Use environment variable to detect publishing state. (#834)

.travis.yml

@@ -30,7 +30,7 @@ after_success:
 
 deploy:
   - provider: script
-    script: ./ci.sh publish=true
+    script: PUBLISH_RELEASE=true ./ci.sh
     skip_cleanup: true
     on:
       tags: true

build.gradle

@@ -197,6 +197,10 @@ def validateTagAndVersion() {
 }
 
 def isValidReleaseState() {
+    if ('true' != System.getenv('PUBLISH_RELEASE')) {
+        return false
+    }
+
     try {
         validateTagAndVersion()
         return true

ci.sh

@@ -7,16 +7,14 @@ PROJECT_DIR="$DIR"
 
 pushd "$PROJECT_DIR"
 
-# Pass "publish=true" as first argument to initiate release process.
-SHOULD_PUBLISH_RELEASE="$1"
-
 # For some reason test for annotation processor are failing on a regular CI setup.
 # So we had to exclude test task for it from the main build process and execute it as a separate command.
 ./gradlew clean build checkstyle -PdisablePreDex --exclude-task :storio-sqlite-annotations-processor-test:test --exclude-task :storio-content-resolver-annotations-processor-test:test
 ./gradlew :storio-sqlite-annotations-processor-test:test
 ./gradlew :storio-content-resolver-annotations-processor-test:test
 
-if [ "$SHOULD_PUBLISH_RELEASE" == "publish=true" ]; then
+# Export "PUBLISH_RELEASE=true" to initiate release process.
+if [ "$PUBLISH_RELEASE" == "true" ]; then
     echo "Launching release publishing process..."
 
     if [ -z "$GPG_SECRET_KEYS" ]; then