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drop support for sbt 0.13 #225

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@bjaglin bjaglin commented May 28, 2021

Closes scalacenter/scalafix#1333

sbt 0.13 users will still be able to get the latest version of Scalafix by explicitly including it:

 // project/plugins.sbt
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.29") // last version published for sbt 0.13
+dependencyOverrides += "ch.epfl.scala" % "scalafix-interfaces" % "0.9.x"

Comment on lines +476 to +488
import sjsonnew._
import sjsonnew.BasicJsonProtocol._

val argWriter = new JsonWriter[Arg.CacheKey] {

override final def write[J](
obj: Arg.CacheKey,
builder: Builder[J]
): Unit = stamp(obj)(builder)

private def stamp[J](
obj: Arg.CacheKey
)(implicit builder: Builder[J]): Unit = obj match {
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@bjaglin bjaglin May 31, 2021

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There is way too much logic in ScalafixPlugin.scala. I wanted to keep this minimal - I'll extract that in a separate PR.

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bjaglin commented May 31, 2021

any objection @olafurpg ?

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No objections from me. If it’s easy to support, it might be worth releasing a 0.13 version that support loading a configurable version of Scalafix. That would allow the latest 0.13 version to call future versions of Scalafix. But I wouldn’t worry about it if it’s too much effort.

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bjaglin commented May 31, 2021

If it’s easy to support, it might be worth releasing a 0.13 version that support loading a configurable version of Scalafix.

That was my initial thought too, and I have been postponing this until I get free time to tackle scalacenter/scalafix#1146, but the last PRs showed that it was getting increasingly annoying, so I got tired of it. Since getting a custom scalafix version is as simple as https://scalacenter.github.io/scalafix/docs/users/installation.html#snapshot, I assume we can write up something if there is interest.

I remember you posting stats about Sonatype downloads at some point, is that something you still have access to? I guess it's not very accurate but it could give an idea of the current sbt 0.13 user base.

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olafurpg commented Jun 1, 2021

That workaround is good enough (exactly what I was looking for).

Sonatype doesn’t provide download stats on sbt plugins unfortunately. I think it has something to do with how sbt plugins artifacts use Ivy patterns.

@bjaglin bjaglin requested a review from mlachkar June 1, 2021 06:07
@bjaglin bjaglin closed this Jun 1, 2021
@bjaglin bjaglin deleted the dropsbt013 branch June 1, 2021 07:24
@bjaglin bjaglin mentioned this pull request Jun 1, 2021
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bjaglin commented Jun 1, 2021

Not sure why this got closed after my rebase against #228 🤔

Following up in #230.

I have added a note in https://github.com/scalacenter/scalafix/pull/1417/files#diff-2e28f911279567cbb268785581f61db7f687f49d4adedbd85a06b0943fbcd320 for the best-effort sbt 0.13.x support.

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sbt-scalafix: drop support for sbt 0.13
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