This forked version provides a simpler codebase, the exit code number when not 0, some fixes and color changed.
You can install shellder via your favorite plugin manager, for example, with fisher:
fisher install TheEdoRan/shellderYou'll need a powerline patched font. If you don't have one, download one or patch some fonts on you own.
shellder is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0). See COPYRIGHT for details.
The author of the original theme is simnalamburt. You can find the theme here.