Rewrite the mount loop using bash-specific features.

This makes the loop slightly more compact and easier to read.
---
 init |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/init b/init
index 78f962e..2ebf1b0 100755
--- a/init
+++ b/init
@@ -71,13 +71,10 @@ esac
 
 # should we have a timeout?
 tries=0
-while [ ! -e $root ]; do
+until [[ -e $root ]]; do
   echo -n "."
   sleep 1
-  tries=$(($tries + 1))
-  if [ $tries -gt 30 ]; then
-      emergency_shell
-  fi
+  ((tries++ > 30)) && emergency_shell
 done
 echo -e "\n\nMounting rootfs after $tries seconds"
 ln -s "$root" /dev/root    
-- 
1.6.0.6

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