[patch] Change the C-style for loop to a while loop

0001-dm-crypt-start.sh-shouldn-t-contain-bashisms.patch (text/plain), 1.21 KB, created by Petr Šabata on 2011-05-18 17:22:48 UTC

From 5379e567cd1c1e7c7ffa6f881a05e183831b488e Mon Sep 17 00:00:00 2001
From: Petr Sabata <[e-mail]>
Date: Wed, 18 May 2011 19:13:31 +0200
Subject: [PATCH] dm-crypt-start.sh shouldn't contain bashisms

All shell scripts should be POSIX compatible, not depending on a
specific shell implementation without explicitly stating so. This patch
changes the fixes C-style for loop to a while equivalent.

Signed-off-by: Petr Sabata <[e-mail]>
---
 dm-crypt-start.sh |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/dm-crypt-start.sh b/dm-crypt-start.sh
index c78f0bc..38c4b20 100644
--- a/dm-crypt-start.sh
+++ b/dm-crypt-start.sh
@@ -150,13 +150,14 @@ dm_crypt_execute_dmcrypt() {
 		: ${gpg_options:='-q -d'}
 		# gpg available ?
 		if type -p gpg >/dev/null ; then
-			for (( i = 0 ; i < 3 ; i++ ))
+			i=0; while [ $i -lt 3 ]
 			do
 				# paranoid, don't store key in a variable, pipe it so it stays very little in ram unprotected.
 				# save stdin stdout stderr "values"
 				gpg ${gpg_options} ${key} 2>/dev/null | cryptsetup ${options} ${arg1} ${arg2} ${arg3}
 				ret="$?"
 				[ "$ret" -eq 0 ] && break
+				i=$(($i+1))
 			done
 			eend "${ret}" "failure running cryptsetup"
 		else
-- 
1.7.5.rc3