mulit variable

.travis.yml

@@ -9,12 +9,10 @@ services:
   - postgresql
   - memcached
 env:
-  - ORM_DRIVER=sqlite
-  - ORM_DRIVER=mysql
-  - ORM_DRIVER=postgres
+  - ORM_DRIVER=sqlite   ORM_SOURCE=$TRAVIS_BUILD_DIR/orm_test.db
+  - ORM_DRIVER=mysql    ORM_SOURCE="root:@/orm_test?charset=utf8"
+  - ORM_DRIVER=postgres ORM_SOURCE="user=postgres dbname=orm_test sslmode=disable"
 before_script:
-  - sh -c "touch $HOME/db.sh; chmod 777 $HOME/db.sh;"
-  - sh -c "echo \"if [ '$ORM_DRIVER' = 'postgres' ]; then export ORM_SOURCE='user=postgres dbname=orm_test sslmode=disable'; psql -c 'create database orm_test;' -U postgres; fi\" >> $HOME/db.sh;"
-  - sh -c "echo \"if [ '$ORM_DRIVER' = 'mysql' ]; then export ORM_SOURCE='root:@/orm_test?charset=utf8'; mysql -u root -e 'create database orm_test;'; fi\" >> $HOME/db.sh;"
-  - sh -c "echo \"if [ '$ORM_DRIVER' = 'sqlite' ]; then export ORM_SOURCE=$TRAVIS_BUILD_DIR/orm_test.db; touch $TRAVIS_BUILD_DIR/orm_test.db; fi\" >> $HOME/db.sh;"
-  - sh -c "source $HOME/db.sh"
+  - sh -c "if [ '$ORM_DRIVER' = 'postgres' ]; then psql -c 'create database orm_test;' -U postgres; fi"
+  - sh -c "if [ '$ORM_DRIVER' = 'mysql' ]; then mysql -u root -e 'create database orm_test;'; fi"
+  - sh -c "if [ '$ORM_DRIVER' = 'sqlite' ]; then touch $TRAVIS_BUILD_DIR/orm_test.db; fi"