diff --git a/ruby-method_source/PKGBUILD b/ruby-method_source/PKGBUILD
new file mode 100644
index 0000000..4d195d7
--- /dev/null
+++ b/ruby-method_source/PKGBUILD
@@ -0,0 +1,45 @@
+# Maintainer: George Rawlinson <grawlinson@archlinux.org>
+
+_gemname=method_source
+pkgname=ruby-$_gemname
+pkgver=1.0.0
+pkgrel=1
+pkgdesc="Retrieve the source code for a method"
+arch=('any')
+url="https://github.com/banister/method_source"
+license=('MIT')
+depends=('ruby')
+makedepends=('ruby-rdoc')
+options=('!emptydirs')
+source=("https://rubygems.org/downloads/$_gemname-$pkgver.gem")
+noextract=("$_gemname-$pkgver.gem")
+b2sums=('1b6b4c23b2e73972acb69bf488f39d88fae3bffdc4e28559d880ce817199b9c1da8183f10cf8be5122535415b938c9f3964c9b4bade1dfba7fb4457c052185dd')
+
+package() {
+  local _gemdir="$(ruby -e'puts Gem.default_dir')"
+
+  gem install \
+    --verbose \
+    --ignore-dependencies \
+    --no-user-install \
+    --install-dir "$pkgdir/$_gemdir" \
+    --bindir "$pkgdir/usr/bin" \
+    "$_gemname-$pkgver.gem"
+
+  # delete cache
+  cd "$pkgdir/$_gemdir"
+  rm -vrf cache
+
+  # delete unnecessary files & folders
+  cd "gems/$_gemname-$pkgver"
+  find . -type f -name ".*" -delete
+  rm -vrf .circleci spec Gemfile Rakefile "$_gemname.gemspec"
+
+  # move documentation
+  install -vd "$pkgdir/usr/share/doc/$pkgname"
+  mv -vt "$pkgdir/usr/share/doc/$pkgname" CHANGELOG.md README.markdown
+
+  # move license
+  install -vd "$pkgdir/usr/share/licenses/$pkgname"
+  mv -vt "$pkgdir/usr/share/licenses/$pkgname" LICENSE
+}