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|
module Rsync
# Provides details about changes made to a specific file.
#
# Change Flags:
#
# :no_change
# :identical
# :new
# :unknown
# :changed
class Change
def initialize(data)
@data = data
end
# The filename associated with this change.
# @return [String]
def filename
@data[12..-1]
end
# Whether the file was changed or not.
# @return [Boolean]
def changed?
if update_type == :no_change
false
else
true
end
end
# Simple description of the change.
# @return [String]
def summary
if update_type == :message
message
elsif update_type == :recv and @data[2,9] == "+++++++++"
"creating local"
elsif update_type == :recv
"updating local"
elsif update_type == :sent and @data[2,9] == "+++++++++"
"creating remote"
elsif update_type == :sent
"updating remote"
else
changes = []
[:checksum, :size, :timestamp, :permissions, :owner, :group, :acl].each do |prop|
changes << prop if send(prop) == :changed
end
changes.join(", ")
end
end
# @!group Change Flags
# The change, if any, to the checksum of the file.
# @return [Symbol]
def checksum
attribute_prop(2)
end
# The change, if any, to the size of the file.
# @return [Symbol]
def size
attribute_prop(3)
end
# The change, if any, to the timestamp of the file.
# @return [Symbol]
def timestamp
attribute_prop(4)
end
# The change, if any, to the file permissions.
# @return [Symbol]
def permissions
attribute_prop(5)
end
# The change, if any, to the owner of the file.
# @return [Symbol]
def owner
attribute_prop(6)
end
# The change, if any, to the group of the file.
# @return [Symbol]
def group
attribute_prop(7)
end
# The change, if any, to the file ACL.
# @return [Symbol]
def acl
attribute_prop(9)
end
# The change, if any, to the file's extended attributes.
# @return [Symbol]
def ext_attr
attribute_prop(10)
end
# @!endgroup
# The type of update made to the file.
#
# :sent
# :recv
# :change
# :hard_link
# :no_update
# :message
#
# @return [Symbol]
def update_type
case raw_update_type
when '<'
:sent
when '>'
:recv
when 'c'
:change
when 'h'
:hard_link
when '.'
:no_update
when '*'
:message
end
end
# The type of file.
#
# :file
# :directory
# :symlink
# :device
# :special
#
# @return [Symbol]
def file_type
case raw_file_type
when 'f'
:file
when 'd'
:directory
when 'L'
:symlink
when 'D'
:device
when 'S'
:special
end
end
private
def message
@data[1..10].strip
end
def raw_update_type
@data[0,1]
end
def raw_file_type
@data[1,1]
end
def attribute_prop(index)
case @data[index,1]
when '.'
:no_change
when ' '
:identical
when '+'
:new
when '?'
:unknown
else
:changed
end
end
end
end
|
