Adds a new IPluginValidator that checks to make sure the plugin installation folder does not yet exist. This new validator is passed only to the plugins installer.
Also fixes logic in the obsolete plugin remover to
Only attempt to delete each directory once (before, it was calling DeleteDirectory multiple times due to a multiple enumeration of an IEnumerable containing the task)
Prevent directories from being only partially removed if another process is using one or more of its files
Adds a new
IPluginValidatorthat checks to make sure the plugin installation folder does not yet exist. This new validator is passed only to the plugins installer.Also fixes logic in the obsolete plugin remover to
DeleteDirectorymultiple times due to a multiple enumeration of anIEnumerablecontaining the task)