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module Utils
module Link
module_function
def link_src_dst_dirs(src_dir, dst_dir, command, link_dir: false)
return unless src_dir.exist?
conflicts = []
src_paths = link_dir ? [src_dir] : src_dir.find
src_paths.each do |src|
next if src.directory? && !link_dir
dst = dst_dir/src.relative_path_from(src_dir)
if dst.symlink?
next if src == dst.resolved_path
dst.unlink
end
if dst.exist?
conflicts << dst
next
end
dst_dir.parent.mkpath
dst.make_relative_symlink(src)
end
return if conflicts.empty?
onoe <<-EOS.undent
Could not link:
#{conflicts.join("\n")}
Please delete these paths and run `#{command}`.
EOS
end
private_class_method :link_src_dst_dirs
def unlink_src_dst_dirs(src_dir, dst_dir, unlink_dir: false)
return unless src_dir.exist?
src_paths = unlink_dir ? [src_dir] : src_dir.find
src_paths.each do |src|
next if src.directory? && !unlink_dir
dst = dst_dir/src.relative_path_from(src_dir)
dst.delete if dst.symlink? && src == dst.resolved_path
dst.parent.rmdir_if_possible
end
end
private_class_method :unlink_src_dst_dirs
def link_manpages(path, command)
link_src_dst_dirs(path/"manpages", HOMEBREW_PREFIX/"share/man/man1", command)
end
def unlink_manpages(path)
unlink_src_dst_dirs(path/"manpages", HOMEBREW_PREFIX/"share/man/man1")
end
def link_completions(path, command)
link_src_dst_dirs(path/"completions/bash", HOMEBREW_PREFIX/"etc/bash_completion.d", command)
link_src_dst_dirs(path/"completions/zsh", HOMEBREW_PREFIX/"share/zsh/site-functions", command)
link_src_dst_dirs(path/"completions/fish", HOMEBREW_PREFIX/"share/fish/vendor_completions.d", command)
end
def unlink_completions(path)
unlink_src_dst_dirs(path/"completions/bash", HOMEBREW_PREFIX/"etc/bash_completion.d")
unlink_src_dst_dirs(path/"completions/zsh", HOMEBREW_PREFIX/"share/zsh/site-functions")
unlink_src_dst_dirs(path/"completions/fish", HOMEBREW_PREFIX/"share/fish/vendor_completions.d")
end
def link_docs(path, command)
link_src_dst_dirs(path/"docs", HOMEBREW_PREFIX/"share/doc/homebrew", command, link_dir: true)
end
end
end
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