Start versioning cached git clones

2014-12-18 12:57:37 -05:00 · 2014-12-18 12:57:37 -05:00 · ef4347b898
commit ef4347b898
parent cec6ee6527
1 changed files with 8 additions and 1 deletions
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@ -534,6 +534,10 @@ class GitDownloadStrategy < VCSDownloadStrategy
    "git"
  end

+  def cache_version
+    0
+  end
+
  def update
    cached_location.cd do
      config_repo
@ -600,7 +604,10 @@ class GitDownloadStrategy < VCSDownloadStrategy

  def clone_repo
    safe_system 'git', *clone_args
-    cached_location.cd { update_submodules } if submodules?
+    cached_location.cd do
+      safe_system "git", "config", "homebrew.cacheversion", cache_version
+      update_submodules if submodules?
+    end
  end

  def checkout