install_oracle.sh in ajax-datatables-rails-1.3.0

- old
+ new

@@ -2,17 +2,17 @@
 
 wget 'https://github.com/cbandy/travis-oracle/archive/v2.0.3.tar.gz'
 mkdir -p ~/.travis/oracle
 tar xz --strip-components 1 -C ~/.travis/oracle -f v2.0.3.tar.gz
 
-if [ -n $CUSTOM_ORACLE_FILE ]; then
-  wget -q $CUSTOM_ORACLE_FILE -O ~/.travis/oracle/oracle-xe-11.2.0-1.0.x86_64.rpm.zip
+if [ -n ${CUSTOM_ORACLE_FILE} ]; then
+  wget -q ${CUSTOM_ORACLE_FILE} -O ~/.travis/oracle/oracle-xe-11.2.0-1.0.x86_64.rpm.zip
 else
   ~/.travis/oracle/download.sh
 fi
 
 ~/.travis/oracle/install.sh
 
 # in dev env: sqlplus system/password@localhost/XE
-"$ORACLE_HOME/bin/sqlplus" -L -S / AS SYSDBA <<SQL
-ALTER USER $USER IDENTIFIED BY $USER;
+"${ORACLE_HOME}/bin/sqlplus" -L -S / AS SYSDBA <<SQL
+ALTER USER ${USER} IDENTIFIED BY ${USER};
 SQL