confz

commit 0287d3b3f5ce3e3a491321e37c770bb7cc2f9b84
parent 45a99ba7eb60b339c7ca64fdd886665ae4050ac7
Author: Jan Pobrislo <ccx@webprojekty.cz>
Date:   Tue, 21 Apr 2015 01:44:34 +0200

fix cmp handling
Diffstat:
M
zsh-functions/confz_fs_init
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/zsh-functions/confz_fs_init b/zsh-functions/confz_fs_init
@@ -70,9 +70,12 @@ confz_disklabel_dos_check() {
 # embed file in MBR
 confz_mbr_code_check() {
 	checkvars device from
-	if cmp -n 440 $vars[device] $vars[from]; then
+	local out
+	out=$( cmp -n 440 $vars[device] $vars[from] ) || die "$0: cmp failed"
+	if [[ -z $out ]]; then
 		return 0
 	else
+		fail_reason=$out
 		do_command=( dd bs=440B count=1 if=$vars[from] of=$vars[device] )
 	fi
 }