The project directory. If NULL, then the active project will
be used. If no project is currently active, then the current working
directory is used instead.
...
Optional arguments; reserved for future expansion.
confirm
Boolean; prompt the user before taking any action?
Value
The project directory, invisibly. Note that this function is normally
called for its side effects.
Details
The following actions will be taken:
Stale lockfiles (00LOCK-) will be removed.
Leftover temporary directories in the project library will be removed.
Non-system packages installed in the system library will be removed.
Unused packages within the project will be removed.
Packages within the cache that are no longer used will be removed.