From ca6ded8296b46a09a3de03e07a75414e72e3c315 Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Fri, 5 Jan 2007 00:28:23 +0000
Subject: [PATCH] * epa.el (epa-encrypt-mail): Ask a user whether to skip a
 recipient whose public key is not available.

---
 ChangeLog |    5 +++++
 epa.el    |   19 +++++++++++++------
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 25edac7..e4424b7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-01-05  Daiki Ueno  <ueno@unixuser.org>
+
+	* epa.el (epa-encrypt-mail): Ask a user whether to skip a
+	recipient whose public key is not available.
+
 2007-01-04  Daiki Ueno  <ueno@unixuser.org>
 
 	* epa.el (epa-decrypt-mail): Renamed from epa-decrypt.
diff --git a/epa.el b/epa.el
index 579e9a3..d5d8298 100644
--- a/epa.el
+++ b/epa.el
@@ -1050,7 +1050,7 @@ Don't use this command in Lisp programs!"
    (save-excursion
      (let ((verbose current-prefix-arg)
 	   (context (epg-make-context epa-protocol))
-	   recipients)
+	   recipients recipient-keys)
        (goto-char (point-min))
        (when (epa--mail-mode-p)
 	 (save-restriction
@@ -1082,14 +1082,21 @@ Don't use this command in Lisp programs!"
 If no one is selected, symmetric encryption will be performed.  "
 		  recipients)
 	       (if recipients
-		   (delq nil
-			 (apply #'nconc
-				(mapcar
-				 (lambda (recipient)
+		   (apply #'nconc
+			  (mapcar
+			   (lambda (recipient)
+			     (setq recipient-keys
 				   (epg-list-keys
 				    (epg-make-context epa-protocol)
 				    (concat "<" recipient ">")))
-				 recipients)))))
+			     (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)
+			   recipients))))
 	     (setq sign (if verbose (y-or-n-p "Sign? ")))
 	     (if sign
 		 (epa-select-keys context
-- 
1.7.10.4