Merge pull request wso2#8 from ballerina-guides/Shan1024-patch-1

Improve Travis config

.travis.yml

@@ -13,24 +13,24 @@
 # limitations under the License.
 
 script:
-- BALLERINA_VERSION="${VERSION:-0.980.2-SNAPSHOT}"
+- BALLERINA_VERSION=${VERSION:-0.982.1-SNAPSHOT}
 - echo -e "\033[36m${BALLERINA_VERSION}\033[m"
 
-- DISTRIBUTION_NAME=ballerina-platform-$BALLERINA_VERSION
+- DISTRIBUTION_NAME=ballerina-platform-${BALLERINA_VERSION}
 - echo -e "\033[36m${DISTRIBUTION_NAME}\033[m"
 
-- DOWNLOAD_CHANNEL="${CHANNEL:-nightly}"
+- DOWNLOAD_CHANNEL=${CHANNEL:-nightly}
 - echo -e "\033[36m${DOWNLOAD_CHANNEL}\033[m"
 
-- DOWNLOAD_LOCATION="${URL:-https://product-dist.ballerina.io}"
+- DOWNLOAD_LOCATION=${URL:-https://product-dist.ballerina.io}
 - echo -e "\033[36m${DOWNLOAD_LOCATION}\033[m"
 
-- echo -e "\033[36m$DOWNLOAD_LOCATION/$DOWNLOAD_CHANNEL/$BALLERINA_VERSION/$DISTRIBUTION_NAME.zip\033[m"
-- wget $DOWNLOAD_LOCATION/$DOWNLOAD_CHANNEL/$BALLERINA_VERSION/$DISTRIBUTION_NAME.zip
+- echo -e "\033[36m${DOWNLOAD_LOCATION}/${DOWNLOAD_CHANNEL}/${BALLERINA_VERSION}/${DISTRIBUTION_NAME}.zip\033[m"
+- wget ${DOWNLOAD_LOCATION}/${DOWNLOAD_CHANNEL}/${BALLERINA_VERSION}/${DISTRIBUTION_NAME}.zip
 
-- unzip -q $DISTRIBUTION_NAME.zip
+- unzip -q ${DISTRIBUTION_NAME}.zip
 
-- export PATH=$PATH:$(pwd)/$DISTRIBUTION_NAME/bin
+- export PATH=${PATH}:$(pwd)/${DISTRIBUTION_NAME}/bin
 
 - ballerina version