[SPARK-29293] Move scalafmt to Scala 2.12 profile; bump to 0.12

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: Build
• Assignee: Sean R. Owen
• Reporter: Sean R. Owen
• Created: 29/Sep/19 19:59
• Updated: 26/Nov/19 17:59
• Resolved: 26/Nov/19 17:59

Description

scalafmt needs to be updated to a version that supports 2.13. A version exists for 2.13, but has an issue that makes it not work with how Spark uses it. Initially, we can move scalafmt to Scala 2.12 profile.

Issue Links

• links to: GitHub Pull Request #26655