[PATCH 1/2] gnu: Add minimal pinentry.

[Efraim Flashner]

* gnu/packages/gnupg.scm (pinentry): Rename pinentry-gtk, inherit from
pinentry.
[arguments]: Add pinentry-tty flag.
[inputs]: Use gtk+-2, glib for pinentry-gtk2 only.
[description]: Modify description based on inputs.
---
 gnu/packages/gnupg.scm | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index d447007..71f6ece 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -580,21 +580,33 @@ including tools for signing keys, keyring analysis, and 
party preparation.
                (base32
                 "1cp7wjqr6nx31mdclr61s2h84ijqjl0ph99kgj4vyawpjj1j1633"))))
     (build-system gnu-build-system)
+    (arguments
+     `(#:configure-flags '("--enable-pinentry-tty")))
     (inputs
      `(("ncurses" ,ncurses)
        ("libassuan" ,libassuan)
-       ("libsecret" ,libsecret "out")
-       ("gtk+" ,gtk+-2)
-       ("glib" ,glib)))
+       ("libsecret" ,libsecret "out")))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (home-page "https://gnupg.org/aegypten2/";)
     (synopsis "GnuPG's interface to passphrase input")
     (description
-     "Pinentry provides a console and a GTK+ GUI that allows users to
-enter a passphrase when `gpg' or `gpg2' is run and needs it.")
+     "Pinentry provides a console that allows users to enter a passphrase when
address@hidden or @code{gpg2} is run and needs it.")
     (license license:gpl2+)))
 
+(define-public pinentry-gtk2
+  (package
+    (inherit pinentry)
+    (name "pinentry-gtk2")
+    (inputs
+     `(("gtk+" ,gtk+-2)
+       ("glib" ,glib)
+       ,@(package-inputs pinentry)))
+    (description
+     "Pinentry provides a console and a GTK+ GUI that allows users to enter a
+passphrase when @code{gpg} or @code{gpg2} is run and needs it.")))
+
 (define-public paperkey
   (package
     (name "paperkey")
-- 
2.8.1