Some simple utilities for dealing with xcode projects
icongen takes a 1024x1024 PNG app icon, and generates an icon set containing every required resolution.
Installation:
go install github.com/draaglom/xctools/cmd/icongen
Usage of icongen:
icongen source.png /path/to/project/
-target="all": The icon sizes to generate: options are 'iphone', 'ipad', 'mac', 'ios', 'all'; defaults to 'all'.