[PATCH RFC 01/18] xen/tools: Fix virtual disks helper scripts.

[Andrii Anisov <andrii.anisov@globallogic.com>]

This patch makes virtual disks helper scripts be functional
in busybox environment. Actually we call sh insteand of bash and
rewrite loop with counter to be properly parsed by ash.

Signed-off-by: Andrii Anisov <andrii.anisov@globallogic.com>
Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@globallogic.com>
---
 tools/hotplug/Linux/block                    | 2 +-
 tools/hotplug/Linux/locking.sh               | 9 +++++++--
 tools/hotplug/Linux/xen-hotplug-common.sh.in | 2 +-
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/tools/hotplug/Linux/block b/tools/hotplug/Linux/block
index 8d2ee9d..6a725db 100644
--- a/tools/hotplug/Linux/block
+++ b/tools/hotplug/Linux/block
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 dir=$(dirname "$0")
 . "$dir/block-common.sh"
diff --git a/tools/hotplug/Linux/locking.sh b/tools/hotplug/Linux/locking.sh
index c6a7e96..b8e9515 100644
--- a/tools/hotplug/Linux/locking.sh
+++ b/tools/hotplug/Linux/locking.sh
@@ -23,9 +23,14 @@ LOCK_BASEDIR=/var/run/xen-hotplug
 
 _setlockfd()
 {
+    local lock_
     local i
-    for ((i = 0; i < ${#_lockdict}; i++))
-    do [ -z "${_lockdict[$i]}" -o "${_lockdict[$i]}" = "$1" ] && break
+    let i=0
+
+    for lock_ in _lockdict ;
+    do
+    [ -z "$lock_" -o "$lock_" = "$1" ] && break
+    (( i++ ))
     done
     _lockdict[$i]="$1"
     let _lockfd=200+i
diff --git a/tools/hotplug/Linux/xen-hotplug-common.sh.in b/tools/hotplug/Linux/xen-hotplug-common.sh.in
index d5d0b69..42e46e3 100644
--- a/tools/hotplug/Linux/xen-hotplug-common.sh.in
+++ b/tools/hotplug/Linux/xen-hotplug-common.sh.in
@@ -51,7 +51,7 @@ sigerr() {
   fatal "$0 failed; error detected."
 }
 
-trap sigerr ERR
+#trap sigerr ERR
 
 
 ##
-- 
2.8.2


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