Initial commit

.gitignore

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+*.gem
+Gemfile.lock
+
+## Documentation cache and generated files:
+/.yardoc/
+/_yardoc/
+/doc/
+/rdoc/
+fastlane/README.md
+fastlane/report.xml
+coverage
+test-results

Gemfile

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+source('https://rubygems.org')
+
+gemspec
+
+plugins_path = File.join(File.dirname(__FILE__), 'fastlane', 'Pluginfile')
+eval_gemfile(plugins_path) if File.exist?(plugins_path)

LICENSE

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+MIT License
+
+Copyright (c) 2019 Vincent HO-SUNE
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# xcode_tools_select plugin
+
+[![fastlane Plugin Badge](https://rawcdn.githack.com/fastlane/fastlane/master/fastlane/assets/plugin-badge.svg)](https://rubygems.org/gems/fastlane-plugin-xcode_tools_select)
+
+## Getting Started
+
+This project is a [_fastlane_](https://github.com/fastlane/fastlane) plugin. To get started with `fastlane-plugin-xcode_tools_select`, add it to your project by running:
+
+```bash
+fastlane add_plugin xcode_tools_select
+```
+
+## About xcode_tools_select
+
+When you have multiple Xcode installed, you can use this plugin to select which version of Xcode to build with.
+
+add this line in your fastlane/Fastfile before the building section
+
+```
+xcode_tools_select(version: "[VERSION]")
+```
+
+
+## Example
+
+Check out the [example `Fastfile`](fastlane/Fastfile) to see how to use this plugin. Try it by cloning the repo, running `fastlane install_plugins` and `bundle exec fastlane test`.
+
+To select Xcode 10.+ to compile:
+```
+xcode_tools_select(version: "10.*")
+```
+
+## Issues and Feedback
+
+For any other issues and feedback about this plugin, please submit it to this repository.
+
+## Troubleshooting
+
+If you have trouble using plugins, check out the [Plugins Troubleshooting](https://docs.fastlane.tools/plugins/plugins-troubleshooting/) guide.
+
+## Using _fastlane_ Plugins
+
+For more information about how the `fastlane` plugin system works, check out the [Plugins documentation](https://docs.fastlane.tools/plugins/create-plugin/).
+
+## About _fastlane_
+
+_fastlane_ is the easiest way to automate beta deployments and releases for your iOS and Android apps. To learn more, check out [fastlane.tools](https://fastlane.tools).

fastlane-plugin-xcode_tools_select.gemspec

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+# coding: utf-8
+
+lib = File.expand_path("../lib", __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require 'fastlane/plugin/xcode_tools_select/version'
+
+Gem::Specification.new do |spec|
+  spec.name          = 'fastlane-plugin-xcode_tools_select'
+  spec.version       = Fastlane::XcodeToolsSelect::VERSION
+  spec.author        = 'Vincent HO-SUNE'
+  spec.email         = 'vhosune@gmail.com'
+
+  spec.summary       = 'Set the [version] of the default Xcode Command Line Tools path to use.'
+  spec.homepage      = "https://github.com/vhosune/fastlane-plugin-xcode_tools_select"
+  spec.license       = "MIT"
+  spec.description   = "Sets the DEVELOPER_DIR environment, used by fastlane to run Xcode command line tools, to a specific Xcode version found on the current system."
+
+  spec.files         = Dir["lib/**/*"] + %w(README.md LICENSE)
+  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
+  spec.require_paths = ['lib']
+
+  # Don't add a dependency to fastlane or fastlane_re
+  # since this would cause a circular dependency
+
+end

fastlane/Fastfile

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+
+lane :test do
+  xcode_tools_select(version: "10.*")
+end

fastlane/Pluginfile

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+# Autogenerated by fastlane

lib/fastlane/plugin/xcode_tools_select.rb

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+require 'fastlane/plugin/xcode_tools_select/version'
+
+module Fastlane
+  module XcodeToolsSelect
+    # Return all .rb files inside the "actions" and "helper" directory
+    def self.all_classes
+      Dir[File.expand_path('**/{actions,helper}/*.rb', File.dirname(__FILE__))]
+    end
+  end
+end
+
+# By default we want to import all available actions and helpers
+# A plugin can contain any number of actions and plugins
+Fastlane::XcodeToolsSelect.all_classes.each do |current|
+  require current
+end

lib/fastlane/plugin/xcode_tools_select/actions/xcode_tools_select_action.rb

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+require 'fastlane/action'
+require_relative '../helper/xcode_tools_select_helper'
+
+module Fastlane
+  module Actions
+    class XcodeToolsSelectAction < Action
+      def self.run(params)      
+        required_version = params[:version]
+
+        UI.message("Search for Xcode Command Line Tools with version: #{required_version}")
+
+        # Search for Xcode paths
+        output = Actions.sh_no_action("mdfind -0 'kMDItemCFBundleIdentifier = 'com.apple.dt.Xcode' && kMDItemVersion = '#{required_version}''", log: false)
+
+        UI.user_error!("Xcode matching version `#{required_version}` not found !") unless !output.empty?
+
+        paths = output.split("\0")
+        paths.each do |line|
+          UI.message("found: #{line} ")
+        end
+
+        # Select the first matching one
+        xcode_path = paths.first
+        xcode_tools_path = File.join(xcode_path, "/Contents/Developer")
+
+        # Verify that the path exists
+        UI.user_error!("Path '#{xcode_tools_path}' doesn't exist") unless Dir.exist?(xcode_tools_path)
+
+        # Get the exact Version found
+        itemVersion = Actions.sh_no_action("mdls -name 'kMDItemVersion' -raw #{xcode_path}", log: false)
+
+        UI.message("Setting Xcode version #{itemVersion} to #{xcode_tools_path} for all build steps")
+
+        ENV["DEVELOPER_DIR"] = xcode_tools_path
+
+      end
+
+      def self.description
+        "Set the [version] of the default Xcode Command Line Tools path to use."
+      end
+
+      def self.authors
+        ["Vincent HO-SUNE"]
+      end
+
+      def self.available_options
+        [
+           FastlaneCore::ConfigItem.new(key: :version,
+                                   env_name: "XCODE_TOOLS_SELECT_VERSION",
+                                description: "Version of Xcode to select",
+                                   optional: false,
+                                       type: String)
+        ]
+      end
+
+      def self.is_supported?(platform)
+        [:ios, :mac].include?(platform)
+        true
+      end
+
+      def self.example_code
+        [
+          'xcode_tools_select(version: "10.*")'
+        ]
+      end
+
+      def self.category
+        :building
+      end
+
+    end
+  end
+end

lib/fastlane/plugin/xcode_tools_select/helper/xcode_tools_select_helper.rb

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+require 'fastlane_core/ui/ui'
+
+module Fastlane
+  UI = FastlaneCore::UI unless Fastlane.const_defined?("UI")
+
+  module Helper
+    class XcodeToolsSelectHelper
+      # class methods that you define here become available in your action
+      # as `Helper::XcodeToolsSelectHelper.your_method`
+      #
+      def self.show_message
+        UI.message("Hello from the xcode_tools_select plugin helper!")
+      end
+    end
+  end
+end

lib/fastlane/plugin/xcode_tools_select/version.rb

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+module Fastlane
+  module XcodeToolsSelect
+    VERSION = "0.1.0"
+  end
+end