Returns the first advertised TupleSpace
.
Override to provide details of the arguments a command takes. It should return a left-justified string, one argument per line.
For example:
def usage "#{program_name} FILE [FILE ...]" end def arguments "FILE name of file to find" end
Create on demand parser.
Wraps text
to width
True if the backtrace option has been specified, or debug is on.
Parse obj
, returning an [op, version]
pair. obj
can be a String or a Gem::Version
.
If obj
is a String, it can be either a full requirement specification, like ">= 1.2"
, or a simple version number, like "1.2"
.
parse("> 1.0") # => [">", Gem::Version.new("1.0")] parse("1.0") # => ["=", Gem::Version.new("1.0")] parse(Gem::Version.new("1.0")) # => ["=, Gem::Version.new("1.0")]
True if the version
string matches RubyGems’ requirements.
Removes all sources from the SourceList
.
A short summary of this gem’s description.
Recursively walk dependencies of this spec, executing the block
for each hop.
teardown
restores the process to its original state and removes the tempdir unless the KEEP_FILES
environment variable was set.
Prints a formatted backtrace to the errors stream if backtraces are enabled.
Display a statement.
Executes a block as self
Example:
sh.transact { system("ls", "-l") | head > STDOUT }