Implement auto-pom version bump (#84)

* Implement auto-pom version bump

* Remove SNAPSHOT from version number

---------

Co-authored-by: Madhavan Sridharan <[email protected]>

Author: msmygit

.github/workflows/maven.yml

@@ -25,4 +25,7 @@ jobs:
         cache: maven
     - name: Build with Maven
       run: mvn -B package --file pom.xml
-      
+    
+    - name: bump minor version
+      run: |
+        scripts/bump_minor_version

pom.xml

@@ -3,11 +3,12 @@
 
   <groupId>datastax.astra.migrate</groupId>
   <artifactId>cassandra-data-migrator</artifactId>
-  <version>3.1.0</version>
+  <version>${revision}</version>
   <packaging>jar</packaging>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <revision>3.1.0</revision>
     <scala.version>2.12.17</scala.version>
     <scala.main.version>2.12</scala.main.version>
     <spark.version>3.3.1</spark.version>

scripts/bump_minor_version

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -x
+CURRENT_VERSION=$(mvn help:evaluate -Dexpression=revision -q -DforceStdout)
+RELEASE_VERSION=${CURRENT_VERSION%%}
+BASE_VERSION=$(echo "$RELEASE_VERSION" | cut -d'.' -f1-2)
+MINOR_VERSION=$(echo "$RELEASE_VERSION" | cut -d'.' -f3)
+NEXT_MINOR_VERSION=$(( $MINOR_VERSION + 1 ))
+NEXT_SNAPSHOT="${BASE_VERSION}.${NEXT_MINOR_VERSION}"
+printf "next-snapshot: %s\n" "${NEXT_SNAPSHOT}"
+mvn versions:set-property -DallowSnapshots -DnewVersion="${NEXT_SNAPSHOT}" -Dproperty=revision