[travis] Test latest PRs on 3.0 with 2.7

Author: nicolas-grekas

.travis.yml

@@ -8,7 +8,7 @@ matrix:
  - php: 5.5.9
  env: deps=low
  - php: 5.6
- env: deps=high
+ env: deps=2.7
  - php: nightly
  - php: hhvm-nightly
  allow_failures:
@@ -41,9 +41,11 @@ install:
  - if [ "$deps" = "no" ]; then composer --prefer-source install; fi;
  - components=$(find src/Symfony -mindepth 3 -type f -name phpunit.xml.dist -printf '%h\n')
  - if [ "$deps" != "no" ]; then sh .travis.sh $TRAVIS_BRANCH $components; fi;
+ - if [ "$deps" = "2.7" ]; then git fetch origin 2.7; git checkout -m origin/2.7; export COMPOSER_ROOT_VERSION=2.7.x-dev fi;
 
 script:
  - if [ "$deps" = "no" ]; then echo "$components" | parallel --gnu --keep-order 'echo -e "\\nRunning {} tests"; phpunit --exclude-group tty,benchmark,intl-data {} || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
  - if [ "$deps" = "no" ]; then echo -e "\\nRunning tests requiring tty"; phpunit --group tty || (echo -e "\\e[41mKO\\e[0m tty group" && $(exit 1)); fi;
  - if [ "$deps" = "high" ]; then echo "$components" | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source update; phpunit --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
  - if [ "$deps" = "low" ]; then echo "$components" | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source --prefer-lowest --prefer-stable update; phpunit --exclude-group tty,benchmark,intl-data || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;
+ - if [ "$deps" = "2.7" ]; then echo "$components" | parallel --gnu --keep-order -j25% 'echo -e "\\nRunning {} tests"; cd {}; composer --prefer-source update; phpunit --exclude-group tty,benchmark,intl-data,legacy || (echo -e "\\e[41mKO\\e[0m {}" && $(exit 1));'; fi;