feat: support for maven publish (snapshot/release)

build.gradle

@@ -31,8 +31,9 @@ plugins {
 
 apply from: 'gradle/functions.gradle'
 
-def apktoolversion_major = '2.5.1'
-def apktoolversion_minor = 'SNAPSHOT'
+group = 'org.apktool'
+version = '2.5.1'
+def suffix = 'SNAPSHOT'
 
 defaultTasks 'build', 'shadowJar', 'proguard'
 
@@ -68,25 +69,28 @@ allprojects {
     gradle.startParameter.excludedTaskNames += "licenseTest"
 }
 
+def apktoolVersion = 'unspecified'
 if (!('release' in gradle.startParameter.taskNames)) {
     def hash = getCheckedOutGitCommitHash()
 
     if (hash == null) {
         project.ext.set("hash", "dirty")
-        project.ext.set("apktool_version", apktoolversion_major + "-dirty")
+        project.ext.set("apktool_version", version + "-dirty")
         println "Building SNAPSHOT (no .git folder found)"
     } else {
         project.ext.set("hash", hash)
-        project.ext.set("apktool_version", apktoolversion_major + "-" + hash + "-SNAPSHOT")
+        project.ext.set("apktool_version", version + "-" + hash + "-SNAPSHOT")
+        apktoolVersion = version + "-dev"
         println "Building SNAPSHOT (" + getCheckedOutBranch() + "): " + hash
     }
 } else {
     project.ext.set("hash", "")
-    if (apktoolversion_minor.length() > 0) {
-        project.ext.set("apktool_version", apktoolversion_major + "-" + apktoolversion_minor)
+    if (suffix.length() > 0) {
+        project.ext.set("apktool_version", version + "-" + suffix)
     } else {
-        project.ext.set("apktool_version", apktoolversion_major)
+        project.ext.set("apktool_version", version)
     }
+    apktoolVersion = version
     println "Building RELEASE (" + getCheckedOutBranch() + "): " + project.ext.apktool_version
 }
 
@@ -107,6 +111,10 @@ build.doFirst {
 task release {
 }
 
+// used for publishing snapshot builds to maven.
+task snapshot {
+}
+
 subprojects {
     apply plugin: 'java'
 
@@ -135,4 +143,81 @@ subprojects {
             exceptionFormat = 'full'
         }
     }
+
+    if (project.name == 'apktool-lib') {
+        apply plugin: 'maven-publish'
+        apply plugin: 'signing'
+
+        publishing {
+            publications {
+                mavenJava(MavenPublication) {
+                    groupId = 'org.apktool'
+                    artifactId = project.name
+                    version = apktoolVersion
+
+                    versionMapping {
+                        usage('java-api') {
+                            fromResolutionOf('runtimeClasspath')
+                        }
+                        usage('java-runtime') {
+                            fromResolutionResult()
+                        }
+                    }
+                    pom {
+                        name = 'Apktool'
+                        description = 'A tool for reverse engineering Android apk files.'
+                        url = 'https://apktool.org'
+
+                        licenses {
+                            license {
+                                name = 'The Apache License 2.0'
+                                url = 'https://opensource.org/licenses/Apache-2.0'
+                            }
+                        }
+                        developers {
+                            developer {
+                                id = 'iBotPeaches'
+                                name = 'Connor Tumbleson'
+                                email = 'connor.tumbleson@gmail.com'
+                            }
+                            developer {
+                                id = 'brutall'
+                                name = 'Ryszard Wiśniewski'
+                                email = 'brut.alll@gmail.com'
+                            }
+                        }
+                        scm {
+                            connection = 'scm:git:git://github.com/iBotPeaches/Apktool.git'
+                            developerConnection = 'scm:git:git@github.com:iBotPeaches/Apktool.git'
+                            url = 'https://ibotpeaches.github.io/Apktool'
+                        }
+                    }
+                }
+            }
+            if (rootProject.hasProperty('ossrhUsername') && rootProject.hasProperty('ossrhPassword')) {
+                repositories {
+                    maven {
+                        url = 'https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/'
+                        credentials {
+                            username ossrhUsername
+                            password ossrhPassword
+                        }
+                    }
+                }
+            }
+        }
+
+        signing {
+            required { gradle.taskGraph.hasTask('publish') }
+            sign(publishing.publications["mavenJava"])
+        }
+
+        java {
+            withJavadocJar()
+            withSourcesJar()
+        }
+
+        tasks.getByPath(':release').dependsOn(publish);
+        tasks.getByPath(':snapshot').dependsOn(publish);
+    }
 }