release based on prefixed tag

.github/workflows/java.yml

@@ -3,6 +3,7 @@ name: Java
 on:
   push:
     branches: [ "main" ]
+    tags: [ 'pre-*' ]
   pull_request:
     branches: [ "main" ]
 
@@ -47,6 +48,22 @@ jobs:
       run: mvn -B test --file pom.xml
       working-directory: getargv.java
 
+  release:
+    needs: [ build ]
+    runs-on: macos-latest
+    if: ${{ github.ref_type == 'tag' }}
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        repository: getargv/getargv
+        path: getargv
+        token: ${{ secrets.GH_PAT }}
+    - name: Build libgetargv
+      run: make install_dylib
+      working-directory: getargv
+    - uses: actions/checkout@v3
+      with:
+        path: getargv.java
     - name: Set up JDK
       uses: actions/setup-java@v3
       with:
@@ -65,6 +82,7 @@ jobs:
         MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
         MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
         MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      working-directory: getargv.java
     - name: Set up JDK ${{ matrix.java }}
       uses: actions/setup-java@v3
       with:
@@ -77,3 +95,4 @@ jobs:
       run: mvn -DuseGithub=true --batch-mode deploy
       env:
         GITHUB_TOKEN: ${{ github.token }}
+      working-directory: getargv.java