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* mu4e: replaces sed with elisp in re-tag action

This commit is contained in:
D. LoBraico 2013-03-11 16:36:36 -05:00
parent a2fc0a26b9
commit fd53bde694
1 changed files with 29 additions and 8 deletions
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37
mu4e/mu4e-actions.el
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@ -189,6 +189,25 @@ store your org-contacts."
this setting on already tagged messages can lead to messages
with multiple tags headers")
(defun contains-line-matching (regexp path)
"Determine whether the file at path contains a line matching
the given regexp."
(with-temp-buffer
(insert-file-contents path)
(save-excursion (beginning-of-buffer)
(if (re-search-forward regexp nil t)
t
nil))))
(defun replace-first-line-matching (regexp to-string path)
"Replace the first line in the file at path that matches regexp
with the string replace"
(with-temp-file path
(insert-file-contents path)
(save-excursion (beginning-of-buffer)
(if (re-search-forward regexp nil t)
(replace-match to-string nil nil)))))
(defun mu4e-action-retag-message (msg &optional retag-arg)
"Change tags of a message. Example: +tag \"+long tag\" -oldtag
adds 'tag' and 'long tag', and removes oldtag."
@ -214,17 +233,19 @@ store your org-contacts."
(setq taglist (sort (delete-dups taglist) 'string<))
(setq tagstr (mapconcat 'identity taglist sep))
(setq tagstr (replace-regexp-in-string "[\\/&]" "\\\\\\&" tagstr))
(if (string= (shell-command-to-string (format "sed -n '1,/^$/ {/^%s:/I p}' \"%s\""
mu4e-action-tags-header path)) "")
(setq tagstr (replace-regexp-in-string "[\\&]" "\\\\\\&" tagstr))
(setq tagstr (replace-regexp-in-string "[/]" "\\&" tagstr))
(if (not (contains-line-matching (concat header ":.*") path))
;; Add tags header just before the content
(call-process "sed" nil nil nil "-i"
(format "1,/^$/s/^$/%s: %s\\n/I" header tagstr) path)
(replace-first-line-matching "^$" (concat header ": " tagstr "\n") path)
;; replaces keywords with sed, restricted to the header
(call-process "sed" nil nil nil "-i"
(format "1,/^$/s/^%s:.*$/%s: %s/I" header header tagstr) path))
;; replaces keywords, restricted to the header
(replace-first-line-matching
(concat header ":.*")
(concat header ": " tagstr)
path))
(mu4e-message (concat "tagging: " (mapconcat 'identity taglist ", ")))
(mu4e-refresh-message path maildir)))