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Skip migration if cache is empty or doesn’t exist. #4788

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Sep 1, 2018
Merged

Skip migration if cache is empty or doesn’t exist. #4788

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6 changes: 6 additions & 0 deletions Library/Homebrew/update_migrator.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,9 @@ def migrate_cache_entries_to_double_dashes(initial_version)

return if ENV.key?("HOMEBREW_DISABLE_LOAD_FORMULA")

return unless HOMEBREW_CACHE.directory?
return if HOMEBREW_CACHE.children.empty?

ohai "Migrating cache entries..."

Formula.each do |formula|
Expand Down Expand Up @@ -78,6 +81,9 @@ def migrate_cache_entries_to_symlinks(initial_version)

return if ENV.key?("HOMEBREW_DISABLE_LOAD_FORMULA")

return unless HOMEBREW_CACHE.directory?
return if HOMEBREW_CACHE.children.empty?

ohai "Migrating cache entries..."

cache_entries = lambda do |path|
Expand Down