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bug#33187: 27.0.50; flymake-mode's lighter shows incorrect diagnostic co


From: Michał Krzywkowski
Subject: bug#33187: 27.0.50; flymake-mode's lighter shows incorrect diagnostic count
Date: Sat, 27 Oct 2018 14:25:22 +0200
User-agent: Zoho Mail

After evaluating the sexp below, flymake's lighter shows [0 0]
diagnostics, despite the fact that a warning is present in the buffer.
If you uncomment the comment, flymake correctly shows that there are [1 1] 
diagnostics.

  (with-current-buffer (get-buffer-create "*scratch*")
    (erase-buffer)
    (insert "aaaaa")

    (put 'my-warning 'flymake-category 'flymake-warning)
    (put 'my-error 'flymake-category 'flymake-error)

    (defun check-buffer (fn &rest)
      (with-current-buffer "*scratch*"
        (funcall 
         fn (list 
             (flymake-make-diagnostic (current-buffer) 1 2 'my-warning 
"Warning.")
             ;; (flymake-make-diagnostic (current-buffer) 2 3 'my-error 
"Error.")
             ))))

    (setq flymake-diagnostic-functions '(check-buffer))
    (flymake-mode +1)
    (pop-to-buffer (current-buffer)))

The attached patch fixes this issue.

Repository revision: 3e81e9a0e7742197354515f3d3ea55fdb201eb29

Attachment: 0001-Fix-Flymake-s-lighter-displaying-incorrect-diagnosti.patch
Description: Binary data


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