diff options
Diffstat (limited to 'lib/chef/mixin/which.rb')
| -rw-r--r-- | lib/chef/mixin/which.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/chef/mixin/which.rb b/lib/chef/mixin/which.rb new file mode 100644 index 0000000000..4179c97b62 --- /dev/null +++ b/lib/chef/mixin/which.rb @@ -0,0 +1,37 @@ +#-- +# Author:: Lamont Granquist <lamont@getchef.io> +# Copyright:: Copyright (c) 2010 Opscode, Inc. +# License:: Apache License, Version 2.0 +# +# 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. + +class Chef + module Mixin + module Which + def which(cmd, opts = {}) + extra_path = + if opts[:extra_path].nil? + [ '/bin', '/usr/bin', '/sbin', '/usr/sbin' ] + else + [ opts[:extra_path] ].flatten + end + paths = ENV['PATH'].split(File::PATH_SEPARATOR) + extra_path + paths.each do |path| + filename = File.join(path, cmd) + return filename if File.executable?(filename) + end + false + end + end + end +end |