GNU bug report logs - #35418
[PATCH] Don't poll auto-revert files that use notification

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From: Zhang Haijun <ccsmile2008 <at> outlook.com>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: "35418 <at> debbugs.gnu.org" <35418 <at> debbugs.gnu.org>
Subject: bug#35418: [PATCH] Don't poll auto-revert files that use notification
Date: Wed, 1 May 2019 02:59:47 +0000

I haven’t run the test before. It seems that directory watching doesn’t work for file content only change. But it works for many common use cases while file watching doesn’t work.

1. Use vim to modify the file and save. It seems that vim will write to a temp file, then remove the original file and then rename the temp file to original file name.
2. Use git to switch branch.
3. For files in a soft link directory.

So directory watching is much more usefull for me than file watching in everyday use. 



> 在 2019年5月1日，上午10:15，张海君 <ccsmile2008 <at> outlook.com> 写道：
> 
> 
>> I don't understand the patch. Symbol kqueue11 does not exist, so do you mean
>> 
>> +                  func dir
> Yes.
> 
>> 
>> And have you applied the tests in filenotify-tests.el? Do all of them pass?
>> 
>> Best regards, Michael.
> 
> $ make -C test autorevert-tests
> ELC      lisp/autorevert-tests.elc
> GEN      lisp/autorevert-tests.log
> Running 5 tests (2019-05-01 10:06:38+0800)
> Reverting buffer `auto-revert-testqe4qed'.
>  passed  1/5  auto-revert-test00-auto-revert-mode
> (Shell command succeeded with no output)
> Test auto-revert-test01-auto-revert-several-files backtrace:
> signal(ert-test-failed (((should (string-match "another text" (buffe
> ert-fail(((should (string-match "another text" (buffer-string))) :fo
> (if (unwind-protect (setq value-40 (apply fn-38 args-39)) (setq form
> (let (form-description-42) (if (unwind-protect (setq value-40 (apply
> (let ((value-40 (quote ert-form-evaluation-aborted-41))) (let (form-
> (let* ((fn-38 (function string-match)) (args-39 (condition-case err
> (save-current-buffer (set-buffer buf) (auto-revert--wait-for-revert
> (while --dolist-tail-- (setq buf (car --dolist-tail--)) (save-curren
> (let ((--dolist-tail-- (list buf1 buf2)) buf) (while --dolist-tail--
> (progn (write-region "any text" nil tmpfile1 nil (quote no-message))
> (unwind-protect (progn (write-region "any text" nil tmpfile1 nil (qu
> (let* ((auto-revert--messages "") (g30 (function (lambda (msg) (setq
> (unwind-protect (let* ((auto-revert--messages "") (g30 (function (la
> (let* ((cp (executable-find "cp")) (tmpdir1 (make-temp-file "auto-re
> (lambda nil (let* ((fn-23 (function executable-find)) (args-24 (cond
> ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
> ert-run-test(#s(ert-test :name auto-revert-test01-auto-revert-severa
> ert-run-or-rerun-test(#s(ert--stats :selector (not (tag :unstable))
> ert-run-tests((not (tag :unstable)) #f(compiled-function (event-type
> ert-run-tests-batch((not (tag :unstable)))
> ert-run-tests-batch-and-exit((not (tag :unstable)))
> eval((ert-run-tests-batch-and-exit (quote (not (tag :unstable)))))
> command-line-1(("-L" ":." "-l" "ert" "-l" "lisp/autorevert-tests.el"
> command-line()
> normal-top-level()
> Test auto-revert-test01-auto-revert-several-files condition:
>   (ert-test-failed
>    ((should
>      (string-match "another text"
>                    (buffer-string)))
>     :form
>     (string-match "another text" "any text")
>     :value nil))
>  FAILED  2/5  auto-revert-test01-auto-revert-several-files
> Reverting buffer `auto-revert-test49vRly'.
> Reverting buffer `auto-revert-test49vRly'.
> Reverting buffer `auto-revert-test49vRly'.
>  passed  3/5  auto-revert-test02-auto-revert-deleted-file
> Reverting buffer `auto-revert-testvVIyEY'.
>  passed  4/5  auto-revert-test03-auto-revert-tail-mode
> ls does not support --dired; see `dired-use-ls-dired' for more details.
> Reverting buffer `T'.
> Reverting buffer `T'.
>  passed  5/5  auto-revert-test04-auto-revert-mode-dired
> 
> Ran 5 tests, 4 results as expected, 1 unexpected (2019-05-01 10:07:23+0800)
> 
> 1 unexpected results:
>  FAILED  auto-revert-test01-auto-revert-several-files
> 
> make[1]: *** [lisp/autorevert-tests.log] Error 1
> make: *** [lisp/autorevert-tests] Error 2
> 

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