Formats the errors in a human-readable way and return them as a string.
Returns true if the given node is a command node.
This method is called when strong warning is produced by the parser. fmt and args is printf style.
Verifies if the arguments match with this key event. Nil arguments are ignored, but at least one must be passed as non-nil. To verify that no control keys were pressed, pass an empty array: ‘control_keys: []`.
True if the requested gem has already been installed.
A string explanation of the conflict.
Does this dependency request match spec?
NOTE: match? only matches prerelease versions when dependency is a prerelease dependency.
Installing a git gem only involves building the extensions and generating the executables.
This is a null install as this specification is already installed. options are ignored.
This is a null install as a locked specification is considered installed. options are ignored.
Installs this specification using the Gem::Installer options. The install method yields a Gem::Installer instance, which indicates the gem will be installed, or nil, which indicates the gem is already installed.
After installation spec is updated to point to the just-installed specification.