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require 'chef/chef_fs/knife'
class Chef
class Knife
class Edit < Chef::ChefFS::Knife
banner "knife edit [PATTERN1 ... PATTERNn]"
category "path-based"
deps do
require 'chef/chef_fs/file_system'
require 'chef/chef_fs/file_system/not_found_error'
end
option :local,
:long => '--local',
:boolean => true,
:description => "Show local files instead of remote"
def run
# Get the matches (recursively)
error = false
pattern_args.each do |pattern|
Chef::ChefFS::FileSystem.list(config[:local] ? local_fs : chef_fs, pattern).each do |result|
if result.dir?
ui.error "#{format_path(result)}: is a directory" if pattern.exact_path
error = true
else
begin
new_value = edit_text(result.read, File.extname(result.name))
if new_value
result.write(new_value)
output "Updated #{format_path(result)}"
else
output "#{format_path(result)} unchanged!"
end
rescue Chef::ChefFS::FileSystem::OperationNotAllowedError => e
ui.error "#{format_path(e.entry)}: #{e.reason}."
error = true
rescue Chef::ChefFS::FileSystem::NotFoundError => e
ui.error "#{format_path(e.entry)}: No such file or directory"
error = true
end
end
end
end
if error
exit 1
end
end
def edit_text(text, extension)
if (!config[:disable_editing])
file = Tempfile.new([ 'knife-edit-', extension ])
begin
# Write the text to a temporary file
file.open
file.write(text)
file.close
# Let the user edit the temporary file
if !system("#{config[:editor]} #{file.path}")
raise "Please set EDITOR environment variable"
end
file.open
result_text = file.read
return result_text if result_text != text
ensure
file.close!
end
end
end
end
end
end
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