mirror of
https://github.com/keanuplayz/dotfiles.git
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134 lines
3.9 KiB
Bash
134 lines
3.9 KiB
Bash
#!/usr/bin/env zsh
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# Escapes `%` in all arguments by replacing it with `%%`. Escaping is needed so
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# that untrusted input (e.g. git branch names) doesn't affect prompt rendering.
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prompt_escape() {
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print -n "${@//\%/%%}"
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}
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prompt_preexec_hook() {
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# record command start time
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# $EPOCHREALTIME returns a float representing system time in seconds (see
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# docs for zsh/datetime module) and is much faster than `date +%s.%N` because
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# it doesn't involve starting a process
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typeset -gF _PROMPT_EXEC_START_TIME="$EPOCHREALTIME"
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}
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prompt_precmd_hook() {
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if [[ -v _PROMPT_EXEC_START_TIME ]]; then
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local -F duration="$((EPOCHREALTIME - _PROMPT_EXEC_START_TIME))"
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unset _PROMPT_EXEC_START_TIME
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if (( duration > 1 )); then
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local -i t="$duration" d h m s
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typeset -g _PROMPT_EXEC_TIME=""
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d="$((t/60/60/24))"
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h="$((t/60/60%24))"
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m="$((t/60%60))"
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s="$((t%60))"
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(( d > 0 )) && _PROMPT_EXEC_TIME+="${d}d"
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(( h > 0 )) && _PROMPT_EXEC_TIME+="${h}h"
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(( m > 0 )) && _PROMPT_EXEC_TIME+="${m}m"
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_PROMPT_EXEC_TIME+="${s}s"
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else
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unset _PROMPT_EXEC_TIME
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fi
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fi
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}
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prompt_vcs_info() {
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if [[ "$(command git rev-parse --is-inside-work-tree)" != true ]]; then
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return
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fi
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local branch="(no branches)" line
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command git branch | while IFS= read -r line; do
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# find a line which starts with `* `, it contains the current branch name
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if [[ "$line" == "* "* ]]; then
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# remove the `* ` prefix
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branch="${line#\* }"
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break
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fi
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done
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print -n ' %F{blue}git:%F{magenta}'"$(prompt_escape "$branch")"'%f'
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}
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# configure prompt expansion
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# nopromptbang
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# `!` should not be treated specially, use `%!` instead.
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# promptcr and promptsp
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# print a character (`%` for normal users, `#` for root) and a newline in
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# order to preserve output that may be covered by the prompt. See
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# zshoptions(1) for more details.
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# promptpercent
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# enable normal prompt expansion sequences which begin with a `%`.
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# promptsubst
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# enable parameter/command/arithmetic expansion/substitution in the prompt.
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setopt no_prompt_bang prompt_cr prompt_sp prompt_percent prompt_subst
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zmodload zsh/datetime
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autoload -Uz add-zsh-hook
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add-zsh-hook preexec prompt_preexec_hook
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add-zsh-hook precmd prompt_precmd_hook
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# Construct the prompt. See EXPANSION OF PROMPT SEQUENCES in zshmisc(1) for
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# the list and descriptions of the expansion sequences.
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# Start the prompt with gray (ANSI color 8 is "bright black" or "gray")
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# box drawing characters, also enable bold font for the rest of it. This
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# makes the prompt easily distinguishable from command output.
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PROMPT='%F{8}┌─%f%B'
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# username
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PROMPT+='%F{%(!.red.yellow)}%n%f'
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# hostname
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PROMPT+=' at %F{'
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if [[ -v SSH_CONNECTION ]]; then
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PROMPT+='blue'
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else
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PROMPT+='green'
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fi
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PROMPT+='}%m%f'
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# working directory
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PROMPT+=' in %F{cyan}%~%f'
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# VCS info
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PROMPT+='$(prompt_vcs_info 2>/dev/null)'
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# Python's virtualenv
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PROMPT+='${VIRTUAL_ENV:+" %F{blue}venv:%F{magenta}${VIRTUAL_ENV:t}%f"}'
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VIRTUAL_ENV_DISABLE_PROMPT=true
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# pyenv
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PROMPT+='${PYENV_VERSION:+" %F{blue}pyenv:%F{magenta}${PYENV_VERSION:t}%f"}'
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PYENV_VIRTUAL_ENV_DISABLE_PROMPT=true
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PROMPT+=' '
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# command execution time
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PROMPT+='${_PROMPT_EXEC_TIME:+" %F{yellow}$(prompt_escape "$_PROMPT_EXEC_TIME")%f"}'
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# exit code of the previous command
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PROMPT+='%(?.. %F{red}EXIT:%?%f)'
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# number of currently running background jobs
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PROMPT+='%1(j. %F{blue}JOBS:%j%f.)'
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# A while ago I decided to start using a multiline prompt because:
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# a) all commands I type are visually aligned
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# b) I can type pretty long commands without text wrapping in small terminal
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# windows (e.g. in Termux on my phone)
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PROMPT+=$'\n'
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# see prompt beginning
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PROMPT+='%b%F{8}└─%f'
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# the last character
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PROMPT+='%F{%(?.green.red)}%(!.#.\$)%f '
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# PROMPT2 is used when you type an unfinished command. Spaces are needed for
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# alignment with normal PROMPT.
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PROMPT2=' %_> '
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