Add github actions

.github/dependabot.yml

@@ -0,0 +1,9 @@
+---
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    commit-message:
+      prefix: "chore(ci)"

.github/workflows/ci.yml

@@ -0,0 +1,78 @@
+---
+name: ci
+
+on:
+  push:
+    branches:
+      - main
+    tags-ignore:
+      - "*"
+  pull_request:
+    branches:
+      - main
+
+env:
+  GRADLE_OPTS: '-Dorg.gradle.jvmargs="-Xmx2048m -XX:+HeapDumpOnOutOfMemoryError"'
+  GRADLE_SWITCHES: "--console=plain --info --stacktrace --no-daemon"
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        java: ["11"]
+        os: ["ubuntu-latest"]
+    runs-on: ${{ matrix.os }}
+    if: github.repository_owner == 'openrewrite'
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: set-up-jdk
+        uses: actions/setup-java@v2
+        with:
+          distribution: "adopt"
+          java-version: ${{ matrix.java }}
+      - name: setup-cache
+        uses: actions/[email protected]
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+      - name: build
+        run: ./gradlew ${GRADLE_SWITCHES} build test
+
+  publish-snapshots:
+    needs: [build]
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && github.repository_owner == 'openrewrite'
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: set-up-jdk
+        uses: actions/setup-java@v2
+        with:
+          distribution: "adopt"
+          java-version: "11"
+      - name: setup-cache
+        uses: actions/[email protected]
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+      - name: publish-snapshots
+        if: github.event_name == 'push'
+        timeout-minutes: 30
+        run: ./gradlew ${GRADLE_SWITCHES} snapshot publish -PforceSigning -x test
+        env:
+          ORG_GRADLE_PROJECT_sonatypeUsername: ${{ secrets.OSSRH_USERNAME }}
+          ORG_GRADLE_PROJECT_sonatypePassword: ${{ secrets.OSSRH_TOKEN }}
+          ORG_GRADLE_PROJECT_signingKey: ${{ secrets.OSSRH_SIGNING_KEY }}
+          ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.OSSRH_SIGNING_PASSWORD }}

.github/workflows/gradle-wrapper-validation.yml

@@ -0,0 +1,11 @@
+---
+name: "Validate Gradle Wrapper"
+on: [push, pull_request]
+
+jobs:
+  validation:
+    name: "Validation"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gradle/wrapper-validation-action@v1

.github/workflows/publish.yml

@@ -0,0 +1,55 @@
+---
+name: publish
+
+on:
+  push:
+    tags:
+      - v[0-9]+.[0-9]+.[0-9]+
+      - v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]+
+
+env:
+  GRADLE_OPTS: '-Dorg.gradle.jvmargs="-Xmx2048m -XX:+HeapDumpOnOutOfMemoryError"'
+  GRADLE_SWITCHES: "--console=plain --info --stacktrace --no-daemon"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'openrewrite'
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: set-up-jdk
+        uses: actions/setup-java@v2
+        with:
+          distribution: "adopt"
+          java-version: "11"
+      - name: setup-cache
+        uses: actions/[email protected]
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - name: publish-candidate
+        if: contains(github.ref, '-rc.')
+        timeout-minutes: 30
+        run: ./gradlew ${GRADLE_SWITCHES} -Prelease.disableGitChecks=true -Prelease.useLastTag=true candidate publish closeAndReleaseSonatypeStagingRepository -x test
+        env:
+          ORG_GRADLE_PROJECT_sonatypeUsername: ${{ secrets.OSSRH_USERNAME }}
+          ORG_GRADLE_PROJECT_sonatypePassword: ${{ secrets.OSSRH_TOKEN }}
+          ORG_GRADLE_PROJECT_signingKey: ${{ secrets.OSSRH_SIGNING_KEY }}
+          ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.OSSRH_SIGNING_PASSWORD }}
+
+      - name: publish-release
+        if: (!contains(github.ref, '-rc.'))
+        timeout-minutes: 30
+        run: ./gradlew ${GRADLE_SWITCHES} -Prelease.disableGitChecks=true -Prelease.useLastTag=true final publish closeAndReleaseSonatypeStagingRepository -x test
+        env:
+          ORG_GRADLE_PROJECT_sonatypeUsername: ${{ secrets.OSSRH_USERNAME }}
+          ORG_GRADLE_PROJECT_sonatypePassword: ${{ secrets.OSSRH_TOKEN }}
+          ORG_GRADLE_PROJECT_signingKey: ${{ secrets.OSSRH_SIGNING_KEY }}
+          ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.OSSRH_SIGNING_PASSWORD }}

settings.gradle.kts

@@ -1 +1,3 @@
 rootProject.name = "rewrite-migrate-java"
+
+enableFeaturePreview("VERSION_ORDERING_V2")