Add while/until to the for/do rule

Like 'for/do' check that the while/until operator are on
the same line with the do.

Fixes some pep8 error along the way.

Change-Id: I440afe60691263365bf35310bf4212d94f30c339

tools/bash8.py

@@ -47,7 +47,7 @@ IGNORE = None
 def register_ignores(ignores):
     global IGNORE
     if ignores:
-        IGNORE='^(' + '|'.join(ignores.split(',')) + ')'
+        IGNORE = '^(' + '|'.join(ignores.split(',')) + ')'
 
 
 def should_ignore(error):
@@ -64,11 +64,15 @@ def print_error(error, line):
 def not_continuation(line):
     return not re.search('\\\\$', line)
 
+
 def check_for_do(line):
     if not_continuation(line):
-        if re.search('^\s*for ', line):
+        match = re.match('^\s*(for|while|until)\s', line)
+        if match:
+            operator = match.group(1).strip()
             if not re.search(';\s*do(\b|$)', line):
-                print_error('E010: Do not on same line as for', line)
+                print_error('E010: Do not on same line as %s' % operator,
+                            line)
 
 
 def check_if_then(line):

tools/create_userrc.sh

@@ -71,8 +71,7 @@ MODE=""
 ROLE=Member
 USER_NAME=""
 USER_PASS=""
-while [ $# -gt 0 ]
-do
+while [ $# -gt 0 ]; do
     case "$1" in
     -h|--help) display_help; exit 0 ;;
     --os-username) export OS_USERNAME=$2; shift ;;

tools/xen/install_os_domU.sh

@@ -191,8 +191,7 @@ function wait_for_VM_to_halt() {
     domid=$(xe vm-list name-label="$GUEST_NAME" params=dom-id minimal=true)
     port=$(xenstore-read /local/domain/$domid/console/vnc-port)
     echo "vncviewer -via root@$mgmt_ip localhost:${port:2}"
-    while true
-    do
+    while true; do
         state=$(xe_min vm-list name-label="$GUEST_NAME" power-state=halted)
         if [ -n "$state" ]; then
             break

tools/xen/scripts/install-os-vpx.sh

@@ -42,8 +42,7 @@ EOF
 
 get_params()
 {
-    while getopts "hbn:r:l:t:" OPTION;
-    do
+    while getopts "hbn:r:l:t:" OPTION; do
         case $OPTION in
             h) usage
                 exit 1