CocoaPods/CocoaPods#11827, Fix Concurrent building occasionally clean…

…s the Pods cache directory

cocoapods-fix-cache.gemspec

@@ -1,7 +1,7 @@
 # coding: utf-8
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'cocoapods-fix-cache/gem_version.rb'
+require 'cocoapods-fix-cache.rb'
 
 Gem::Specification.new do |spec|
  spec.name = 'cocoapods-fix-cache'

lib/cocoapods-fix-cache.rb

@@ -1 +1,3 @@
-require 'cocoapods-fix-cache/gem_version'
+module CocoapodsFixCache
+ VERSION = "0.1.0"
+end

lib/cocoapods-fix-cache/fix-cache.rb

@@ -0,0 +1,23 @@
+module Pod
+ module Downloader
+ class Cache
+ alias_method :old_ensure_matching_version, :ensure_matching_version
+ def ensure_matching_version
+ # Fix Concurrent building occasionally cleans the Pods cache directory #11826 #11827
+ # https://github.com/CocoaPods/CocoaPods/pull/11827
+ if Cache.respond_to?(:read_lock) && Cache.respond_to?(:write_lock)
+ version_file = root + "VERSION"
+ version = nil
+ Cache.read_lock(version_file) { version = version_file.read.strip if version_file.file? }
+
+ root.rmtree if version != Pod::VERSION && root.exist?
+ root.mkpath
+
+ Cache.write_lock(version_file) { version_file.open("w") { |f| f << Pod::VERSION } }
+ else
+ old_ensure_matching_version
+ end
+ end
+ end
+ end
+end

lib/cocoapods_plugin.rb

@@ -1 +1 @@
-require 'cocoapods-fix-cache/command'
+require "cocoapods-fix-cache/fix-cache"