tools: do not lint commit message if var undefined

Check that $TRAVIS_COMMIT_RANGE is set before trying to lint commit
messages in Travis CI.

Refs: https://github.com/nodejs/node/pull/23572#issuecomment-430850382
Refs: https://github.com/nodejs/node/pull/22842#issuecomment-430850049

PR-URL: https://github.com/nodejs/node/pull/23725
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Matheus Marchini <mat@mmarchini.me>
This commit is contained in:
Rich Trott 2018-10-17 19:17:06 -07:00 committed by Refael Ackermann
parent 1d152b6e51
commit 6afaebc4a0

View File

@ -13,7 +13,7 @@ matrix:
script:
- make lint
# Lint the first commit in the PR.
- git log $TRAVIS_COMMIT_RANGE --pretty=format:'%h' --no-merges | tail -1 | xargs npx core-validate-commit --no-validate-metadata
- \[ -z "$TRAVIS_COMMIT_RANGE" \] || git log $TRAVIS_COMMIT_RANGE --pretty=format:'%h' --no-merges | tail -1 | xargs npx core-validate-commit --no-validate-metadata
- name: "Test Suite"
install:
- ./configure