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Contents
module RSpec
module Core
# @private
# Deals with the fact that `shellwords` only works on POSIX systems.
module ShellEscape
module_function
def quote(argument)
"'#{argument.to_s.gsub("'", "\\\\'")}'"
end
if RSpec::Support::OS.windows?
# :nocov:
alias escape quote
# :nocov:
else
require 'shellwords'
def escape(shell_command)
Shellwords.escape(shell_command.to_s)
end
end
# Known shells that require quoting: zsh, csh, tcsh.
#
# Feel free to add other shells to this list that are known to
# allow `rspec ./some_spec.rb[1:1]` syntax without quoting the id.
#
# @private
SHELLS_ALLOWING_UNQUOTED_IDS = %w[ bash ksh fish ]
def conditionally_quote(id)
return id if shell_allows_unquoted_ids?
quote(id)
end
def shell_allows_unquoted_ids?
# Note: ENV['SHELL'] isn't necessarily the shell the user is currently running.
# According to http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html:
# "This variable shall represent a pathname of the user's preferred command language interpreter."
#
# It's the best we can easily do, though. We err on the side of safety (quoting
# the id when not actually needed) so it's not a big deal if the user is actually
# using a different shell.
SHELLS_ALLOWING_UNQUOTED_IDS.include?(ENV['SHELL'].to_s.split('/').last)
end
end
end
end
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