Comments on: Adding some VCS information in bash prompt http://glandium.org/blog/?p=170 glandium.org Sun, 05 Sep 2010 12:27:46 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: Yaroslav Halchenko http://glandium.org/blog/?p=170&cpage=1#comment-9280 Yaroslav Halchenko Wed, 24 Oct 2007 16:08:04 +0000 http://web.glandium.org/blog/?p=170#comment-9280 Is your .bashrc_vcs (how I would name it before sourcing from .bash_profile) available entirely in 1 file somewhere on the web? or may be even better -- from some vcs? Is your .bashrc_vcs (how I would name it before sourcing from .bash_profile) available entirely in 1 file somewhere on the web? or may be even better — from some vcs?

]]> By: Ben Hutchings http://glandium.org/blog/?p=170&cpage=1#comment-9267 Ben Hutchings Sun, 14 Oct 2007 13:39:27 +0000 http://web.glandium.org/blog/?p=170#comment-9267 bash miscalculates the length of a prompt if it includes non-printing escape sequences, and then makes a mess of wrapping input lines. You have to put \[ and \] around those sequences. I ended up with: __vcs_dir() { ... if [ -n "$vcs" ]; then __vcs_prefix="($vcs)" __vcs_base_dir="${base_dir/$HOME/~}" __vcs_ref="[$ref]" __vcs_sub_dir="${sub_dir}" else __vcs_prefix='' __vcs_base_dir="${PWD/$HOME/~}" __vcs_ref='' __vcs_sub_dir='' fi } PROMPT_COMMAND=__vcs_dir PS1='${debian_chroot:+($debian_chroot)}\u@\h:$__vcs_prefix\[${_bold}\]${__vcs_base_dir}\[${_normal}\]${__vcs_ref}\[${_bold}\]${__vcs_sub_dir}\[${_normal}\]\$ bash miscalculates the length of a prompt if it includes non-printing escape sequences, and then makes a mess of wrapping input lines. You have to put \[ and \] around those sequences. I ended up with:

__vcs_dir() {
…
if [ -n "$vcs" ]; then
__vcs_prefix=”($vcs)”
__vcs_base_dir=”${base_dir/$HOME/~}”
__vcs_ref=”[$ref]”
__vcs_sub_dir=”${sub_dir}”
else
__vcs_prefix=”
__vcs_base_dir=”${PWD/$HOME/~}”
__vcs_ref=”
__vcs_sub_dir=”
fi
}

PROMPT_COMMAND=__vcs_dir
PS1=’${debian_chroot:+($debian_chroot)}\u@\h:$__vcs_prefix\[${_bold}\]${__vcs_base_dir}\[${_normal}\]${__vcs_ref}\[${_bold}\]${__vcs_sub_dir}\[${_normal}\]\$

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