Fix travis script

Author: wanseob

Diff for: .travis.yml

@@ -9,18 +9,18 @@ script:
   - npm run test
 
 after_success:
-  - CURRENT_VERSION=$(node -p "require('./package.json').version")
-  - LATEST=$(npm view $(node -p "require('./package.json').name") dist-tags.latest)
-  - STABLE=$(npm view $(node -p "require('./package.json').name") dist-tags.stable)
+  - export CURRENT_VERSION=$(node -p "require('./package.json').version")
+  - export LATEST=$(npm view $(node -p "require('./package.json').name") dist-tags.latest)
+  - export STABLE=$(npm view $(node -p "require('./package.json').name") dist-tags.stable)
 
 before_deploy:
-  - if [ "$LATEST" != "CURRENT_VERSION" ] && [ "$TRAVIS_BRANCH" = "develop" ]; then
+  - if [ "$LATEST" != "$CURRENT_VERSION" ] && [ "$TRAVIS_BRANCH" = "develop" ]; then
       echo "on develop branch";
-      export TRAVIS_TAG=v$(CURRENT_VERSION);
+      export TRAVIS_TAG=v$CURRENT_VERSION;
     fi;
-  - if [ "$STABLE" != "CURRENT_VERSION" ] && [ "$TRAVIS_BRANCH" = "master" ]; then
+  - if [ "$STABLE" != "$CURRENT_VERSION" ] && [ "$TRAVIS_BRANCH" = "master" ]; then
       echo "on master branch";
-      export TRAVIS_TAG=v$(CURRENT_VERSION)-stable;
+      export TRAVIS_TAG=v$CURRENT_VERSION-stable;
     fi;
 
 deploy:
@@ -30,7 +30,7 @@ deploy:
       secure: 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
     tag: stable
     on:
-      condition: $STABLE != CURRENT_VERSION
+      condition: $STABLE != $CURRENT_VERSION
       branch: master
       repo: commitground/commitground-js
   - provider: npm
@@ -39,7 +39,7 @@ deploy:
       secure: 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
     tag: latest
     on:
-      condition: $LATEST != CURRENT_VERSION
+      condition: $LATEST != $CURRENT_VERSION
       branch: develop
       repo: commitground/commitground-js
   - provider: releases