Better workflows for building ZBGT (#136)

* Better build workflows

* Use build cache
Add NIGHTLY-hash to nightly builds

.github/workflows/build-on-push.yml

@@ -0,0 +1,41 @@
+# Adapted from https://github.com/GregTechCEu/GregTech-Modern/blob/1.20.1/.github/workflows/build-on-push.yml
+name: Build pull request on push
+on:
+  pull_request:
+    paths: ['**']
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Build ZBGT
+    runs-on: ubuntu-latest
+    env:
+      VERSION_SUFFIX: "PR-${{ github.event.number }}"
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.tag }}
+          fetch-depth: 0
+
+      - name: Setup Build
+        uses: ./.github/actions/build_setup
+
+      - name: Build Project
+        run: ./gradlew build --build-cache
+
+      - name: Rename Jars
+        run: for file in build/libs/*; do mv "$file" "${file/.jar/-${{ env.VERSION_SUFFIX }}.jar}"; done;
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: Built Jars
+          path: |
+            ./build/libs/*.jar
+          if-no-files-found: error
+          compression-level: 0

.github/workflows/build.yml → .github/workflows/nightly.yml

@@ -1,9 +1,9 @@
 # CI/CD: Build ZBGT on Commit
-name: Build ZBGT
+name: ZBGT Nightly
 on:
   push:
-  pull_request:
-  workflow_dispatch:
+    branches: ['main']
+    paths: ['src/**', '**/*.gradle', 'gradle.properties']
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -21,11 +21,17 @@ jobs:
           ref: ${{ inputs.tag }}
           fetch-depth: 0
 
+      - name: Version Suffix
+        run: echo "VERSION_SUFFIX=NIGHTLY-$(git rev-parse --short HEAD)" >> $GITHUB_ENV
+
       - name: Setup Build
         uses: ./.github/actions/build_setup
 
       - name: Build Project
-        run: ./gradlew build
+        run: ./gradlew build --build-cache
+
+      - name: Rename Jars
+        run: for file in build/libs/*; do mv "$file" "${file/.jar/-${{ env.VERSION_SUFFIX }}.jar}"; done;
 
       - name: Upload Artifacts
         uses: actions/upload-artifact@v4