Merge pull request #222 from olafurpg/parallel-release

Split release stage into parallel jobs.

Author: olafurpg

.travis.yml

@@ -33,7 +33,17 @@ jobs:
   - stage: release
     script:
       - echo "$PGP_SECRET" | base64 --decode | gpg --import
-      - mill __.publish --sonatypeCreds "$SONATYPE_USERNAME:$SONATYPE_PASSWORD" --release true --gpgPassphrase "$PGP_PASSPHRASE"
+      - mill __[2.12.7].publish --sonatypeCreds "$SONATYPE_USERNAME:$SONATYPE_PASSWORD" --release true --gpgPassphrase "$PGP_PASSPHRASE"
+
+  - stage: release
+    script:
+      - echo "$PGP_SECRET" | base64 --decode | gpg --import
+      - mill __[2.11.12].publish --sonatypeCreds "$SONATYPE_USERNAME:$SONATYPE_PASSWORD" --release true --gpgPassphrase "$PGP_PASSPHRASE"
+
+  - stage: release
+    script:
+      - echo "$PGP_SECRET" | base64 --decode | gpg --import
+      - mill __[2.13.0-RC1].publish --sonatypeCreds "$SONATYPE_USERNAME:$SONATYPE_PASSWORD" --release true --gpgPassphrase "$PGP_PASSPHRASE"
 
 before_install:
 - curl -L -o ~/bin/mill https://github.com/lihaoyi/mill/releases/download/0.3.6/0.3.6-85-38fce6 && chmod +x ~/bin/mill