Sha256: f60362ef53d76db43d236c666fb8037a22a5ef26aae7a732b694b11f6100362b
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Size: 1.3 KB
Versions: 5
Compression:
Stored size: 1.3 KB
Contents
require 'fileutils'
class Rake::Builder
class Installer
def install(source_pathname, destination_path)
ensure_file_exists source_pathname
raise "The path '#{destination_path}' does not exist" unless File.exist?(destination_path)
raise "'#{destination_path}' is not a directory" unless File.directory?(destination_path)
ensure_directory_writable destination_path, "Cannot copy files to the directory '#{destination_path}'"
filename = File.basename(source_pathname)
destination_pathname = File.join(destination_path, filename)
if File.file?(destination_pathname) and not File.writable?(destination_pathname)
raise "The file '#{destination_pathname}' cannot be overwritten"
end
FileUtils.copy_file source_pathname, destination_path
end
def uninstall(installed_pathname)
return unless File.exist?(installed_pathname)
ensure_directory_writable File.dirname(installed_pathname)
File.unlink installed_pathname
end
private
def ensure_file_exists(pathname)
raise "File '#{pathname}' does not exist" unless File.exist?(pathname)
end
def ensure_directory_writable(path, message = nil)
message ||= "The directory '#{path}' is not writable"
raise message unless File.writable?(path)
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems