X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=lib%2Fvserver.in;h=8a585bf16787dddb506e53e65b8e1de5c194a202;hb=3b3252bfdd29b5cb4a981deb9bf61ab08e1c3de5;hp=bb1a1528334e80bdd7a181b522912648717950c7;hpb=96023985bce5fc3186487a08efe1e3b665574ced;p=matthijs%2Fupstream%2Fbackupninja.git

diff --git a/lib/vserver.in b/lib/vserver.in
index bb1a152..8a585bf 100644
--- a/lib/vserver.in
+++ b/lib/vserver.in
@@ -35,7 +35,7 @@ init_vservers() {
    getconf VSERVER /usr/sbin/vserver
    getconf VROOTDIR `if [ -x "$VSERVERINFO" ]; then $VSERVERINFO info SYSINFO | grep '^ *vserver-Rootdir' | awk '{print $2}'; fi`
    # canonicalize VROOTDIR
-   VROOTDIR=`readlink --canonicalize $VROOTDIR`
+   [ -z "$VROOTDIR" ] || VROOTDIR=`readlink --canonicalize $VROOTDIR`
    # init this library's global variables
    vservers_are_available=no
    found_vservers=
@@ -74,7 +74,28 @@ init_vservers() {
 }
 
 ##
-## If the argument is the name of a vserver selected use by the current helper,
+## If all the arguments are existing vservers names, returns 0.
+## Else, returns 1. Also returns 1 if no argument is given.
+##
+vservers_exist() {
+   [ $# -ge 1 ] || return 1
+   local args="$1"
+   local vserver i found
+   for vserver in $args ; do
+      found=no
+      for i in $found_vservers ; do
+         if [ $vserver = $i ]; then
+            found=yes
+            break
+         fi
+      done
+      [ $found = yes ] || return 1
+   done
+   return 0
+}
+
+##
+## If the argument is the name of a vserver selected by the current helper,
 ## echoes 'on' and returns 0.
 ## Else, echoes 'off' and returns 1.
 ##