kubectl/bin/consider-early-travis-exit.sh

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# Exits with status 0 if it can be determined that the
# current PR should not trigger all travis checks.
#
# This could be done with a "git ...|grep -vqE" oneliner
# but as travis triggering is refined it's useful to check
# travis logs to see how branch files were considered.
function consider-early-travis-exit {
if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then
echo "Unknown pull request."
return
fi
# Might use this to improve checks on multi-commit PRs.
echo "TRAVIS_COMMIT_RANGE=$TRAVIS_COMMIT_RANGE"
echo "Branch Files ('T'==trigger tests, ' '=ignore):"
echo "---"
local triggers=0
local invisibles=0
for fn in $(git diff --name-only HEAD origin/master); do
if [[ "$fn" =~ (\.md$)|(^docs/) ]]; then
echo " $fn"
let invisibles+=1
else
echo " T $fn"
let triggers+=1
fi
done
echo "---"
printf >&2 "%6d files invisible to travis.\n" $invisibles
printf >&2 "%6d files trigger travis.\n" $triggers
if [ $triggers -eq 0 ]; then
echo "No files triggered travis test, exiting early."
# see https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/templates/header.sh
travis_terminate 0
fi
}
consider-early-travis-exit
unset -f consider-early-travis-exit