diff options
Diffstat (limited to 'Library/Homebrew/resource.rb')
| -rw-r--r-- | Library/Homebrew/resource.rb | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/Library/Homebrew/resource.rb b/Library/Homebrew/resource.rb index a15788fb3..5077ac149 100644 --- a/Library/Homebrew/resource.rb +++ b/Library/Homebrew/resource.rb @@ -72,6 +72,10 @@ class Resource downloader.clear_cache end + # Verifies download and unpacks it + # The block may call `|resource,staging| staging.retain!` to retain the staging + # directory. Subclasses that override stage should implement the tmp + # dir using FileUtils.mktemp so that works with all subtypes. def stage(target = nil, &block) unless target || block raise ArgumentError, "target directory or block is required" @@ -81,15 +85,16 @@ class Resource unpack(target, &block) end - # If a target is given, unpack there; else unpack to a temp folder - # If block is given, yield to that block - # A target or a block must be given, but not both + # If a target is given, unpack there; else unpack to a temp folder. + # If block is given, yield to that block with |self, staging|, where staging + # is a staging context that responds to retain!(). + # A target or a block must be given, but not both. def unpack(target = nil) - mktemp(download_name) do + mktemp(download_name) do |staging| downloader.stage @source_modified_time = downloader.source_modified_time if block_given? - yield self + yield self, staging elsif target target = Pathname.new(target) unless target.is_a? Pathname target.install Dir["*"] |