a32f34b408
Knife-Zero doesn't include Berkshelf support, so vendoring everything in the repo is convenient again
69 lines
2.0 KiB
Ruby
69 lines
2.0 KiB
Ruby
#
|
|
# Copyright 2015-2017, Noah Kantrowitz
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
|
|
require 'shellwords'
|
|
|
|
require 'poise_languages/utils/which'
|
|
|
|
|
|
module PoiseLanguages
|
|
module Utils
|
|
include Which
|
|
extend self
|
|
|
|
# Default whitelist for {#shelljoin}.
|
|
SHELLJOIN_WHITELIST = [/^2?[><]/]
|
|
|
|
# An improved version of Shellwords.shelljoin that doesn't escape a few
|
|
# things.
|
|
#
|
|
# @param cmd [Array<String>] Command array to join.
|
|
# @param whitelist [Array<Regexp>] Array of patterns to whitelist.
|
|
# @return [String]
|
|
def shelljoin(cmd, whitelist: SHELLJOIN_WHITELIST)
|
|
cmd.map do |str|
|
|
if whitelist.any? {|pat| str =~ pat }
|
|
str
|
|
else
|
|
Shellwords.shellescape(str)
|
|
end
|
|
end.join(' ')
|
|
end
|
|
|
|
# Convert the executable in a string or array command to an absolute path.
|
|
#
|
|
# @param cmd [String, Array<String>] Command to fix up.
|
|
# @param path [String, nil] Replacement $PATH for executable lookup.
|
|
# @return [String, Array<String>]
|
|
def absolute_command(cmd, path: nil)
|
|
was_array = cmd.is_a?(Array)
|
|
cmd = if was_array
|
|
cmd.dup
|
|
else
|
|
Shellwords.split(cmd)
|
|
end
|
|
# Don't try to touch anything if the first value looks like a flag or a path.
|
|
if cmd.first && !cmd.first.start_with?('-') && !cmd.first.include?(::File::SEPARATOR)
|
|
# If which returns false, just leave it I guess.
|
|
cmd[0] = which(cmd.first, path: path) || cmd.first
|
|
end
|
|
cmd = shelljoin(cmd) unless was_array
|
|
cmd
|
|
end
|
|
|
|
end
|
|
end
|