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[bash] show last exit code in prompt if non-zero

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This commit is contained in:
Fernando Schauenburg 2019-02-16 02:27:40 +01:00
parent 2fcb65b88b
commit 5c11d640af
1 changed files with 22 additions and 3 deletions
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25
bash/.bashrc
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@ -159,14 +159,16 @@ bashrc_customize_terminal_colors() {
bashrc_send_term_osc "$(printf $format_string $f)$base3_rgb" bashrc_send_term_osc "$(printf $format_string $f)$base3_rgb"
} }
bashrc_customize_prompt() { bashrc_set_prompt() {
local exit_code=$?
local level=$SHLVL local level=$SHLVL
if [[ -n "$TMUX" ]]; then if [[ -n "$TMUX" ]]; then
level=$(($SHLVL - 2)) level=$(($SHLVL - 2))
fi fi
local color="$cyan"
local prompt=$(printf '\$%.0s' $(seq 1 $level)) local prompt=$(printf '\$%.0s' $(seq 1 $level))
local color="$cyan"
if [ $EUID -eq 0 ]; then if [ $EUID -eq 0 ]; then
# root user # root user
prompt=$(printf '#%.0s' $(seq 1 $level)) prompt=$(printf '#%.0s' $(seq 1 $level))
@ -176,7 +178,24 @@ bashrc_customize_prompt() {
color="$yellow" color="$yellow"
fi fi
export PS1="[\[\e[${color}m\]\u@\h \[\e[${blue}m\]\w\[\e[0m\]]\n$prompt " local user_host_color="\[\e[${color}m\]"
local pwd_color="\[\e[${blue}m\]"
local default_color="\[\e[0m\]"
local exit_code_color="\[\e[${magenta}m\]"
PS1="[" # [
PS1+="$user_host_color\u@\h " # user @ host
PS1+="$pwd_color\w" # pwd
if [[ $exit_code != 0 ]]; then
PS1+=" $exit_code_color$exit_code" # last exit code if non-zero
fi
PS1+="$default_color" # back to default color
PS1+="]" # ]
PS1+="\n$prompt " # prompt on next line
}
bashrc_customize_prompt() {
export PROMPT_COMMAND="bashrc_set_prompt"
export PS2=". " export PS2=". "
} }