67 lines
1.8 KiB
Ruby
67 lines
1.8 KiB
Ruby
require "hbc/artifact/relocated"
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module Hbc
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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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"#{artifact_english_name} #{link_type_english_name}s"
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end
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def install_phase
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each_artifact(&method(:link))
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end
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def uninstall_phase
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each_artifact(&method(:unlink))
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end
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private
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def link
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unless source.exist?
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raise CaskError, "It seems the #{self.class.link_type_english_name.downcase} 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, "It seems there is already #{self.class.artifact_english_article} #{self.class.artifact_english_name} at '#{target}'; not linking."
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end
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ohai "Linking #{self.class.artifact_english_name} '#{source.basename}' to '#{target}'."
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create_filesystem_link(source, target)
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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.artifact_english_name} '#{target}'."
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target.delete
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end
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def create_filesystem_link(source, target)
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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.to_s
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end
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def summarize_artifact(artifact_spec)
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load_specification artifact_spec
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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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end
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end
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end
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