add transform to handle version with dash

Signed-off-by: Mark McCormick <[email protected]>

confluent-kafka.yaml

@@ -5,7 +5,6 @@ package:
   description: Community edition of Confluent Kafka.
   copyright:
     - license: Apache-2.0
-
   dependencies:
     runtime:
       - bash # Requied by this images - uses shell to launch image wth zookeeper.
@@ -21,11 +20,20 @@ environment:
       - openjdk-11
       - sbt
 
+# Upstream uses a '-' in the version. We have to strip that out in the update block for
+# the package version (which doesn't support '-'). However we need to convert it back
+# for use within other areas in the script.
+var-transforms:
+  - from: ${{package.version}}
+    match: "_"
+    replace: "-"
+    to: mangled-package-version
+
 pipeline:
   - uses: git-checkout
     with:
       repository: https://github.com/confluentinc/kafka
-      tag: v${{package.version}}-ccs
+      tag: v${{vars.mangled-package-version}}-ccs
       expected-commit: ab63fe9ca0e7bfa1011e2101bfa891684f392c0d
 
   - runs: |
@@ -34,14 +42,13 @@ pipeline:
       gradle clean releaseTarGz
 
       nohup /usr/lib/kafka/bin/zookeeper-server-start.sh /usr/lib/kafka/config/zookeeper.properties > ${{targets.destdir}}/usr/lib/kafka/logs/zookeeper.out 2> zookeeper.err < /dev/null &
-      # Example filename: 'kafka_2.13-7.7.0-301-ccs.tgz'
-      tar -xzvf core/build/distributions/kafka_*-${{package.version}}-ccs.tgz
+      tar -xzvf core/build/distributions/kafka_*-${{vars.mangled-package-version}}-ccs.tgz
 
       mkdir -p ${{targets.destdir}}/usr/lib/kafka/logs
 
-      mv kafka_*-${{package.version}}-ccs/bin ${{targets.destdir}}/usr/lib/kafka
-      mv kafka_*-${{package.version}}-ccs/libs ${{targets.destdir}}/usr/lib/kafka
-      mv kafka_*-${{package.version}}-ccs/config ${{targets.destdir}}/usr/lib/kafka
+      mv kafka_*-${{vars.mangled-package-version}}-ccs/bin ${{targets.destdir}}/usr/lib/kafka
+      mv kafka_*-${{vars.mangled-package-version}}-ccs/libs ${{targets.destdir}}/usr/lib/kafka
+      mv kafka_*-${{vars.mangled-package-version}}-ccs/config ${{targets.destdir}}/usr/lib/kafka
 
       # Clean up windows
       rm -rf ${{targets.destdir}}/usr/lib/kafka/bin/*.bat