Knock off backpublish bitrot

Author: rossabaker

.github/workflows/backpublish.yml

@@ -4,10 +4,10 @@ on:
   workflow_dispatch:
     inputs:
       tag:
-        description: 'Tag to back-publish. Example: v0.13.2'
+        description: 'Tag to back-publish. Example: v0.13.4'
         required: true
       scala:
-        description: 'Scala version. Example: 2.13.8'
+        description: 'Scala version. Example: 2.13.18'
         required: true
 
 env:
@@ -19,14 +19,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Setup Java and Scala
-        uses: olafurpg/setup-scala@v13
+      - name: Setup Java (zulu@8)
+        if: matrix.java == 'zulu@8'
+        uses: actions/setup-java@v4
         with:
-          java-version: adopt@1.8
+          distribution: zulu
+          java-version: 8
+          cache: sbt
+
+      - name: Setup sbt
+        uses: sbt/setup-sbt@v1
+
+      - name: Import signing key
+        if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE == ''
+        env:
+          PGP_SECRET: ${{ secrets.PGP_SECRET }}
+          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
+        run: echo $PGP_SECRET | base64 -d -i - | gpg --import
 
       - name: Run back-publish script
         run: ./scripts/back-publish -t ${{ github.event.inputs.tag }} -s ${{ github.event.inputs.scala }}

scripts/back-publish

@@ -34,4 +34,4 @@ if [ "$JAVA_VERSION" -ne 8 ]; then
 fi
 
 git checkout $TAG
-sbt ++$SCALA_VERSION clean test publish sonatypeBundleRelease
+sbt ++$SCALA_VERSION clean test publishSigned sonaUpload sonaRelease