From d3016d0057c492fe64ff5d03eabd70d8948b3d06 Mon Sep 17 00:00:00 2001
From: Jamie B <53781962+JamieB-gu@users.noreply.github.com>
Date: Tue, 10 Dec 2024 17:01:01 +0000
Subject: [PATCH] Add `setup-sbt` action

Installs `sbt`. We need this because GitHub no longer includes `sbt` in its base images, so we have to set it up separately.

We can't use `guardian/setup-scala` because this mandates caching of `sbt` resources, which slows down builds in this workflow as seen in 137fd0a due to https://github.com/actions/setup-java/pull/564
---
 .github/workflows/reusable-release.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/reusable-release.yml b/.github/workflows/reusable-release.yml
index 64ce2b4..0b9b02b 100644
--- a/.github/workflows/reusable-release.yml
+++ b/.github/workflows/reusable-release.yml
@@ -130,6 +130,7 @@ jobs:
         with:
           distribution: corretto
           java-version: ${{ steps.establish_java_for_library_build.outputs.library_build_major_java_version }}
+      - uses: sbt/setup-sbt@v1.1.4
 #      - name: Debug MIMA assessment
 #        run: |
 #          sbt "show versionPolicyFindIssues"
@@ -268,6 +269,7 @@ jobs:
         with:
           distribution: corretto
           java-version: ${{ needs.generate-version-update-commits.outputs.library_build_major_java_version }}
+      - uses: sbt/setup-sbt@v1.1.4
       - name: Generate artifacts
         run: |
           cat << EndOfFile > sbt-commands.txt
@@ -417,6 +419,7 @@ jobs:
           distribution: corretto
           java-version: 17
           cache: sbt # the issue described in https://github.com/actions/setup-java/pull/564 doesn't affect this step (no version.sbt)
+      - uses: sbt/setup-sbt@v1.1.4
       - name: Release
         env:
           SONATYPE_TOKEN: ${{ secrets.SONATYPE_TOKEN }}