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【Android】build.gradleからfastlaneでversionNameを取得する

Posted at

概要

fastlaneでversionNameを使用したい時、build.gradleで管理しつつ、FastfileでもversionNameを使えるようにしたので議事録として記載

build.gradle側の記載

app/build.gradle
apply plugin: 'com.android.application'
・・・
def versionMajor = 1
def versionMinor = 2
def versionPatch = 3

android {
    ・・・
    defaultConfig {
         ・・・
        versionName "${versionMajor}.${versionMinor}.${versionPatch}"
    }

それぞれバージョンを定義して、defaultConfigのversionNameで組み合わせる

Fastfile側の取得処理

fastlane/Fastfile
platform :android do

  before_all do |lane, options|
  end

  ・・・

  lane :version_name do
    app_version_name = get_version_name
  end

  after_all do |lane, options|
    # laneの実行が成功した際に呼ばれる
    ・・・
  end

  error do |lane, exception, options|
    # laneの実行がエラーになった際に呼ばれる
    ・・・
  end
end

def get_version_name
  version_major = 0
  version_minor = 0
  version_patch = 0
  File.open("../app/build.gradle") do |file|
    file.each_line do |line|
      if line.strip.start_with?("def versionMajor")
        version_major = line.split("=")[1].strip.to_i
      elsif line.strip.start_with?("def versionMinor")
        version_minor = line.split("=")[1].strip.to_i
      elsif line.strip.start_with?("def versionPatch")
        version_patch = line.split("=")[1].strip.to_i
      end
    end
  end
end

文字列にする場合は、それぞれの変数を組み合わせる
"#{version_major}.#{version_minor}.#{version_patch}"
versionNameを使いたいlaneで呼んであげる
アプリバージョンを上げる時はbuild.gradle側を更新するだけでfastlaneでも最新のversionNameを取得できる

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