Prepare for maven publishing to Sonatype (#9)

* Maven publishing to Sonatype

* also allow manual workflow dispatches

Author: davidliu

.github/publish.yml

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+name: Publish
+
+on:
+  workflow_dispatch:
+  push:
+    # only publish on version tags
+    tags:
+      - v*
+  pull_request:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./android
+    steps:
+    - name: checkout repo
+      uses: actions/checkout@v3
+      with:
+        path: ./android
+        submodules: recursive
+
+    - name: set up JDK 12
+      uses: actions/setup-java@v2
+      with:
+        java-version: '12'
+        distribution: 'adopt'
+
+    - name: Download aar
+      run: downloadAar.sh
+
+    - name: Check aar exists
+      run: test -f "libwebrtc.aar"
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+
+    - name: Create gpg key and import into gradle properties
+      run: |
+        echo $GPG_KEY_ARMOR | base64 --decode > ./release.asc
+        gpg --quiet --output $GITHUB_WORKSPACE/release.gpg --dearmor ./release.asc
+        sed -i -e "s,nexusUsername=,nexusUsername=$NEXUS_USERNAME,g" gradle.properties
+        sed -i -e "s,nexusPassword=,nexusPassword=$NEXUS_PASSWORD,g" gradle.properties
+        sed -i -e "s,signing.keyId=,signing.keyId=$GPG_KEY_ID,g" gradle.properties
+        sed -i -e "s,signing.password=,signing.password=$GPG_PASSWORD,g" gradle.properties
+        sed -i -e "s,signing.secretKeyRingFile=,signing.secretKeyRingFile=$GITHUB_WORKSPACE/release.gpg,g" gradle.properties
+      env:
+        GPG_KEY_ARMOR: "${{ secrets.SIGNING_KEY_ARMOR }}"
+        GPG_KEY_ID: ${{ secrets.SIGNING_KEY_ID }}
+        GPG_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
+        NEXUS_USERNAME: ${{ secrets.NEXUS_USERNAME }}
+        NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}
+
+    - name: Publish to sonatype
+      run: ./gradlew publish

.gitignore

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+build/
+.gradle/
+.DS_Store
+*.asc

build.gradle

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+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath "io.codearte.gradle.nexus:gradle-nexus-staging-plugin:0.30.0"
+    }
+}
+apply plugin: "maven-publish"
+apply plugin: 'signing'
+apply plugin: 'io.codearte.nexus-staging'
+
+nexusStaging {
+    serverUrl = "https://s01.oss.sonatype.org/service/local/"
+    packageGroup = GROUP
+    stagingProfileId = "550fa82137976"
+}
+
+def getReleaseRepositoryUrl() {
+    return hasProperty('RELEASE_REPOSITORY_URL') ? RELEASE_REPOSITORY_URL
+            : "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
+}
+
+def getRepositoryUsername() {
+    return hasProperty('nexusUsername') ? nexusUsername : ""
+}
+
+def getRepositoryPassword() {
+    return hasProperty('nexusPassword') ? nexusPassword : ""
+}
+
+def configurePom(pom) {
+    pom.name = POM_NAME
+    pom.packaging = POM_PACKAGING
+    pom.description = POM_DESCRIPTION
+    pom.url = POM_URL
+
+    pom.scm {
+        url = POM_SCM_URL
+        connection = POM_SCM_CONNECTION
+        developerConnection = POM_SCM_DEV_CONNECTION
+    }
+
+    pom.licenses {
+        license {
+            name = POM_LICENCE_NAME
+            url = POM_LICENCE_URL
+            distribution = POM_LICENCE_DIST
+        }
+    }
+}
+
+publishing {
+    repositories {
+        maven {
+            url getReleaseRepositoryUrl()
+            credentials(PasswordCredentials) {
+                username = getRepositoryUsername()
+                password = getRepositoryPassword()
+            }
+        }
+    }
+    publications {
+        maven(MavenPublication) {
+            groupId = GROUP
+            artifactId = POM_ARTIFACT_ID
+            version = VERSION_NAME
+            artifact ("libwebrtc.aar")
+            artifact ("deploy/sources.jar") {
+                classifier 'sources'
+            }
+            artifact ("deploy/javadoc.jar") {
+                classifier 'javadoc'
+            }
+        }
+    }
+
+    signing {
+        publishing.publications.all { publication ->
+            sign publication
+        }
+    }
+}

deploy/README

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+Javadoc and sources are not available, but are required for deployment on Sonatype. These jars are used to bypass those checks.

deploy/javadoc.jar

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+#!/bin/bash
+
+set -e
+
+# Get VERSION_NAME from gradle.properties
+VERSION=`grep -o 'VERSION_NAME=.*' gradle.properties | cut -f2- -d=`
+
+SDK_BIN_URL=https://github.com/webrtc-sdk/android/releases/download/${VERSION}/libwebrtc.aar
+
+echo "Downloading webrtc-sdk ${VERSION} binary for android."
+curl -L -O ${SDK_BIN_URL}

deploy/sources.jar

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+GROUP=io.github.webrtc-sdk
+VERSION_NAME=104.5112.07
+
+POM_NAME=WebRTC Android SDK
+POM_DESCRIPTION=WebRTC Android SDK
+POM_ARTIFACT_ID=android
+POM_PACKAGING=aar
+
+POM_URL=https://github.com/webrtc-sdk/android
+POM_SCM_URL=https://github.com/webrtc-sdk/android
+POM_SCM_CONNECTION=scm:git:git://github.com/webrtc-sdk/android.git
+POM_SCM_DEV_CONNECTION=scm:git:ssh://[email protected]/webrtc-sdk/android.git
+
+POM_LICENCE_NAME=The 3-Clause BSD License
+POM_LICENCE_URL=https://opensource.org/license/bsd-3-clause/
+POM_LICENCE_DIST=repo
+
+RELEASE_REPOSITORY_URL=https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/
+SNAPSHOT_REPOSITORY_URL=https://s01.oss.sonatype.org/content/repositories/snapshots/
+# Variables required to allow build.gradle to parse for publishing.
+# WARNING: Do not edit this and potentially commit to repo.
+# Instead, override in ~/.gradle/gradle.properties
+nexusUsername=
+nexusPassword=
+signing.keyId=
+signing.password=
+signing.secretKeyRingFile=

downloadAar.sh

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+#Thu Apr 29 14:50:17 JST 2021
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME