for cleanup old bundler files
Adds name with permissions mode to the tar, yielding io for writing the file. The digest_algorithm is written to a read-only name.sum file following the given file contents containing the digest name and hexdigest separated by a tab.
The created digest object is returned.
Pins the gem name to the given source. Adding a gem with the same name from a different source will raise an exception.
Checks if there are duplicate links with the same type and hreflang attributes that have an alternate (or empty) rel attribute
Raises a TooMuchTagError if there are duplicates found
Returns every spec that matches name and optional requirements.
Enumerates the outdated local gems yielding the local specification and the latest remote version.
This method may take some time to return as it must check each local gem against the server’s index.