Re: git-PS1 bash prompt setting

[Nicolas Vilz <niv@iaglans.de>]

On Fri, Nov 17, 2006 at 04:20:51AM -0500, Sean wrote:
> On Fri, 17 Nov 2006 09:38:02 +0100
> Nicolas Vilz <niv@iaglans.de> wrote:
> 
> > Just a note:
> > 
> > this doesn't work with bash 3.2. I think they altered the way of
> > trimming variables in this version.
> > 
> > on systems with bash 3.2 installed, i get
> > [master!linus-2.6/vm/vm]$ 
> > with the example above.
> > 
> > on systems with bash 3.1, it works properly.
> 
> Sorry bout that, I knew it was a bit fragile.  Was rather
> comical reading Junio's recent message about all the things not
> to do if you want portable shell code and noticing my 6 line script
> did 90% of them ;o)  Strange though, I downloaded Bash 3.2
> and gave it a try and didn't see the problem here..
> 
> Wanna try this small change, to see if it helps? :
> 
> #!/bin/bash
> BR=$(git symbolic-ref HEAD 2>/dev/null) || { echo "$@" ; exit ; }
> BR=${BR#refs/heads/}
> REL=$(git rev-parse --show-prefix)
> REL="${REL%\/}"
> LOC="${PWD%/$REL}"
> echo "[$BR!${LOC/*\/}${REL:+/$REL}]$ "
> 

That one did the job... funny, removing these two // did the job, for
both versions, 
GNU bash, version 3.1.17(1)-release (powerpc-unknown-linux-gnu) and
GNU bash, version 3.2.5(1)-release (x86_64-pc-linux-gnu).

Thx for fixing that script. It really helps me.

Sincerly
Nicolas