Common trait for a reason why a setup could not be detected.
Common trait for a reason why a setup could not be installed.
The default setup: default platform, detect existing setup, install if not existing.
Try to find an existing setup in the designated path of the platform.
Download a copy of Isabelle from the Internet and extract it in the designated path according to the platform.
Location of the success marker file.
Location of the success marker file.
Detection of setups works by looking for the success marker file in the path of the setup. If the root path of the setup is present, but not the file, the setup is considered corrupted, for example because of a partial download.
Detecting and creating setups.
This object assumes that there is a base path in which all Isabelle setups reside. Given a version, the base path can either be searched for an existing setup, or an archive can be downloaded from the Internet and extracted into the path.