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bash: emulate zsh 'colors' behaviour (+compat 3.x)

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This commit is contained in:
Loic Nageleisen 2014-03-03 18:20:17 +01:00
parent c29d55e131
commit ca5b9f0754
5 changed files with 147 additions and 92 deletions
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47
bash/prompt_segments
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@ -5,10 +5,10 @@ SEGMENT_DEFAULT_FG='default'
CURRENT_BG='NONE'
lprompt_segment() {
local bg fg fake_bg
local real_bg real_fg fake_bg
[[ -n $1 ]] && bg="$1" || bg='default'
[[ -n $2 ]] && fg="$2" || fg='default'
[[ -n $1 ]] && real_bg="$1" || real_bg='default'
[[ -n $2 ]] && real_fg="$2" || real_fg='default'
if [[ $CURRENT_BG == 'default' ]]; then
fake_bg=$SEGMENT_DEFAULT_BG
@ -16,16 +16,18 @@ lprompt_segment() {
fake_bg=$CURRENT_BG
fi
# evaluate color vars
local color_vars="fg fake_bg"
local bg_color_vars="bg"
source "$DOTFILES_BASH_DIR/ansi_colors"
# resolve colors
ansi_sgr_index "bg-$real_bg"
real_bg="${bg[$?]}"
ansi_sgr_index $fake_bg
fake_bg="${fg[$?]}"
ansi_sgr_index $real_fg
real_fg="${fg[$?]}"
if [[ $CURRENT_BG != 'NONE' && $1 != $CURRENT_BG ]]; then
echo -n " \[$bg$fake_bg\]$SEGMENT_SEPARATOR\[$fg\] "
echo -n " \[$real_bg$fake_bg\]$SEGMENT_SEPARATOR\[$real_fg\] "
else
echo -n "\[$bg$fg\] "
echo -n "\[$real_bg$real_fg\] "
fi
CURRENT_BG=$1
@ -36,28 +38,31 @@ lprompt_segment() {
# End the prompt, closing any open segments
prompt_end() {
local $bg;
local $fg;
local $real_bg;
local $real_fg;
local $fake_bg;
bg="default"
fg="default"
real_bg="default"
real_fg="default"
if [[ -n $CURRENT_BG ]]; then
fake_bg=$CURRENT_BG
fi
# evaluate color vars
local color_vars="fg fake_bg"
local bg_color_vars="bg"
source "$DOTFILES_BASH_DIR/ansi_colors"
# resolve colors
ansi_sgr_index "bg-$real_bg"
real_bg="${bg[$?]}"
ansi_sgr_index $fake_bg
fake_bg="${fg[$?]}"
ansi_sgr_index $real_fg
real_fg="${fg[$?]}"
if [[ -n $CURRENT_BG ]]; then
echo -n " \[$bg$fake_bg\]$SEGMENT_SEPARATOR"
echo -n " \[$real_bg$fake_bg\]$SEGMENT_SEPARATOR"
else
echo -n "\[$bg\]"
echo -n "\[$real_bg\]"
fi
echo -n "\[$fg\]"
echo -n "\[$real_fg\]"
CURRENT_BG=''
}