On Sat, 15 Dec 2012, Austin Clements <amdragon at MIT.EDU> wrote:
> This slightly changes the output of an existing test since we now
> report non-zero exits with a pop-up buffer instead of at the end of
> the search results.
> ---
>  emacs/notmuch-lib.el           |   13 +++++++++++++
>  emacs/notmuch.el               |   13 ++++++++-----
>  test/emacs-large-search-buffer |    2 +-
>  3 files changed, 22 insertions(+), 6 deletions(-)
>
> diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
> index 9222de8..cf61635 100644
> --- a/emacs/notmuch-lib.el
> +++ b/emacs/notmuch-lib.el
> @@ -332,6 +332,19 @@ the user dismisses it."
>       (goto-char (point-min))))
>      (pop-to-buffer buf)))
>  
> +(defun notmuch-check-async-exit-status (proc msg)
> +  "If PROC exited abnormally, pop up an error buffer and signal an error.
> +
> +This is a wrapper around `notmuch-check-exit-status' for
> +asynchronous process sentinels.  PROC and MSG must be the
> +arguments passed to the sentinel."
> +  (let ((exit-status
> +      (case (process-status proc)
> +        ((exit) (process-exit-status proc))
> +        ((signal) msg))))
> +    (when exit-status
> +      (notmuch-check-exit-status exit-status (process-command proc)))))
> +
>  (defun notmuch-check-exit-status (exit-status command &optional output 
> err-file)
>    "If EXIT-STATUS is non-zero, pop up an error buffer and signal an error.
>  
> diff --git a/emacs/notmuch.el b/emacs/notmuch.el
> index e25b54e..c20de13 100644
> --- a/emacs/notmuch.el
> +++ b/emacs/notmuch.el
> @@ -637,6 +637,7 @@ of the result."
>       (exit-status (process-exit-status proc))
>       (never-found-target-thread nil))
>      (when (memq status '(exit signal))
> +      (catch 'return
>       (kill-buffer (process-get proc 'parse-buf))
>       (if (buffer-live-p buffer)
>           (with-current-buffer buffer
> @@ -647,17 +648,19 @@ of the result."
>                 (if (eq status 'signal)
>                     (insert "Incomplete search results (search process was 
> killed).\n"))
>                 (when (eq status 'exit)
> -                 (insert "End of search results.")
> -                 (unless (= exit-status 0)
> -                   (insert (format " (process returned %d)" exit-status)))
> -                 (insert "\n")
> +                 (insert "End of search results.\n")
> +                 (condition-case err
> +                     (notmuch-check-async-exit-status proc msg)
> +                   ;; Suppress the error signal since strange
> +                   ;; things happen if a sentinel signals.
> +                   (error (throw 'return nil)))

A total triviality (mostly just to check that I am understanding these
parts): is the "err" after the condition-case used/needed?

Best wishes

Mark
>                   (if (and atbob
>                            (not (string= notmuch-search-target-thread 
> "found")))
>                       (set 'never-found-target-thread t)))))
>             (when (and never-found-target-thread
>                      notmuch-search-target-line)
>                 (goto-char (point-min))
> -               (forward-line (1- notmuch-search-target-line))))))))
> +               (forward-line (1- notmuch-search-target-line)))))))))
>  
>  (defcustom notmuch-search-line-faces '(("unread" :weight bold)
>                                      ("flagged" :foreground "blue"))
> diff --git a/test/emacs-large-search-buffer b/test/emacs-large-search-buffer
> index 678328d..9dcbef5 100755
> --- a/test/emacs-large-search-buffer
> +++ b/test/emacs-large-search-buffer
> @@ -36,7 +36,7 @@ test_emacs '(notmuch-search "--this-option-does-not-exist")
>  cat <<EOF >EXPECTED
>  Error: Unexpected output from notmuch search:
>  Unrecognized option: --this-option-does-not-exist
> -End of search results. (process returned 1)
> +End of search results.
>  EOF
>  test_expect_equal_file OUTPUT EXPECTED
>  
> -- 
> 1.7.10.4

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