Sha256: e6ac4c24762d4991ef370f799f084b9c7e4e655aaaf08affbf3e306e3f4c96d0
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Size: 1.25 KB
Versions: 13
Compression:
Stored size: 1.25 KB
Contents
module Backup
module Compressor
class Custom < Base
##
# Specify the system command to invoke a compressor,
# including any command-line arguments.
# e.g. @compressor.command = 'pbzip2 -p2 -4'
#
# The data to be compressed will be piped to the command's STDIN,
# and it should write the compressed data to STDOUT.
# i.e. `cat file.tar | %command% > file.tar.%extension%`
attr_accessor :command
##
# File extension to append to the compressed file's filename.
# e.g. @compressor.extension = '.bz2'
attr_accessor :extension
##
# Initializes a new custom compressor.
def initialize(&block)
load_defaults!
instance_eval(&block) if block_given?
@cmd = set_cmd
@ext = set_ext
end
private
##
# Return the command line using the full path.
# Ensures the command exists and is executable.
def set_cmd
parts = @command.to_s.split(" ")
parts[0] = utility(parts[0])
parts.join(" ")
end
##
# Return the extension given without whitespace.
# If extension was not set, return an empty string
def set_ext
@extension.to_s.strip
end
end
end
end
Version data entries
13 entries across 13 versions & 4 rubygems