Initial workflow setup

.gitea/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - 'conflux@*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    env:
+      giteaToken: ${{ secrets.CI_PUBLISH_TOKEN }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Java 21
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Cache Gradle
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+
+      - name: Build and publish to Gitea Maven
+        run: ./gradlew clean publish --no-daemon
+
+      - name: Upload built JAR
+        uses: actions/upload-artifact@v3
+        with:
+          name: conflux
+          path: build/libs/*.jar
+
+      - name: Create Gitea Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: build/libs/*.jar
+          tag_name: ${{ github.ref_name }}
+          name: Release ${{ github.ref_name }}

.gitea/workflows/tag.yml

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+name: Tag version
+
+on:
+  workflow_dispatch:
+    inputs:
+      bump:
+        description: "Which part to bump?"
+        required: true
+        default: "patch"
+        type: choice
+        options:
+          - major
+          - minor
+          - patch
+
+jobs:
+  tag:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Configure git
+        run: |
+          echo "${{ secrets.CI_BOT_GPG_PRIVATE_KEY }}" | gpg --import --batch --yes
+          echo -e "5\ny\n" | gpg --command-fd 0 --edit-key $GPG_KEY_ID trust
+          git config --global user.signingkey $GPG_KEY_ID
+          git config --global commit.gpgSign true
+          git config --global tag.gpgSign true
+          git config user.name "Gitea CI"
+          git config user.email "gitea-ci@hq.egothor.org"
+          git remote set-url origin https://ci-bot:${GITEA_PUSH_TOKEN}@gitea.egothor.org/Egothor/conflux.git
+        env:
+          GITEA_PUSH_TOKEN: ${{ secrets.CI_PUSH_TOKEN }}
+          GPG_KEY_ID: ${{ secrets.CI_BOT_GPG_KEY_ID }}
+
+      - name: Bump version and tag
+        run: |
+          latest=$(git tag --list 'conflux@*' | sed 's/conflux@//' | sort -V | tail -n 1)
+          if [[ -z "$latest" ]]; then
+            latest="0.0.0"
+          fi
+          echo "Latest: $latest"
+          IFS='.' read -r major minor patch <<<"$latest"
+          case "${{ github.event.inputs.bump }}" in
+            major)
+              major=$((major+1)); minor=0; patch=0 ;;
+            minor)
+              minor=$((minor+1)); patch=0 ;;
+            patch)
+              patch=$((patch+1)) ;;
+            *)
+              echo "Invalid bump type"
+              exit 1
+              ;;
+          esac
+          next="$major.$minor.$patch"
+          new_tag="conflux@$next"
+          git tag -s $new_tag -m "Release $new_tag"
+          git push origin $new_tag
+          echo "Tagged $new_tag"