Gradle 依赖 diff

[bingoogolapple]

方式一：自定义 task 读取

static def getDepMap(String filePath) {
    def depMap = new HashMap<String, String>()
    new File(filePath).readLines().each {
        def splitIndex = it.lastIndexOf(':')
        depMap.put(it.substring(0, splitIndex), it.substring(splitIndex))
    }
    return depMap
}

project.afterEvaluate {
    project.android.applicationVariants.all { variant ->
        // ./gradlew -q :app:showDepDebug -Pnew=false
        tasks.create(name: "showDep${variant.name.capitalize()}", description: "生成所有依赖到 build 目录中") {
            doLast {
                Configuration configuration = project.configurations."${variant.name}RuntimeClasspath"
                def depFileName = "depOld.txt"
                if (project.hasProperty("new") && project.property("new") == "true") {
                    depFileName = "depNew.txt"
                }

                Set<String> depSet = new HashSet<String>()
                configuration.resolvedConfiguration.lenientConfiguration.allModuleDependencies.each {
                    def identifier = it.module.id
                    if (identifier.version != 'unspecified') {
                        depSet.add("${identifier.module}:${identifier.version}\n")
                    }
                }

                new File("${project.buildDir.absolutePath}/${depFileName}").withWriter { writer ->
                    depSet.sort().each {
                        writer.append(it)
                    }
                }
            }
        }
    }
}

// ./gradlew -q :app:showDepDiff
tasks.create(name: "showDepDiff", description: "打印依赖到根目录文件") {
    doLast {
        def oldMap = getDepMap("${project.buildDir.absolutePath}/depOld.txt")
        def newMap = getDepMap("${project.buildDir.absolutePath}/depNew.txt")

        def deleteList = new ArrayList<String>()
        def updateList = new ArrayList<String>()
        def addList = new ArrayList<String>()

        oldMap.each {
            if (!newMap.containsKey(it.key)) {
                deleteList.add("${it.key}${it.value}")
            } else if (newMap.get(it.key) != it.value) {
                updateList.add("${it.key.padRight(60)} ${it.value.substring(1).padLeft(15)} => ${newMap.get(it.key).substring(1)}")
            }
        }

        newMap.each {
            if (!oldMap.containsKey(it.key)) {
                addList.add("${it.key}${it.value}")
            }
        }

        new File("${project.rootDir}/depDiff.txt").withWriter { writer ->
            writer.append("删除的依赖 ${deleteList.size()} ==>\n")
            deleteList.each {
                writer.append("${it}\n")
            }
            writer.append("\n\n修改的依赖 ${updateList.size()} ==>\n")
            updateList.each {
                writer.append("${it}\n")
            }
            writer.append("\n\n新增的依赖 ${addList.size()} ==>\n")
            addList.each {
                writer.append("${it}\n")
            }
            writer.flush()
        }
    }
}