[PATCH] org-mobile.org: Properly escape checksum binary path

[Jacob Matthews <matthewsj@google.com>]

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Hi ---

After lots of debugging last night on why MobileOrg wasn't seeing org-mode
files I pushed from my Windows computer, I found a bug in org-mobile.el
that appears to affect all platforms -- if the full path to the checksum
binary contains a space then checksumming will silently fail.

Attached is a fix.

-jacob

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From 3a92b2a5411aabb096ad592efe7d2dc085653ee6 Mon Sep 17 00:00:00 2001
From: Jacob Matthews <matthewsj@google.com>
Date: Tue, 7 Apr 2015 12:52:25 -0500
Subject: [PATCH] org-mobile.org: Properly escape checksum binary path

* lisp/org-mobile.org (org-mobile-copy-agenda-files): Escape org-mobile-checksum-binary.

Fix a bug where if the checksum binary is in a non shell-safe path, then
the shell invocation silently fails. This can happen on any platform but
is probably worst on Windows where it's common to put programs in
"C:/Program Files".
---
 lisp/org-mobile.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/org-mobile.el b/lisp/org-mobile.el
index c2828a9..2c13802 100644
--- a/lisp/org-mobile.el
+++ b/lisp/org-mobile.el
@@ -499,7 +499,8 @@ agenda view showing the flagged items."
 	    (org-mobile-encrypt-and-move file target-path)
 	  (copy-file file target-path 'ok-if-exists))
 	(setq check (shell-command-to-string
-		     (concat org-mobile-checksum-binary " "
+		     (concat (shell-quote-argument org-mobile-checksum-binary)
+			     " "
 			     (shell-quote-argument (expand-file-name file)))))
 	(when (string-match "[a-fA-F0-9]\\{30,40\\}" check)
 	  (push (cons link-name (match-string 0 check))
-- 
2.2.0.rc0.207.ga3a616c