| #!/bin/bash |
| |
| set -o errexit |
| |
| # When we are running on travis and *not* part of a pull request we don't |
| # have any upstream branch to compare against. |
| if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then |
| echo "Skipping since not running on travis PR" |
| exit 0 |
| fi |
| |
| if [ -n "$TRAVIS_BRANCH" ]; then |
| BRANCH=$TRAVIS_BRANCH |
| else |
| BRANCH=origin/master |
| fi |
| |
| MERGE_BASE=$(git merge-base $BRANCH HEAD) |
| FORMAT_MSG=$(git clang-format $MERGE_BASE -q --diff -- src/) |
| if [ -n "$FORMAT_MSG" -a "$FORMAT_MSG" != "no modified files to format" ] |
| then |
| echo "Please run git clang-format before committing, or apply this diff:" |
| echo |
| # Run git clang-format again, this time without capruting stdout. This way |
| # clang-format format the message nicely and add color. |
| git clang-format $MERGE_BASE -q --diff -- src/ |
| exit 1 |
| fi |
