* Don't check for direct use of commands in PORTNAME [1]
* Split on first '@' to avoid breaking directory detection [2]
* Remove checks for deprecated INSTALLS_ICONS [3]
PR: 229627 [1]
260246 [2]
261556 [3]
Submitted by: gerald [1]
Derek Schrock <dereks@lifeofadishwasher.com> [2]
c33aae9e6a