66 lines
2.0 KiB
Ruby
66 lines
2.0 KiB
Ruby
require "hbc/artifact/relocated"
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class Hbc::Artifact::Symlinked < Hbc::Artifact::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 self.islink?(path)
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path.symlink?
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end
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def link(artifact_spec)
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load_specification artifact_spec
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return unless preflight_checks(source, target)
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ohai "#{self.class.link_type_english_name}ing #{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(artifact_spec)
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load_specification artifact_spec
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return unless self.class.islink?(target)
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ohai "Removing #{self.class.artifact_english_name} #{self.class.link_type_english_name.downcase}: '#{target}'"
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target.delete
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end
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def install_phase
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@cask.artifacts[self.class.artifact_dsl_key].each(&method(:link))
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end
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def uninstall_phase
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@cask.artifacts[self.class.artifact_dsl_key].each(&method(:unlink))
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end
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def preflight_checks(source, target)
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if target.exist? && !self.class.islink?(target)
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ohai "It seems there is already #{self.class.artifact_english_article} #{self.class.artifact_english_name} at '#{target}'; not linking."
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return false
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end
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unless source.exist?
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raise Hbc::CaskError, "It seems the #{self.class.link_type_english_name.downcase} source is not there: '#{source}'"
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end
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true
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end
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def create_filesystem_link(source, target)
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Pathname.new(target).dirname.mkpath
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@command.run!("/bin/ln", args: ["-hfs", "--", 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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return unless self.class.islink?(target)
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link_description = "#{Tty.red}Broken Link#{Tty.reset}: " unless target.exist?
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target_readlink_abv = " (#{target.readlink.abv})" if target.readlink.exist?
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"#{link_description}#{printable_target} -> #{target.readlink}#{target_readlink_abv}"
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end
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end
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