Bash PS1 settings - how to get the current folder back as the terminal title

Question

I recently added these lines to my ~/.bashrc file to show the current branch if i'm in a git working folder, and it works nicely for that. However, what i've lost is that the current folder name used to be shown in the tab for the terminal i have open, and now it isn't: it always just says 'Terminal'. Can i get that back and still keep the git stuff? Here's the lines in question - it's the second one that's the issue, as commenting out just the second line fixes the problem.

source /etc/bash_completion.d/git
PS1='\h:\w$(__git_ps1 "\[\e[32m\][%s]\[\e[0m\]")$ '

I've been looking at explanations of the options for PS1 but can't see anything about the terminal window's title in there. Can anyone advise? thanks, max

EDIT

I actually manipulate PS1 already in order to have a terminal with the format

<rvm version and gemset> <computer name> <current folder> <git branch>

, with each part in a different color, but i've never actually seen the docs before, so thanks for the link to that. My current PS1 setting is

\[\033[0;31m\]$(__my_rvm_ruby_version)\[\033[0;33m\]\h\[\033[0;37m\]:\[\033[1;33m\]\W\[\033[1;32m\]$(__git_branch)\[\033[1;32m\]$(__git_dirty) \[\033[0;37m\]$

Presumably i can do something like

export "<something> $PS1"

to set my terminal tab name without losing my existing settings. I've been poking around with this though and not managed to do it.

EDIT - figured this out with the help of some of the answers below - thanks all! I wrapped it up in a shell script

#!/usr/bin/env bash
#renames the current terminal tab via the PS1 env var
source ~/.bashrc
export PS1="$PS1""\[\e]0;$1 \a\]"

it's called "renametab" so i can now call it with eg

source renametab mytabname

"source" is needed to export the changes into the current shell: if i just do renametab mytabname the export just goes into a subshell which is killed when the script finishes.

Thanks again all, for the help!

Answer 1

You can try:

PS1="$PS1"'\h:\w$(__git_ps1 "\[\e[32m\][%s]\[\e[0m\]")$ '

But it would help to know what PS1 is being set to earlier in ~/.bashrc or in /etc/bash.bashrc.