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Merge pull request #8537 from miccal/cask_symlink

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cask/artifact/symlinked: allow --force to overwrite symbolic links
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Markus Reiter 2020-09-03 07:55:44 +02:00 committed by GitHub
commit 233cac0d95
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1 changed files with 11 additions and 4 deletions
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15
Library/Homebrew/cask/artifact/symlinked.rb
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@ -40,7 +40,7 @@ module Cask
private private
def link(**options) def link(force: false, **options)
unless source.exist? unless source.exist?
raise CaskError, raise CaskError,
"It seems the #{self.class.link_type_english_name.downcase} " \ "It seems the #{self.class.link_type_english_name.downcase} " \
@ -48,9 +48,16 @@ module Cask
end end
if target.exist? if target.exist?
raise CaskError, message = "It seems there is already #{self.class.english_article} " \
"It seems there already exists #{self.class.english_article} " \ "#{self.class.english_name} at '#{target}'"
"#{self.class.english_name} at '#{target}'; not overwriting."
if force && target.symlink? && \
(target.realpath == source.realpath || target.realpath.to_s.start_with?("#{cask.caskroom_path}/"))
opoo "#{message}; overwriting."
target.delete
else
raise CaskError, "#{message}."
end
end end
ohai "Linking #{self.class.english_name} '#{source.basename}' to '#{target}'." ohai "Linking #{self.class.english_name} '#{source.basename}' to '#{target}'."