Merge pull request #25 from passsy/feature/improve_coverage_reporting…

…_script

Improve coverage reporting script

tool/run_coverage_locally.sh

@@ -1,8 +1,11 @@
 #!/bin/sh
 
-pub global activate coverage
-pub global activate dart_codecov_generator
+(pub global list | grep coverage) || {
+  # install coverage when not found
+  pub global activate coverage
+}
 pub global run coverage:collect_coverage --port=8111 -o out/coverage/coverage.json --resume-isolates --wait-paused &
 dart --observe=8111 test/dart_kollection_test.dart
 pub global run coverage:format_coverage --packages=.packages --report-on lib --in out/coverage/coverage.json --out out/coverage/lcov.info --lcov
-genhtml -o out/coverage/html out/coverage/lcov.info
+genhtml -o out/coverage/html out/coverage/lcov.info
+echo "open coverage report $PWD/out/coverage/html/index.html"