hseeberger/sbtsrc — comment on commit fdb8cb62fcfcac0b2653ddf463e9ff13c821ea50
File: src/main/scala/name/heikoseeberger/sbtsrc/SrcPlugin.scala line 28
By jsuereth:

In your case I think this is perfect. "Convention" says to make folks "opt-in" to having plugins wire into their builds.

However, I'd classify this as a "global" plugin that I'd put into a "~/.sbt/plugins/src.sbt" file, so This is the "right (tm)" way to go.