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# David Wood's .prompt.sh Configuration
# dotfiles: https://github.com/davidtwco/dotfiles
# website: https://davidtw.co
# =================================
# User Color
case $(id -u) in
0) user_color="$RED" ;; # root
*) user_color="$GREEN" ;;
esac
# Username
local_username="david"
# Symbols
prompt_symbol=""
prompt_clean_symbol=""
prompt_dirty_symbol=""
prompt_venv_symbol=""
function prompt_command() {
# Local or SSH session?
local remote=
[ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ] && remote=1
# Git branch name and work tree status (only when we are inside Git working tree)
local git_prompt=
if [[ "true" = "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
# Branch name
local branch="$(git symbolic-ref HEAD 2>/dev/null)"
branch="${branch##refs/heads/}"
# Working tree status (red when dirty)
local dirty=
# Modified files
git diff --no-ext-diff --quiet --exit-code --ignore-submodules 2>/dev/null || dirty=1
# Untracked files
[ -z "$dirty" ] && test -n "$(git status --porcelain)" && dirty=1
# Format Git info
if [ -n "$dirty" ]; then
git_prompt=" $RED$prompt_dirty_symbol$branch$NOCOLOR"
else
git_prompt=" $GREEN$prompt_clean_symbol$branch$NOCOLOR"
fi
fi
# Virtualenv
local venv_prompt=
if [ -n "$VIRTUAL_ENV" ]; then
venv_prompt=" $BLUE$prompt_venv_symbol$(basename $VIRTUAL_ENV)$NOCOLOR"
fi
# Only show username if not default
local user_prompt=
[ "$USER" != "$local_username" ] && user_prompt="$user_color$USER$NOCOLOR"
# Add the '@' only if there is a username and a host.
local host_delimiter=
[ "$USER" != "$local_username" ] && [ -n "$remote" ] && host_delimiter="@"
# Show hostname inside SSH session
local host_prompt=
[ -n "$remote" ] && host_prompt="$YELLOW$HOSTNAME$NOCOLOR"
# Show delimiter if user or host visible
local login_delimiter=
[ -n "$user_prompt" ] || [ -n "$host_prompt" ] && login_delimiter=" "
# Format prompt
first_line="$user_prompt$host_delimiter$host_prompt$login_delimiter$WHITE\w$NOCOLOR$git_prompt$venv_prompt"
# Text (commands) inside \[...\] does not impact line length calculation which fixes stange bug when looking through the history
# $? 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\[\$NOCOLOR\] "
# Bash outputs the vi mode string at the start of the final line.
# Therefore, if enabled, we will have two prompt strings, one that displays
# the usual success/error of previous command, and one that indicates the
# vi mode.
PS1="\n$first_line\n$second_line"
PS2="\[$CYAN\]$prompt_symbol\[$NOCOLOR\] "
# Terminal title
local title="$(basename "$PWD")"
[ -n "$remote" ] && title="$title \xE2\x80\x94 $HOSTNAME"
echo -ne "\033]0;$title"; echo -ne "\007"
}
# Show prompt only if Git is installed.
command -v git >/dev/null 2>&1 && PROMPT_COMMAND=prompt_command
# vim:ft=sh:foldmethod=marker:foldlevel=0