Inserting implementation version to manifest using sbt

Question

I saw here that it is possible to manually insert specific fields to the manifest:

name := "project"
version := "2.3.5"

packageOptions := Seq(Package.ManifestAttributes(
                     ("Implementation-Version", "2.3.5")))

I would like to use version directly, without recopying the version number.

Putting version instead of "2.3.5" gives an error. Can I somehow use version directly, without recopying the version number?

score 2 · Accepted Answer · answered Apr 28 '19 at 21:06

Get the value of a setting by calling .value on it like so

packageOptions := Seq(
  Package.ManifestAttributes(("Implementation-Version", version.value))
)

In general, value can be called in the following scenarios:

value can only be used within a task or setting macro, such as :=, +=, ++=, Def.task, or Def.setting."

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