Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Runs
yarn
with--frozen-lockfile
similar to hownpm ci
is ran instead ofnpm install
.This was already implemented in March 2017 with #997, however, it was reverted in #1000 because not all Yarn versions understand this option. Instead of simply reintroducing
--frozen-lockfile
, this pull request only runsyarn --frozen-lockfile
if the Yarn version is at least 0.19.0.npm ci
was introduced in a similar way in #1355.Resolves travis-ci/travis-ci#7395 and this forum post.