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Fix bugs in `auth-source-netrc-parse-one'.

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* lisp/auth-source.el (auth-source-netrc-parse-one): Ensure that match
  data is not overwritten in `auth-source-netrc-parse-next-interesting'.
  Ensure that blanks are skipped before and after going over comments
  and eols.
* test/lisp/auth-source-tests.el (auth-source-test-netrc-parse-one): New test.

(cherry picked from commit 60ff810144)
This commit is contained in:
Filipp Gunbin 2018-05-15 03:02:49 +03:00 committed by Noam Postavsky
parent 71c92d8913
commit 5e42c349a0
2 changed files with 26 additions and 5 deletions
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12
lisp/auth-source.el
View File

@ -984,12 +984,13 @@ Note that the MAX parameter is used so we can exit the parse early."
(defun auth-source-netrc-parse-next-interesting ()
"Advance to the next interesting position in the current buffer."
(skip-chars-forward "\t ")
;; If we're looking at a comment or are at the end of the line, move forward
(while (or (looking-at "#")
(while (or (eq (char-after) ?#)
(and (eolp)
(not (eobp))))
(forward-line 1))
(skip-chars-forward "\t "))
(forward-line 1)
(skip-chars-forward "\t ")))
(defun auth-source-netrc-parse-one ()
"Read one thing from the current buffer."
@ -999,8 +1000,9 @@ Note that the MAX parameter is used so we can exit the parse early."
(looking-at "\"\\([^\"]*\\)\"")
(looking-at "\\([^ \t\n]+\\)"))
(forward-char (length (match-string 0)))
(auth-source-netrc-parse-next-interesting)
(match-string-no-properties 1)))
(prog1
(match-string-no-properties 1)
(auth-source-netrc-parse-next-interesting))))
;; with thanks to org-mode
(defsubst auth-source-current-line (&optional pos)

19
test/lisp/auth-source-tests.el
View File

@ -210,6 +210,25 @@
("login" . "user1")
("machine" . "mymachine1"))))))
(ert-deftest auth-source-test-netrc-parse-one ()
(should (equal (auth-source--test-netrc-parse-one--all
"machine host1\n# comment\n")
'("machine" "host1")))
(should (equal (auth-source--test-netrc-parse-one--all
"machine host1\n \n \nmachine host2\n")
'("machine" "host1" "machine" "host2"))))
(defun auth-source--test-netrc-parse-one--all (text)
"Parse TEXT with `auth-source-netrc-parse-one' until end,return list."
(with-temp-buffer
(insert text)
(goto-char (point-min))
(let ((one (auth-source-netrc-parse-one)) all)
(while one
(push one all)
(setq one (auth-source-netrc-parse-one)))
(nreverse all))))
(ert-deftest auth-source-test-format-prompt ()
(should (equal (auth-source-format-prompt "test %u %h %p" '((?u "user") (?h "host")))
"test user host %p")))