76 lines
2.3 KiB
Bash
76 lines
2.3 KiB
Bash
#
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# The most awesome Bash prompt
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# Author: Artem Sapegin, sapegin.me
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#
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# Inspired by: https://github.com/dreadatour/dotfiles/blob/master/.bash_profile & https://github.com/sindresorhus/pure
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#
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# Add to ~/.bashlocal user name you don’t want to see in the prompt: `local_username="admin"`
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#
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# User color
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case $(id -u) in
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0) user_color="$RED" ;; # root
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*) user_color="$GREEN" ;;
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esac
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# Prompt symbol
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prompt_symbol="❯"
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prompt_clean_symbol="☀ "
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prompt_dirty_symbol="☂ "
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function prompt_command() {
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# Local or SSH session?
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local remote=
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[ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ] && remote=1
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# Git branch name and work tree status (only when we are inside Git working tree)
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local git_prompt=
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if [[ "true" = "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
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# Branch name
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local branch="$(git symbolic-ref HEAD 2>/dev/null)"
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branch="${branch##refs/heads/}"
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# Working tree status (red when dirty)
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local dirty=
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git diff --no-ext-diff --quiet --exit-code --ignore-submodules || dirty=1
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# Format Git info
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if [ -n "$dirty" ]; then
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git_prompt=" $RED$prompt_dirty_symbol$branch$NOCOLOR"
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else
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git_prompt=" $GREEN$prompt_clean_symbol$branch$NOCOLOR"
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fi
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fi
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# Only show username if not default
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local user_prompt=
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[ "$USER" != "$local_username" ] && user_prompt="$user_color$USER$NOCOLOR"
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# Show hostname inside SSH session
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local host_prompt=
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[ -n "$remote" ] && host_prompt="@$YELLOW$HOSTNAME$NOCOLOR"
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# Show delimiter if user or host visible
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local login_delimiter=
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[ -n "$user_prompt" ] || [ -n "$host_prompt" ] && login_delimiter=":"
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# Format prompt
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first_line="$user_prompt$host_prompt$login_delimiter$WHITE\w$NOCOLOR$git_prompt"
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# Text (commands) inside \[...\] does not impact line length which fixes stange bug when looking through the history
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# $? is a status of last command, should be processed every time prompt prints
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second_line="\`if [ \$? = 0 ]; then echo \[\$CYAN\]; else echo \[\$RED\]; fi\`\$prompt_symbol\[\$NOCOLOR\] "
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PS1="\n$first_line\n$second_line"
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# Multiline command
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PS2="\[$CYAN\]$prompt_symbol\[$NOCOLOR\] "
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# Terminal title
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local title="$(basename $PWD)"
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[ -n "$remote" ] && title="$title \xE2\x80\x94 $HOSTNAME"
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echo -ne "\033]0;$title"; echo -ne "\007"
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}
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# Show awesome prompt only if Git is istalled
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command -v git >/dev/null 2>&1 && PROMPT_COMMAND=prompt_command
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