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Bash: more prompt tweaks.

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This commit is contained in:
Artem Sapegin 2013-02-21 22:39:46 +04:00
parent e608873eb7
commit 02f907af92
1 changed files with 24 additions and 14 deletions
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38
includes/bash_prompt.bash
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@ -1,6 +1,12 @@
#
# The most awesome Bash prompt
# Author: Artem Sapegin, sapegin.me
#
# Inspired by: https://github.com/dreadatour/dotfiles/blob/master/.bash_profile & https://github.com/sindresorhus/pure
#
# Add to ~/.bashlocal user name you don’t want to see in the prompt: `local_username="admin"`
#
# User color
case $(id -u) in
@ -10,20 +16,14 @@ esac
# Prompt symbol
prompt_symbol="❯"
prompt_clean_symbol="☀ "
prompt_dirty_symbol="☂ "
function prompt_command() {
# Local or SSH session?
local remote=
[ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ] && remote=1
# Working directory name
local dir_name="$PWD"
if [ "$HOME" == "$PWD" ]; then
dir_name="~"
elif [ "$HOME" == "${PWD:0:${#HOME}}" ]; then
dir_name="~${PWD:${#HOME}}"
fi
# Git branch name and work tree status (only when we are inside Git working tree)
local git_prompt=
if [[ "true" = "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
@ -32,11 +32,15 @@ function prompt_command() {
branch="${branch##refs/heads/}"
# Working tree status (red when dirty)
local branch_color="$GREEN"
git diff --no-ext-diff --quiet --exit-code --ignore-submodules || branch_color="$RED"
local dirty=
git diff --no-ext-diff --quiet --exit-code --ignore-submodules || dirty=1
# Format Git info
git_prompt=" #$branch_color$branch$NOCOLOR"
if [ -n "$dirty" ]; then
git_prompt=" $RED$prompt_dirty_symbol$branch$NOCOLOR"
else
git_prompt=" $GREEN$prompt_clean_symbol$branch$NOCOLOR"
fi
fi
# Only show username if not default
@ -52,11 +56,17 @@ function prompt_command() {
[ -n "$user_prompt" ] || [ -n "$host_prompt" ] && login_delimiter=":"
# Format prompt
first_line="$user_prompt$host_prompt$login_delimiter$WHITE\w$NOCOLOR$git_prompt"
# Text (commands) inside \[...\] does not impact line length which fixes stange bug when looking through the history
PS1="\n$user_prompt$host_prompt$login_delimiter$WHITE$dir_name$NOCOLOR$git_prompt\n\[$CYAN\]$prompt_symbol\[$NOCOLOR\] "
# $? is a status of last command, should be processed every time prompt prints
second_line="\`if [ \$? = 0 ]; then echo \[\$CYAN\]; else echo \[\$RED\]; fi\`\$prompt_symbol\[\$NOCOLOR\] "
PS1="\n$first_line\n$second_line"
# Multiline command
PS2="\[$CYAN\]$prompt_symbol\[$NOCOLOR\] "
# Terminal title
local title="$(basename $dir_name)"
local title="$(basename $PWD)"
[ -n "$remote" ] && title="$title \xE2\x80\x94 $HOSTNAME"
echo -ne "\033]0;$title"; echo -ne "\007"
}