70 lines
1.8 KiB
Ruby
70 lines
1.8 KiB
Ruby
require "cask/artifact/relocated"
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module Cask
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module Artifact
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class Symlinked < Relocated
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def self.link_type_english_name
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"Symlink"
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end
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def self.english_description
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"#{english_name} #{link_type_english_name}s"
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end
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def install_phase(**options)
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link(**options)
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end
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def uninstall_phase(**options)
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unlink(**options)
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end
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def summarize_installed
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if target.symlink? && target.exist? && target.readlink.exist?
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"#{printable_target} -> #{target.readlink} (#{target.readlink.abv})"
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else
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string = if target.symlink?
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"#{printable_target} -> #{target.readlink}"
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else
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printable_target
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end
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Formatter.error(string, label: "Broken Link")
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end
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end
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private
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def link(**options)
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unless source.exist?
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raise CaskError,
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"It seems the #{self.class.link_type_english_name.downcase} " \
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"source '#{source}' is not there."
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end
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if target.exist? && !target.symlink?
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raise CaskError,
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"It seems there is already #{self.class.english_article} " \
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"#{self.class.english_name} at '#{target}'; not linking."
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end
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ohai "Linking #{self.class.english_name} '#{source.basename}' to '#{target}'."
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create_filesystem_link(**options)
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end
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def unlink(**)
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return unless target.symlink?
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ohai "Unlinking #{self.class.english_name} '#{target}'."
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target.delete
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end
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def create_filesystem_link(command: nil, **_)
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target.dirname.mkpath
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command.run!("/bin/ln", args: ["-h", "-f", "-s", "--", source, target])
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add_altname_metadata(source, target.basename, command: command)
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end
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end
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end
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end
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