48 lines
1.0 KiB
Ruby
48 lines
1.0 KiB
Ruby
require 'fileutils'
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require 'hbc/verify'
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class Hbc::Download
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attr_reader :cask
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def initialize(cask, force=false)
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@cask = cask
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@force = force
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end
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def perform
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clear_cache
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fetch
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create_cache_symlink
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downloaded_path
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end
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private
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attr_reader :force
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attr_accessor :downloaded_path
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def downloader
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@downloader ||= case cask.url.using
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when :svn then Hbc::SubversionDownloadStrategy.new(cask)
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when :post then Hbc::CurlPostDownloadStrategy.new(cask)
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else Hbc::CurlDownloadStrategy.new(cask)
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end
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end
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def clear_cache
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downloader.clear_cache if force || cask.version.latest?
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end
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def fetch
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self.downloaded_path = downloader.fetch
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rescue StandardError => e
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raise Hbc::CaskError.new("Download failed on Cask '#{cask}' with message: #{e}")
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end
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# this symlink helps track which downloads are ours
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def create_cache_symlink
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symlink_path = HOMEBREW_CACHE_CASKS.join(downloaded_path.basename)
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FileUtils.ln_sf downloaded_path, symlink_path
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end
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end
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