb98f31c97b8af3a6596984b30eaa24b493cfcf486caaa388a17c7cf037eb0db5a78ebf0cd45648fa254a29a895be21b576a3d62b4695460d693378
diff --git a/dev-ruby/terrapin/metadata.xml b/dev-ruby/terrapin/metadata.xml
new file mode 100644
index 0000000000000..28ab0c15f2065
--- /dev/null
+++ b/dev-ruby/terrapin/metadata.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<maintainer type="project">
+	<email>ruby@gentoo.org</email>
+	<name>Gentoo Ruby Project</name>
+</maintainer>
+</pkgmetadata>
diff --git a/dev-ruby/terrapin/terrapin-0.6.0.ebuild b/dev-ruby/terrapin/terrapin-0.6.0.ebuild
new file mode 100644
index 0000000000000..32e3a710060ca
--- /dev/null
+++ b/dev-ruby/terrapin/terrapin-0.6.0.ebuild
@@ -0,0 +1,33 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+USE_RUBY="ruby22 ruby23 ruby24"
+
+RUBY_FAKEGEM_RECIPE_DOC="rdoc"
+RUBY_FAKEGEM_EXTRADOC="NEWS.md README.md"
+
+RUBY_FAKEGEM_RECIPE_TEST="rspec3"
+
+#RUBY_FAKEGEM_GEMSPEC="${PN}.gemspec"
+
+inherit ruby-fakegem
+
+DESCRIPTION="Run shell commands safely, even with user-supplied values"
+HOMEPAGE="https://github.com/thoughtbot/terrapin"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE=""
+
+# posix-spawn is not a mandatory dependency but recommended in the
+# README.
+ruby_add_rdepend "dev-ruby/climate_control:0 dev-ruby/posix-spawn"
+
+ruby_add_bdepend "
+	test? (
+		>=dev-ruby/activesupport-3  <dev-ruby/activesupport-5
+		dev-ruby/bourne
+		dev-ruby/mocha
+	)"