+(defvar notmuch--cli-sane-p nil
+ "Cache whether the CLI seems to be configured sanely.")
+
+(defun notmuch-cli-sane-p ()
+ "Return t if the cli seems to be configured sanely."
+ (unless notmuch--cli-sane-p
+ (let ((status (call-process notmuch-command nil nil nil
+ "config" "get" "user.primary_email")))
+ (setq notmuch--cli-sane-p (= status 0))))
+ notmuch--cli-sane-p)
+
+(defun notmuch-assert-cli-sane ()
+ (unless (notmuch-cli-sane-p)
+ (notmuch-logged-error
+ "notmuch cli seems misconfigured or unconfigured."
+"Perhaps you haven't run \"notmuch setup\" yet? Try running this
+on the command line, and then retry your notmuch command")))
+