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emacs: allow notmuch-tag to accept string inputs and prompt for tags

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notmuch-tag is extended to accept various formats of the tag changes.
In particular, user prompting for tag changes is now incorporated
here, so it is common for modes.

The tag binary and the notmuch-{before,after}-tag-hooks are only
called if tag changes is non-nil.

In all cases tag-changes is returned as a list.
This commit is contained in:
Jameson Graef Rollins 2012-04-14 13:49:07 -07:00 committed by David Bremner
parent eb8feb1666
commit 97aa3c0659
1 changed files with 15 additions and 5 deletions
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20
emacs/notmuch-tag.el
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@ -108,18 +108,26 @@ from TAGS if present."
(error "Changed tag must be of the form `+this_tag' or `-that_tag'")))))
(sort result-tags 'string<)))
(defun notmuch-tag (query &rest tag-changes)
(defun notmuch-tag (query &optional tag-changes)
"Add/remove tags in TAG-CHANGES to messages matching QUERY.
TAG-CHANGES should be a list of strings of the form \"+tag\" or
\"-tag\" and QUERY should be a string containing the
search-query.
QUERY should be a string containing the search-terms.
TAG-CHANGES can take multiple forms. If TAG-CHANGES is a list of
strings of the form \"+tag\" or \"-tag\" then those are the tag
changes applied. If TAG-CHANGES is a string then it is
interpreted as a single tag change. If TAG-CHANGES is the string
\"-\" or \"+\", or null, then the user is prompted to enter the
tag changes.
Note: Other code should always use this function alter tags of
messages instead of running (notmuch-call-notmuch-process \"tag\" ..)
directly, so that hooks specified in notmuch-before-tag-hook and
notmuch-after-tag-hook will be run."
;; Perform some validation
(if (string-or-null-p tag-changes)
(if (or (string= tag-changes "-") (string= tag-changes "+") (null tag-changes))
(setq tag-changes (notmuch-read-tag-changes tag-changes query))
(setq tag-changes (list tag-changes))))
(mapc (lambda (tag-change)
(unless (string-match-p "^[-+]\\S-+$" tag-change)
(error "Tag must be of the form `+this_tag' or `-that_tag'")))
@ -128,7 +136,9 @@ notmuch-after-tag-hook will be run."
(run-hooks 'notmuch-before-tag-hook)
(apply 'notmuch-call-notmuch-process "tag"
(append tag-changes (list "--" query)))
(run-hooks 'notmuch-after-tag-hook)))
(run-hooks 'notmuch-after-tag-hook))
;; in all cases we return tag-changes as a list
tag-changes)
;;