Merge pull request #1231 from Alanaktion/pinentry

Add GPG pinentry

packages/pinentry.rb

+require 'package'
+
+class Pinentry < Package
+  description "A collection of passphrase entry dialogs which is required for almost all usages of GnuPG"
+  homepage 'https://gnupg.org/software/pinentry/index.html'
+  version '1.0.0'
+  source_url 'https://gnupg.org/ftp/gcrypt/pinentry/pinentry-1.0.0.tar.bz2'
+  source_sha256 '1672c2edc1feb036075b187c0773787b2afd0544f55025c645a71b4c2f79275a'
+
+  depends_on 'gnupg'
+  depends_on 'libcap'
+  depends_on 'ncurses'
+
+  def self.build
+    system "CPPFLAGS=-I#{CREW_PREFIX}/include/ncurses ./configure --prefix=#{CREW_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end