travis: Only exit early if compilation took longer than 30 min

Author: MarcoFalke

.travis.yml

@@ -33,7 +33,7 @@ before_script:
   - set -o errexit; source .travis/test_05_before_script.sh
 script:
   - if [ $SECONDS -gt 1200 ]; then set +o errexit; echo "Travis early exit to cache current state"; false; else set -o errexit; source .travis/test_06_script_a.sh; fi
-  - if [ $SECONDS -gt 1500 ]; then set +o errexit; echo "Travis early exit to cache current state"; false; else set -o errexit; source .travis/test_06_script_b.sh; fi
+  - if [ $SECONDS -gt 1800 ]; then set +o errexit; echo "Travis early exit to cache current state"; false; else set -o errexit; source .travis/test_06_script_b.sh; fi
 after_script:
   - echo $TRAVIS_COMMIT_RANGE
   - echo $TRAVIS_COMMIT_LOG