Travis: add before_install script

Author: codenirvana

.travis.yml

@@ -21,7 +21,7 @@ jobs:
     # create a new release if $CREATE_RELEASE is set
     - stage: Create Release
       if: env(CREATE_RELEASE) = true AND type = api AND tag IS blank
-      os: osx
+      os: linux
       node_js: 12
       git:
         depth: false # disable --depth
@@ -45,7 +45,7 @@ jobs:
     # publish npm package on tagged builds
     - stage: Publish Package
       if: tag IS present
-      os: osx
+      os: linux
       node_js: 12
       git:
         depth: false # disable --depth
@@ -83,6 +83,11 @@ jobs:
         on:
           branch: master
 
+before_install:
+  - '[[ "$CREATE_RELEASE" == "true" || "$TRAVIS_BRANCH" == "main" ]] && true || unset encrypted_05f822b6caa8_key'
+  - '[[ "$CREATE_RELEASE" == "true" || "$TRAVIS_BRANCH" == "main" ]] && true || unset encrypted_05f822b6caa8_iv'
+  - '[[ -z "$TRAVIS_TAG" ]] && unset NPM_API_TOKEN || true'
+
 notifications:
   slack:
     secure: 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