TEST git tag command output in travis

Author: michalbundyra

.travis.yml

@@ -43,6 +43,8 @@ install:
   - if [[ $DEPS == 'lowest' ]]; then travis_retry composer update --prefer-lowest --prefer-stable $COMPOSER_ARGS ; fi
   - if [[ $TEST_COVERAGE == 'true' ]]; then travis_retry composer require --dev $COMPOSER_ARGS $COVERAGE_DEPS ; fi
   - stty cols 120 && composer show
+  - git tag -l --format='%(taggerdate)' | head -n 1
+  - git tag -l --format='%(refname:short) %(taggerdate)'
 
 script:
   - if [[ $TEST_COVERAGE == 'true' ]]; then composer test-coverage ; else composer test ; fi