fix cirrus

Author: Chris Yang

.cirrus.yml

@@ -9,7 +9,6 @@ task:
   env:
     INTEGRATION_TEST_PATH: "./packages/integration_test"
     PLUGIN_TOOLS: "dart run ./script/tool/lib/src/main.dart"
-    BRANCH_NAME: "${BRANCH_NAME:-"$(git rev-parse --abbrev-ref HEAD)"}"
   upgrade_script:
     - flutter channel stable
     - flutter upgrade
@@ -26,13 +25,14 @@ task:
         - CIRRUS_BUILD_ID=null pub run test
     - name: publishable
       script:
+        - BRANCH_NAME="$(git rev-parse --abbrev-ref HEAD)"
         - flutter channel master
-        - if [[$BRANCH_NAME != "master"]];then
-        -   echo "Running version-check on changed pacakges"
-        -   $PLUGIN_TOOLS version-check --run-on-changed-packages
-        - else
+        - if [[ "$BRANCH_NAME" -eq "check_version" ]]; then
         -   echo "Running version-check on all packages"
         -   $PLUGIN_TOOLS version-check
+        - else
+        -   echo "Running version-check on changed pacakges"
+        -   $PLUGIN_TOOLS version-check --run-on-changed-packages
         - fi
         - ./script/check_publish.sh
     - name: format