fixed travis complains

Author: clickkiddie

.travis.yml

@@ -18,7 +18,6 @@ before_script:
   - wget -qO- 'https://github.com/tianon/pgp-happy-eyeballs/raw/master/hack-my-builds.sh' | bash
   - image="nextcloud:${VERSION}${VARIANT:+-$VARIANT}"
   - if [[ "$ARCH" == 'i386' ]]; then sed -i -e 's/FROM php/FROM i386\/php/g' "${VERSION}/${VARIANT}/Dockerfile"; fi
-  - chmod +x update.sh generate-stackbrew-library.sh
 
 script:
   - |
@@ -52,7 +51,7 @@ jobs:
       before_script: skip
       script:
         - hash_before=$(git write-tree)
-        - travis_retry ./update.sh
+        - travis_retry chmod +x ./update.sh && ./update.sh
         - bash -c "[[ $hash_before = $(git add -A && git write-tree) ]]"
       after_script: skip
 
@@ -62,7 +61,7 @@ jobs:
         - wget -O "$HOME/bin/bashbrew" https://doi-janky.infosiftr.net/job/bashbrew/lastSuccessfulBuild/artifact/bin/bashbrew-amd64
         - chmod +x "$HOME/bin/bashbrew"
       script:
-        - travis_retry ./generate-stackbrew-library.sh
+        - travis_retry chmod +x ./generate-stackbrew-library.sh && ./generate-stackbrew-library.sh
 
     - stage: test images
       env: VERSION=15.0 VARIANT=fpm-alpine ARCH=amd64