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emacs: hello: make --batch error gracefully

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Recently notmuch-hello was converted to use batch count. However, it
seems that several people run different versions of notmuch-emacs and
notmuch-cli so this batch makes emacs fail with an error message if
--batch is not available in the CLI.

Amended by: db
This commit is contained in:
Mark Walters 2013-07-04 23:18:19 +01:00 committed by David Bremner
parent bd4704aa5c
commit e395f4507d
1 changed files with 7 additions and 2 deletions
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9
emacs/notmuch-hello.el
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@ -402,8 +402,13 @@ options will be handled as specified for
(plist-get options :filter)))
"\n")))
(call-process-region (point-min) (point-max) notmuch-command
t t nil "count" "--batch")
(unless (= (call-process-region (point-min) (point-max) notmuch-command
t t nil "count" "--batch") 0)
(notmuch-logged-error "notmuch count --batch failed"
"Please check that the notmuch CLI is new enough to support `count
--batch'. In general we recommend running matching versions of
the CLI and emacs interface."))
(goto-char (point-min))
(notmuch-remove-if-not