Re: [PATCH] emacs: add a function to heuristically test if the CLI is configured OK.

diff --git a/11/70cc0de284fb9dab0375e82ac1f706e122ca88 b/11/70cc0de284fb9dab0375e82ac1f706e122ca88
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+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: David Bremner <david@tethera.net>, notmuch@notmuchmail.org\r
+Subject: Re: [PATCH] emacs: add a function to heuristically test if the CLI is\r
+       configured OK.\r
+In-Reply-To: <1390763615-24477-1-git-send-email-david@tethera.net>\r
+References: <1390762444-18793-1-git-send-email-david@tethera.net>\r
+       <1390763615-24477-1-git-send-email-david@tethera.net>\r
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+Date: Sun, 26 Jan 2014 21:54:24 +0200\r
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+\r
+On Sun, Jan 26 2014, David Bremner <david@tethera.net> wrote:\r
+\r
+> We cache the result so that we can call the function many places\r
+> without worrying about the cost.\r
+> ---\r
+> thanks to Tomi for catching the typos (uncommitted changes on my end).\r
+\r
+Series LGTM.\r
+\r
+Tomi\r
+\r
+>\r
+>  emacs/notmuch-lib.el | 11 +++++++++++\r
+>  1 file changed, 11 insertions(+)\r
+>\r
+> diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el\r
+> index 2be409b..140d760 100644\r
+> --- a/emacs/notmuch-lib.el\r
+> +++ b/emacs/notmuch-lib.el\r
+> @@ -168,6 +168,17 @@ Otherwise the output will be returned"\r
+>        (notmuch-check-exit-status status (cons notmuch-command args) output)\r
+>        output)))\r
+>  \r
+> +(defvar notmuch--cli-sane-p nil\r
+> +  "Cache whether the CLI seems to be configured sanely.")\r
+> +\r
+> +(defun notmuch-cli-sane-p ()\r
+> +  "Return t if the cli seems to be configured sanely."\r
+> +  (unless notmuch--cli-sane-p\r
+> +    (let ((status (call-process notmuch-command nil nil nil\r
+> +                            "config" "get" "user.primary_email")))\r
+> +      (setq notmuch--cli-sane-p (= status 0))))\r
+> +  notmuch--cli-sane-p)\r
+> +\r
+>  (defun notmuch-version ()\r
+>    "Return a string with the notmuch version number."\r
+>    (let ((long-string\r
+> -- \r
+> 1.8.5.2\r
+>\r
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