Add a VCS informative prompt to `arc shell`
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Authored By

	dereckson
	Dec 29 2015, 19:22

Description

Install Steve Losh zsh prompt or nojhan Liquidprompt to offer a shell with visual clues in the prompt.

The Cloud9 containers are especially nice and minimalist in this aspect.

Information needed

Done for Git. Still to do for Mercurial and SVN.

rDARC nasqueron/arcanist Docker image
	D135	rDARCcee4abf1764a Git prompt for Bash

		Status	Subtype	Assigned	Task
		Open		None	T635 Add a VCS informative prompt to `arc shell`
		Open		None	T634 Run Arcanist container as an unprivileged user

Liquidprompt doesn't seem to print correctly Git information as root.

It requires to set the following prompt:

To add to .bashrc

PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ '

Options to test

Some options indicate relevant information before arc diff or arc land:

To add to .bashrc

GIT_PS1_SHOWDIRTYSTATE=1
GIT_PS1_SHOWUNTRACKEDFILES=1
GIT_PS1_SHOWUPSTREAM="auto"
GIT_PS1_SHOWCOLORHINTS=1

zsh + starship looks a good solution too, but it's not packaged for Debian.

rOPS provisions starship through a package for FreeBSD and snap for Linux.