build: automate versioning by injecting dynamic version name and code from CI environment variables

Author: kevinlee-06

.github/workflows/release.yml

@@ -35,17 +35,22 @@ jobs:
         id: vars
         run: |
           if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
-            echo "version=${{ inputs.version }}" >> $GITHUB_OUTPUT
+            RAW_VER="${{ inputs.version }}"
           else
-            echo "version=${{ github.ref_name }}" >> $GITHUB_OUTPUT
+            RAW_VER="${{ github.ref_name }}"
           fi
+          echo "version=$RAW_VER" >> $GITHUB_OUTPUT
+          CLEAN_VER="${RAW_VER#v}"
+          echo "version_clean=$CLEAN_VER" >> $GITHUB_OUTPUT
 
       - name: Decode Keystore
         run: |
           echo "${{ secrets.SIGNING_KEY_STORE_BASE64 }}" | base64 --decode > release.keystore
 
       - name: Build and Sign Release APK
         env:
+          VERSION_NAME: ${{ steps.vars.outputs.version_clean }}
+          VERSION_CODE: ${{ github.run_number }}
           KEYSTORE_FILE: ${{ github.workspace }}/release.keystore
           KEYSTORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
           KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}

app/build.gradle.kts

@@ -11,8 +11,8 @@ android {
         applicationId = "dev.e88e89.hdb"
         minSdk = 26
         targetSdk = 35
-        versionCode = 1
-        versionName = "1.0"
+        versionCode = (project.findProperty("VERSION_CODE") as? String ?: System.getenv("VERSION_CODE"))?.toIntOrNull() ?: 1
+        versionName = (project.findProperty("VERSION_NAME") as? String ?: System.getenv("VERSION_NAME")) ?: "1.0"
         resourceConfigurations += listOf("en", "zh-rTW")
     }