ci: add publish gradle task and release workflows

.github/workflows/manual-release.yml

@@ -0,0 +1,20 @@
+name: Manual Release
+# Triggers a merge from main->release, which will then trigger a release
+# from the release branch.
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  merge-to-release-branch:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Merge main -> release
+        uses: devmasx/merge-branch@master
+        with:
+          type: now
+          from_branch: main
+          target_branch: release
+          github_token: ${{ secrets.MOMENTO_MACHINE_USER_GITHUB_TOKEN }}

.github/workflows/on-push-to-release-branch.yml

@@ -0,0 +1,57 @@
+name: On push to release branch
+
+on:
+  push:
+    branches: [release]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.release.outputs.release }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set release
+        id: semrel
+        uses: go-semantic-release/action@v1
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          allow-initial-development-versions: true
+          force-bump-patch-version: true
+          # For whatever reason, this silly tool won't let you do releases from branches
+          #  other than the default branch unless you pass this flag, which doesn't seem
+          #  to actually have anything to do with CI:
+          # https://github.com/go-semantic-release/semantic-release/blob/master/cmd/semantic-release/main.go#L173-L194
+          # https://github.com/go-semantic-release/condition-github/blob/4c8af3fc516151423fff2f77eb08bf7082570676/pkg/condition/github.go#L42-L44
+          custom-arguments: '--no-ci'
+
+      - name: Output release
+        id: release
+        run: echo "release=${{ steps.semrel.outputs.version }}" >> $GITHUB_OUTPUT
+
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout project
+      uses: actions/checkout@v3
+
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: 17
+        distribution: 'corretto'
+
+    - name: Build project
+      run: make build
+
+#    - name: Publish to sonatype
+#      env:
+#        SONATYPE_SIGNING_KEY: ${{ secrets.SONATYPE_SIGNING_KEY }}
+#        SONATYPE_SIGNING_KEY_PASSWORD: ${{ secrets.SONATYPE_SIGNING_KEY_PASSWORD }}
+#        SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+#        SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+#        ORG_GRADLE_PROJECT_version: ${{ needs.release.outputs.version }}
+#      uses: gradle/gradle-build-action@v2
+#      with:
+#        arguments: publishToSonatype closeAndReleaseStagingRepository

build.gradle.kts

@@ -10,6 +10,11 @@ repositories {
     mavenCentral()
 }
 
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
 dependencies {
     implementation("io.lettuce:lettuce-core:6.4.0.RELEASE")
     implementation("software.momento.java:sdk:1.15.0")
@@ -35,3 +40,5 @@ spotless {
         googleJavaFormat("1.11.0")
     }
 }
+
+apply(from="publish.gradle.kts")

publish.gradle.kts

@@ -0,0 +1,76 @@
+plugins {
+    id("maven-publish")
+    id("signing")
+    id("io.github.gradle-nexus.publish-plugin") version "1.3.0"
+}
+
+group = "software.momento.java"
+version = "0.1.0"
+
+java {
+    withSourcesJar()
+    withJavadocJar()
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("mavenJava") {
+            from(components["java"])
+            groupId = group.toString()
+            artifactId = "momento-lettuce"
+            version = project.version.toString()
+
+            pom {
+                name.set("Momento Lettuce Compatibility Client")
+                description.set("Momento-backed implementation of the Lettuce Redis client")
+                url.set("https://github.com/momentohq/momento-java-lettuce-client")
+                licenses {
+                    license {
+                        name.set("The Apache License, Version 2.0")
+                        url.set("https://www.apache.org/licenses/LICENSE-2.0.txt")
+                    }
+                }
+                developers {
+                    developer {
+                        id.set("momento")
+                        name.set("Momento")
+                        organization.set("Momento")
+                        email.set("[email protected]")
+                    }
+                }
+                scm {
+                    connection.set("scm:git:git://github.com/momentohq/momento-java-lettuce-client.git")
+                    developerConnection.set("scm:git:[email protected]:momentohq/momento-java-lettuce-client.git")
+                    url.set("https://github.com/momentohq/momento-java-lettuce-client")
+                }
+            }
+        }
+    }
+}
+
+// Signing and Nexus publishing setup
+val signingKey: String? = System.getenv("SONATYPE_SIGNING_KEY")
+val signingPassword: String? = System.getenv("SONATYPE_SIGNING_KEY_PASSWORD")
+
+if (signingKey != null && signingPassword != null) {
+    signing {
+        useInMemoryPgpKeys(signingKey, signingPassword)
+        sign(publishing.publications["mavenJava"])
+    }
+}
+
+val sonatypeUsername: String? = System.getenv("SONATYPE_USERNAME")
+val sonatypePassword: String? = System.getenv("SONATYPE_PASSWORD")
+
+if (sonatypeUsername != null && sonatypePassword != null) {
+    nexusPublishing {
+        repositories {
+            sonatype {
+                nexusUrl.set(uri("https://s01.oss.sonatype.org/service/local/"))
+                snapshotRepositoryUrl.set(uri("https://s01.oss.sonatype.org/content/repositories/snapshots/"))
+                username.set(sonatypeUsername)
+                password.set(sonatypePassword)
+            }
+        }
+    }
+}