Check state file is writable. Creates empty file if not present to ensure we can write to it.
True if the gems in the system satisfy dependency.
Creates windows .bat files for easy running of commands
Creates the scripts to run the applications in the gem.
Creates the symlinks to run the applications in the gem. Moves the symlink if the gem being installed has a newer version.
Performs various checks before installing the gem such as the install repository is writable and its directories exist, required Ruby and rubygems versions are met and that dependencies are installed.
Version and dependency checks are skipped if this install is forced.
The dependent check will be skipped if the install is ignoring dependencies.
Installs from the gem dependencies files in the :gemdeps option in options, yielding to the block as in install.
If :without_groups is given in the options, those groups in the gem dependencies file are not used. See Gem::Installer for other options.
Return currently unresolved specs that contain the file matching path.
Specification attributes that must be non-nil
Keeps track of what lines have been added to blocks and which are not yet visited.
When one element fully encapsulates another we remove the smaller block from the frontier. This prevents double expansions and all-around weird behavior. However this guarantee is quite expensive to maintain
Keywords need ends and ends need keywords
If we have more keywords, there’s a missing ‘end` if we have more `end`-s, there’s a missing keyword
Returns the source encoding name as a string.