Add a comment to Repository#base_temp_dir() in reaction to #73.

mfoemmel · Apr 10, 2014 · 84f4d12 · 84f4d12
1 parent 2732c2d
commit 84f4d12
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/fig/repository.rb b/lib/fig/repository.rb
@@ -480,6 +480,10 @@ def runtime_for_package(descriptor)
     )
   end
 
+  # Note that we use a temporary directory within the repository so that we
+  # don't need to worry about crossing file-system boundaries.  If we stored
+  # things in /tmp, we couldn't do true file moves, just copies and deletes,
+  # and there would be race conditions and other not-fun things to worry about.
   def base_temp_dir()
     File.join(@local_repository_directory, 'tmp')
   end