[elpa] externals/pinentry 33aa267 13/18: pinentry.el: Add debugging support

[Stefan Monnier]

branch: externals/pinentry
commit 33aa2673a9c2c6700ba428fd63e4202c37fd3352
Author: Daiki Ueno <ueno@gnu.org>
Commit: Daiki Ueno <ueno@gnu.org>

    pinentry.el: Add debugging support
    
    * pinentry.el (pinentry-debug): New variable.
    (pinentry-debug-buffer): New variable.
    (pinentry--process-filter): Send input to the debug buffer, if
    `pinentry-debug' is set.
---
 pinentry.el | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pinentry.el b/pinentry.el
index d7161bb..eaa9fa4 100644
--- a/pinentry.el
+++ b/pinentry.el
@@ -63,6 +63,8 @@
   :type 'integer
   :group 'pinentry)
 
+(defvar pinentry-debug nil)
+(defvar pinentry-debug-buffer nil)
 (defvar pinentry--server-process nil)
 (defvar pinentry--connection-process-list nil)
 
@@ -293,6 +295,13 @@ Assuan protocol."
         (setq pinentry--read-point (point-min))
         (make-local-variable 'pinentry--labels))))
   (with-current-buffer (process-buffer process)
+    (when pinentry-debug
+      (with-current-buffer
+          (or pinentry-debug-buffer
+              (setq pinentry-debug-buffer (generate-new-buffer
+                                           " *pinentry-debug*")))
+        (goto-char (point-max))
+        (insert input)))
     (save-excursion
       (goto-char (point-max))
       (insert input)