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emacs: poll: return useful errors when poll fails.

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Previously poll called from emacs would fail silently. This makes it
return a useful error message.

In the non-deprecated case of notmuch new and appropriate hooks, it
uses notmuch-call-notmuch-process which gives an error and
additionally puts the stdout/stderr etc in the *Notmuch errors*
buffer.

In the deprecated case of a custom poll script it only returns an
error message.

Commit based on a bug report, and a potential fix, by Ketil Malde.
This commit is contained in:
Mark Walters 2015-10-28 18:28:39 +00:00 committed by David Bremner
parent 3270eea39f
commit 4c7a592d49
1 changed files with 3 additions and 2 deletions
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5
emacs/notmuch-lib.el
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@ -240,8 +240,9 @@ depending on the value of `notmuch-poll-script'."
(interactive)
(if (stringp notmuch-poll-script)
(unless (string= notmuch-poll-script "")
(call-process notmuch-poll-script nil nil))
(call-process notmuch-command nil nil nil "new")))
(unless (equal (call-process notmuch-poll-script nil nil) 0)
(error "Notmuch: poll script `%s' failed!" notmuch-poll-script)))
(notmuch-call-notmuch-process "new")))
(defun notmuch-bury-or-kill-this-buffer ()
"Undisplay the current buffer.