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suppress error unbound variable

liangxia 10 years ago
parent
ffe702b2e8
commit
edc60164ea
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      cluster.sh

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cluster.sh
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@@ -4,7 +4,7 @@ MINIONS=3
 
 MASTERS=1
 
 
 # If the environment variable OO_PROVDER is defined, it used for the provider
 
-PROVIDER=$OO_PROVIDER
 
+PROVIDER=${OO_PROVIDER:-''}
 
 # Otherwise, default is gce (Google Compute Engine)
 
 if [ "x$PROVIDER" == "x" ];then
 
    PROVIDER=gce