From: Nathan Rini <nate@ucar.edu>
Date: Tue, 9 Oct 2018 15:40:43 +0000 (-0600)
Subject: swap for loop to POSIX shell compat
X-Git-Tag: 050~116
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=916ac45cbef5886d9b3ddfe6501604d8289af851;p=thirdparty%2Fdracut.git

swap for loop to POSIX shell compat
---

diff --git a/modules.d/90livenet/livenetroot.sh b/modules.d/90livenet/livenetroot.sh
index 305a6c25a..1f58c55ea 100755
--- a/modules.d/90livenet/livenetroot.sh
+++ b/modules.d/90livenet/livenetroot.sh
@@ -18,7 +18,8 @@ info "fetching $liveurl"
 
 imgfile=
 #retry until the imgfile is populated with data or the max retries
-for (( i=1; i<=$RETRIES; i++))
+i=1
+while [ "$i" -le $RETRIES ]
 do
     imgfile=$(fetch_url "$liveurl")
 
@@ -37,6 +38,8 @@ do
 
         sleep $SLEEP
     fi
+
+    i=$((i + 1))
 done > /tmp/livenet.downloaded
 
 # TODO: couldn't dmsquash-live-root handle this?