From 457d4019672859aab6ba0f2c77bf13423d2b6d30 Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Fri, 5 Jan 2007 00:34:43 +0000
Subject: [PATCH] * pgg-epg.el (pgg-epg-encrypt-region): Ask a user whether to
 skip a recipient whose public key is not available.

---
 ChangeLog  |    2 ++
 pgg-epg.el |   29 +++++++++++++++++++----------
 2 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index e4424b7..2b15539 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2007-01-05  Daiki Ueno  <ueno@unixuser.org>
 
+	* pgg-epg.el (pgg-epg-encrypt-region): Ask a user whether to skip a
+	recipient whose public key is not available.
 	* epa.el (epa-encrypt-mail): Ask a user whether to skip a
 	recipient whose public key is not available.
 
diff --git a/pgg-epg.el b/pgg-epg.el
index 86c6155..16fe555 100644
--- a/pgg-epg.el
+++ b/pgg-epg.el
@@ -65,7 +65,7 @@ If optional PASSPHRASE is not specified, it will be obtained from the
 passphrase cache or user."
   (let ((context (epg-make-context))
 	(inhibit-redisplay t)		;Gnus users don't like flickering
-	cipher)
+	cipher recipient-keys)
     (epg-context-set-armor context t)
     (epg-context-set-textmode context pgg-text-mode)
     (epg-context-set-passphrase-callback context #'pgg-epg-passphrase-callback)
@@ -76,15 +76,24 @@ passphrase cache or user."
       (erase-buffer))
     (condition-case error
 	(setq cipher
-	      (epg-encrypt-string context
-				  (buffer-substring start end)
-				  (mapcar
-				   (lambda (recipient)
-				     (car (epg-list-keys context recipient)))
-				   (if pgg-encrypt-for-me
-				       (cons pgg-default-user-id recipients)
-				     recipients))
-				  sign t)
+	      (epg-encrypt-string
+	       context
+	       (buffer-substring start end)
+	       (apply #'nconc
+		      (mapcar
+		       (lambda (recipient)
+			 (setq recipient-keys
+			       (epg-list-keys context recipient))
+			 (unless (or recipient-keys
+				     (y-or-n-p
+				      (format "No public key for %s; skip it? "
+					      recipient)))
+			   (error "No public key for %s" recipient))
+			 recipient-keys)
+		       (if pgg-encrypt-for-me
+			   (cons pgg-default-user-id recipients)
+			 recipients)))
+	       sign t)
 	      pgg-epg-secret-key-id-list nil)
       (error
        (while pgg-epg-secret-key-id-list
-- 
1.7.10.4