Check if gem name version version is installed.
For full_name, verifies the certificate chain is valid, the digests match the signatures signatures created by the signer depending on the policy settings.
If key is given it is used to validate the signing certificate.
Writes data to the underlying IO and updates the digests
Raises an exception if a security policy that verifies data is active. Old format gems cannot be verified as signed.
Writes the lock file alongside the gem dependencies file
True if the requested gem has already been installed.
Return the Specification that listed the 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.
This is a null install as this gem was unpacked into a directory. options are ignored.
Make sure the trust directory exists. If it does exist, make sure it’s actually a directory. If not, then create it with the appropriate permissions.
Returns all the FormData as an Array
Registers a new timeout handler
Return the length of the hash value in bytes.
Get the underlying pointer for ruby object val and return it as a Fiddle::Pointer object.