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Diffstat (limited to 'prompts/prompt_pure_setup')
| -rw-r--r-- | prompts/prompt_pure_setup | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/prompts/prompt_pure_setup b/prompts/prompt_pure_setup new file mode 100644 index 0000000..a313c83 --- /dev/null +++ b/prompts/prompt_pure_setup @@ -0,0 +1,620 @@ +# Pure +# by Sindre Sorhus +# https://github.com/sindresorhus/pure +# MIT License + +# For my own and others sanity +# git: +# %b => current branch +# %a => current action (rebase/merge) +# prompt: +# %F => color dict +# %f => reset color +# %~ => current path +# %* => time +# %n => username +# %m => shortname host +# %(?..) => prompt conditional - %(condition.true.false) +# terminal codes: +# \e7 => save cursor position +# \e[2A => move cursor 2 lines up +# \e[1G => go to position 1 in terminal +# \e8 => restore cursor position +# \e[K => clears everything after the cursor on the current line +# \e[2K => clear everything on the current line + + +# turns seconds into human readable time +# 165392 => 1d 21h 56m 32s +# https://github.com/sindresorhus/pretty-time-zsh +prompt_pure_human_time_to_var() { + local human total_seconds=$1 var=$2 + local days=$(( total_seconds / 60 / 60 / 24 )) + local hours=$(( total_seconds / 60 / 60 % 24 )) + local minutes=$(( total_seconds / 60 % 60 )) + local seconds=$(( total_seconds % 60 )) + (( days > 0 )) && human+="${days}d " + (( hours > 0 )) && human+="${hours}h " + (( minutes > 0 )) && human+="${minutes}m " + human+="${seconds}s" + + # store human readable time in variable as specified by caller + typeset -g "${var}"="${human}" +} + +# stores (into prompt_pure_cmd_exec_time) the exec time of the last command if set threshold was exceeded +prompt_pure_check_cmd_exec_time() { + integer elapsed + (( elapsed = EPOCHSECONDS - ${prompt_pure_cmd_timestamp:-$EPOCHSECONDS} )) + typeset -g prompt_pure_cmd_exec_time= + (( elapsed > ${PURE_CMD_MAX_EXEC_TIME:-5} )) && { + prompt_pure_human_time_to_var $elapsed "prompt_pure_cmd_exec_time" + } +} + +prompt_pure_set_title() { + setopt localoptions noshwordsplit + + # emacs terminal does not support settings the title + (( ${+EMACS} )) && return + + case $TTY in + # Don't set title over serial console. + /dev/ttyS[0-9]*) return;; + esac + + # Show hostname if connected via ssh. + local hostname= + if [[ -n $prompt_pure_state[username] ]]; then + # Expand in-place in case ignore-escape is used. + hostname="${(%):-(%m) }" + fi + + local -a opts + case $1 in + expand-prompt) opts=(-P);; + ignore-escape) opts=(-r);; + esac + + # Set title atomically in one print statement so that it works + # when XTRACE is enabled. + print -n $opts $'\e]0;'${hostname}${2}$'\a' +} + +prompt_pure_preexec() { + if [[ -n $prompt_pure_git_fetch_pattern ]]; then + # detect when git is performing pull/fetch (including git aliases). + local -H MATCH MBEGIN MEND match mbegin mend + if [[ $2 =~ (git|hub)\ (.*\ )?($prompt_pure_git_fetch_pattern)(\ .*)?$ ]]; then + # we must flush the async jobs to cancel our git fetch in order + # to avoid conflicts with the user issued pull / fetch. + async_flush_jobs 'prompt_pure' + fi + fi + + typeset -g prompt_pure_cmd_timestamp=$EPOCHSECONDS + + # shows the current dir and executed command in the title while a process is active + prompt_pure_set_title 'ignore-escape' "$PWD:t: $2" + + # Disallow python virtualenv from updating the prompt, set it to 12 if + # untouched by the user to indicate that Pure modified it. Here we use + # magic number 12, same as in psvar. + export VIRTUAL_ENV_DISABLE_PROMPT=${VIRTUAL_ENV_DISABLE_PROMPT:-12} +} + +prompt_pure_preprompt_render() { + setopt localoptions noshwordsplit + + # Set color for git branch/dirty status, change color if dirty checking has + # been delayed. + local git_color=242 + [[ -n ${prompt_pure_git_last_dirty_check_timestamp+x} ]] && git_color=red + + # Initialize the preprompt array. + local -a preprompt_parts + + # Set the path. + preprompt_parts+=('%F{blue}%~%f') + + # Add git branch and dirty status info. + typeset -gA prompt_pure_vcs_info + if [[ -n $prompt_pure_vcs_info[branch] ]]; then + preprompt_parts+=("%F{$git_color}"'${prompt_pure_vcs_info[branch]}${prompt_pure_git_dirty}%f') + fi + # Git pull/push arrows. + if [[ -n $prompt_pure_git_arrows ]]; then + preprompt_parts+=('%F{cyan}${prompt_pure_git_arrows}%f') + fi + + # Username and machine, if applicable. + [[ -n $prompt_pure_state[username] ]] && preprompt_parts+=('${prompt_pure_state[username]}') + # Execution time. + [[ -n $prompt_pure_cmd_exec_time ]] && preprompt_parts+=('%F{yellow}${prompt_pure_cmd_exec_time}%f') + + local cleaned_ps1=$PROMPT + local -H MATCH MBEGIN MEND + if [[ $PROMPT = *$prompt_newline* ]]; then + # Remove everything from the prompt until the newline. This + # removes the preprompt and only the original PROMPT remains. + cleaned_ps1=${PROMPT##*${prompt_newline}} + fi + unset MATCH MBEGIN MEND + + # Construct the new prompt with a clean preprompt. + local -ah ps1 + ps1=( + ${(j. .)preprompt_parts} # Join parts, space separated. + $prompt_newline # Separate preprompt and prompt. + $cleaned_ps1 + ) + + PROMPT="${(j..)ps1}" + + # Expand the prompt for future comparision. + local expanded_prompt + expanded_prompt="${(S%%)PROMPT}" + + if [[ $1 == precmd ]]; then + # Initial newline, for spaciousness. + print + elif [[ $prompt_pure_last_prompt != $expanded_prompt ]]; then + # Redraw the prompt. + zle && zle .reset-prompt + fi + + typeset -g prompt_pure_last_prompt=$expanded_prompt +} + +prompt_pure_precmd() { + # check exec time and store it in a variable + prompt_pure_check_cmd_exec_time + unset prompt_pure_cmd_timestamp + + # shows the full path in the title + prompt_pure_set_title 'expand-prompt' '%~' + + # preform async git dirty check and fetch + prompt_pure_async_tasks + + # Check if we should display the virtual env, we use a sufficiently high + # index of psvar (12) here to avoid collisions with user defined entries. + psvar[12]= + # When VIRTUAL_ENV_DISABLE_PROMPT is empty, it was unset by the user and + # Pure should take back control. + if [[ -n $VIRTUAL_ENV ]] && [[ -z $VIRTUAL_ENV_DISABLE_PROMPT || $VIRTUAL_ENV_DISABLE_PROMPT = 12 ]]; then + psvar[12]="${VIRTUAL_ENV:t}" + export VIRTUAL_ENV_DISABLE_PROMPT=12 + fi + + # Make sure VIM prompt is reset. + prompt_pure_reset_prompt_symbol + + # print the preprompt + prompt_pure_preprompt_render "precmd" + + if [[ -n $ZSH_THEME ]]; then + print "WARNING: Oh My Zsh themes are enabled (ZSH_THEME='${ZSH_THEME}'). Pure might not be working correctly." + print "For more information, see: https://github.com/sindresorhus/pure#oh-my-zsh" + unset ZSH_THEME # Only show this warning once. + fi +} + +prompt_pure_async_git_aliases() { + setopt localoptions noshwordsplit + local -a gitalias pullalias + + # list all aliases and split on newline. + gitalias=(${(@f)"$(command git config --get-regexp "^alias\.")"}) + for line in $gitalias; do + parts=(${(@)=line}) # split line on spaces + aliasname=${parts[1]#alias.} # grab the name (alias.[name]) + shift parts # remove aliasname + + # check alias for pull or fetch (must be exact match). + if [[ $parts =~ ^(.*\ )?(pull|fetch)(\ .*)?$ ]]; then + pullalias+=($aliasname) + fi + done + + print -- ${(j:|:)pullalias} # join on pipe (for use in regex). +} + +prompt_pure_async_vcs_info() { + setopt localoptions noshwordsplit + + # configure vcs_info inside async task, this frees up vcs_info + # to be used or configured as the user pleases. + zstyle ':vcs_info:*' enable git + zstyle ':vcs_info:*' use-simple true + # only export two msg variables from vcs_info + zstyle ':vcs_info:*' max-exports 2 + # export branch (%b) and git toplevel (%R) + zstyle ':vcs_info:git*' formats '%b' '%R' + zstyle ':vcs_info:git*' actionformats '%b|%a' '%R' + + vcs_info + + local -A info + info[pwd]=$PWD + info[top]=$vcs_info_msg_1_ + info[branch]=$vcs_info_msg_0_ + + print -r - ${(@kvq)info} +} + +# fastest possible way to check if repo is dirty +prompt_pure_async_git_dirty() { + setopt localoptions noshwordsplit + local untracked_dirty=$1 + + if [[ $untracked_dirty = 0 ]]; then + command git diff --no-ext-diff --quiet --exit-code + else + test -z "$(command git status --porcelain --ignore-submodules -unormal)" + fi + + return $? +} + +prompt_pure_async_git_fetch() { + setopt localoptions noshwordsplit + + # set GIT_TERMINAL_PROMPT=0 to disable auth prompting for git fetch (git 2.3+) + export GIT_TERMINAL_PROMPT=0 + # set ssh BachMode to disable all interactive ssh password prompting + export GIT_SSH_COMMAND="${GIT_SSH_COMMAND:-"ssh"} -o BatchMode=yes" + + # Default return code, indicates Git fetch failure. + local fail_code=99 + + # Guard against all forms of password prompts. By setting the shell into + # MONITOR mode we can notice when a child process prompts for user input + # because it will be suspended. Since we are inside an async worker, we + # have no way of transmitting the password and the only option is to + # kill it. If we don't do it this way, the process will corrupt with the + # async worker. + setopt localtraps monitor + + # Make sure local HUP trap is unset to allow for signal propagation when + # the async worker is flushed. + trap - HUP + + trap ' + # Unset trap to prevent infinite loop + trap - CHLD + if [[ $jobstates = suspended* ]]; then + # Set fail code to password prompt and kill the fetch. + fail_code=98 + kill %% + fi + ' CHLD + + command git -c gc.auto=0 fetch >/dev/null & + wait $! || return $fail_code + + unsetopt monitor + + # check arrow status after a successful git fetch + prompt_pure_async_git_arrows +} + +prompt_pure_async_git_arrows() { + setopt localoptions noshwordsplit + command git rev-list --left-right --count HEAD...@'{u}' +} + +prompt_pure_async_tasks() { + setopt localoptions noshwordsplit + + # initialize async worker + ((!${prompt_pure_async_init:-0})) && { + async_start_worker "prompt_pure" -u -n + async_register_callback "prompt_pure" prompt_pure_async_callback + typeset -g prompt_pure_async_init=1 + } + + # Update the current working directory of the async worker. + async_worker_eval "prompt_pure" builtin cd -q $PWD + + typeset -gA prompt_pure_vcs_info + + local -H MATCH MBEGIN MEND + if [[ $PWD != ${prompt_pure_vcs_info[pwd]}* ]]; then + # stop any running async jobs + async_flush_jobs "prompt_pure" + + # reset git preprompt variables, switching working tree + unset prompt_pure_git_dirty + unset prompt_pure_git_last_dirty_check_timestamp + unset prompt_pure_git_arrows + unset prompt_pure_git_fetch_pattern + prompt_pure_vcs_info[branch]= + prompt_pure_vcs_info[top]= + fi + unset MATCH MBEGIN MEND + + async_job "prompt_pure" prompt_pure_async_vcs_info + + # # only perform tasks inside git working tree + [[ -n $prompt_pure_vcs_info[top] ]] || return + + prompt_pure_async_refresh +} + +prompt_pure_async_refresh() { + setopt localoptions noshwordsplit + + if [[ -z $prompt_pure_git_fetch_pattern ]]; then + # we set the pattern here to avoid redoing the pattern check until the + # working three has changed. pull and fetch are always valid patterns. + typeset -g prompt_pure_git_fetch_pattern="pull|fetch" + async_job "prompt_pure" prompt_pure_async_git_aliases + fi + + async_job "prompt_pure" prompt_pure_async_git_arrows + + # do not preform git fetch if it is disabled or in home folder. + if (( ${PURE_GIT_PULL:-1} )) && [[ $prompt_pure_vcs_info[top] != $HOME ]]; then + # tell worker to do a git fetch + async_job "prompt_pure" prompt_pure_async_git_fetch + fi + + # if dirty checking is sufficiently fast, tell worker to check it again, or wait for timeout + integer time_since_last_dirty_check=$(( EPOCHSECONDS - ${prompt_pure_git_last_dirty_check_timestamp:-0} )) + if (( time_since_last_dirty_check > ${PURE_GIT_DELAY_DIRTY_CHECK:-1800} )); then + unset prompt_pure_git_last_dirty_check_timestamp + # check check if there is anything to pull + async_job "prompt_pure" prompt_pure_async_git_dirty ${PURE_GIT_UNTRACKED_DIRTY:-1} + fi +} + +prompt_pure_check_git_arrows() { + setopt localoptions noshwordsplit + local arrows left=${1:-0} right=${2:-0} + + (( right > 0 )) && arrows+=${PURE_GIT_DOWN_ARROW:-⇣} + (( left > 0 )) && arrows+=${PURE_GIT_UP_ARROW:-⇡} + + [[ -n $arrows ]] || return + typeset -g REPLY=$arrows +} + +prompt_pure_async_callback() { + setopt localoptions noshwordsplit + local job=$1 code=$2 output=$3 exec_time=$4 next_pending=$6 + local do_render=0 + + case $job in + prompt_pure_async_vcs_info) + local -A info + typeset -gA prompt_pure_vcs_info + + # parse output (z) and unquote as array (Q@) + info=("${(Q@)${(z)output}}") + local -H MATCH MBEGIN MEND + if [[ $info[pwd] != $PWD ]]; then + # The path has changed since the check started, abort. + return + fi + # check if git toplevel has changed + if [[ $info[top] = $prompt_pure_vcs_info[top] ]]; then + # if stored pwd is part of $PWD, $PWD is shorter and likelier + # to be toplevel, so we update pwd + if [[ $prompt_pure_vcs_info[pwd] = ${PWD}* ]]; then + prompt_pure_vcs_info[pwd]=$PWD + fi + else + # store $PWD to detect if we (maybe) left the git path + prompt_pure_vcs_info[pwd]=$PWD + fi + unset MATCH MBEGIN MEND + + # update has a git toplevel set which means we just entered a new + # git directory, run the async refresh tasks + [[ -n $info[top] ]] && [[ -z $prompt_pure_vcs_info[top] ]] && prompt_pure_async_refresh + + # always update branch and toplevel + prompt_pure_vcs_info[branch]=$info[branch] + prompt_pure_vcs_info[top]=$info[top] + + do_render=1 + ;; + prompt_pure_async_git_aliases) + if [[ -n $output ]]; then + # append custom git aliases to the predefined ones. + prompt_pure_git_fetch_pattern+="|$output" + fi + ;; + prompt_pure_async_git_dirty) + local prev_dirty=$prompt_pure_git_dirty + if (( code == 0 )); then + unset prompt_pure_git_dirty + else + typeset -g prompt_pure_git_dirty="*" + fi + + [[ $prev_dirty != $prompt_pure_git_dirty ]] && do_render=1 + + # When prompt_pure_git_last_dirty_check_timestamp is set, the git info is displayed in a different color. + # To distinguish between a "fresh" and a "cached" result, the preprompt is rendered before setting this + # variable. Thus, only upon next rendering of the preprompt will the result appear in a different color. + (( $exec_time > 5 )) && prompt_pure_git_last_dirty_check_timestamp=$EPOCHSECONDS + ;; + prompt_pure_async_git_fetch|prompt_pure_async_git_arrows) + # prompt_pure_async_git_fetch executes prompt_pure_async_git_arrows + # after a successful fetch. + case $code in + 0) + local REPLY + prompt_pure_check_git_arrows ${(ps:\t:)output} + if [[ $prompt_pure_git_arrows != $REPLY ]]; then + typeset -g prompt_pure_git_arrows=$REPLY + do_render=1 + fi + ;; + 99|98) + # Git fetch failed. + ;; + *) + # Non-zero exit status from prompt_pure_async_git_arrows, + # indicating that there is no upstream configured. + if [[ -n $prompt_pure_git_arrows ]]; then + unset prompt_pure_git_arrows + do_render=1 + fi + ;; + esac + ;; + esac + + if (( next_pending )); then + (( do_render )) && typeset -g prompt_pure_async_render_requested=1 + return + fi + + [[ ${prompt_pure_async_render_requested:-$do_render} = 1 ]] && prompt_pure_preprompt_render + unset prompt_pure_async_render_requested +} + +prompt_pure_reset_prompt_symbol() { + prompt_pure_state[prompt]=${PURE_PROMPT_SYMBOL:-❯} +} + +prompt_pure_update_vim_prompt_widget() { + setopt localoptions noshwordsplit + prompt_pure_state[prompt]=${${KEYMAP/vicmd/${PURE_PROMPT_VICMD_SYMBOL:-❮}}/(main|viins)/${PURE_PROMPT_SYMBOL:-❯}} + zle && zle .reset-prompt +} + +prompt_pure_reset_vim_prompt_widget() { + setopt localoptions noshwordsplit + prompt_pure_reset_prompt_symbol + zle && zle .reset-prompt +} + +prompt_pure_state_setup() { + setopt localoptions noshwordsplit + + # Check SSH_CONNECTION and the current state. + local ssh_connection=${SSH_CONNECTION:-$PROMPT_PURE_SSH_CONNECTION} + local username + if [[ -z $ssh_connection ]] && (( $+commands[who] )); then + # When changing user on a remote system, the $SSH_CONNECTION + # environment variable can be lost, attempt detection via who. + local who_out + who_out=$(who -m 2>/dev/null) + if (( $? )); then + # Who am I not supported, fallback to plain who. + who_out=$(who 2>/dev/null | grep ${TTY#/dev/}) + fi + + local reIPv6='(([0-9a-fA-F]+:)|:){2,}[0-9a-fA-F]+' # Simplified, only checks partial pattern. + local reIPv4='([0-9]{1,3}\.){3}[0-9]+' # Simplified, allows invalid ranges. + # Here we assume two non-consecutive periods represents a + # hostname. This matches foo.bar.baz, but not foo.bar. + local reHostname='([.][^. ]+){2}' + + # Usually the remote address is surrounded by parenthesis, but + # not on all systems (e.g. busybox). + local -H MATCH MBEGIN MEND + if [[ $who_out =~ "\(?($reIPv4|$reIPv6|$reHostname)\)?\$" ]]; then + ssh_connection=$MATCH + + # Export variable to allow detection propagation inside + # shells spawned by this one (e.g. tmux does not always + # inherit the same tty, which breaks detection). + export PROMPT_PURE_SSH_CONNECTION=$ssh_connection + fi + unset MATCH MBEGIN MEND + fi + + # show username@host if logged in through SSH + [[ -n $ssh_connection ]] && username='%F{242}%n@%m%f' + + # show username@host if root, with username in white + [[ $UID -eq 0 ]] && username='%F{white}%n%f%F{242}@%m%f' + + typeset -gA prompt_pure_state + prompt_pure_state=( + username "$username" + prompt "${PURE_PROMPT_SYMBOL:-❯}" + ) +} + +prompt_pure_setup() { + # Prevent percentage showing up if output doesn't end with a newline. + export PROMPT_EOL_MARK='' + + prompt_opts=(subst percent) + + # borrowed from promptinit, sets the prompt options in case pure was not + # initialized via promptinit. + setopt noprompt{bang,cr,percent,subst} "prompt${^prompt_opts[@]}" + + if [[ -z $prompt_newline ]]; then + # This variable needs to be set, usually set by promptinit. + typeset -g prompt_newline=$'\n%{\r%}' + fi + + zmodload zsh/datetime + zmodload zsh/zle + zmodload zsh/parameter + + autoload -Uz add-zsh-hook + autoload -Uz vcs_info + autoload -Uz async && async + + # The add-zle-hook-widget function is not guaranteed + # to be available, it was added in Zsh 5.3. + autoload -Uz +X add-zle-hook-widget 2>/dev/null + + add-zsh-hook precmd prompt_pure_precmd + add-zsh-hook preexec prompt_pure_preexec + + prompt_pure_state_setup + + zle -N prompt_pure_update_vim_prompt_widget + zle -N prompt_pure_reset_vim_prompt_widget + if (( $+functions[add-zle-hook-widget] )); then + add-zle-hook-widget zle-line-finish prompt_pure_reset_vim_prompt_widget + add-zle-hook-widget zle-keymap-select prompt_pure_update_vim_prompt_widget + fi + + # if a virtualenv is activated, display it in grey + PROMPT='%(12V.%F{242}%12v%f .)' + + # prompt turns red if the previous command didn't exit with 0 + PROMPT+='%(?.%F{magenta}.%F{red})${prompt_pure_state[prompt]}%f ' + + # Store prompt expansion symbols for in-place expansion via (%). For + # some reason it does not work without storing them in a variable first. + typeset -ga prompt_pure_debug_depth + prompt_pure_debug_depth=('%e' '%N' '%x') + + # Compare is used to check if %N equals %x. When they differ, the main + # prompt is used to allow displaying both file name and function. When + # they match, we use the secondary prompt to avoid displaying duplicate + # information. + local -A ps4_parts + ps4_parts=( + depth '%F{yellow}${(l:${(%)prompt_pure_debug_depth[1]}::+:)}%f' + compare '${${(%)prompt_pure_debug_depth[2]}:#${(%)prompt_pure_debug_depth[3]}}' + main '%F{blue}${${(%)prompt_pure_debug_depth[3]}:t}%f%F{242}:%I%f %F{242}@%f%F{blue}%N%f%F{242}:%i%f' + secondary '%F{blue}%N%f%F{242}:%i' + prompt '%F{242}>%f ' + ) + # Combine the parts with conditional logic. First the `:+` operator is + # used to replace `compare` either with `main` or an ampty string. Then + # the `:-` operator is used so that if `compare` becomes an empty + # string, it is replaced with `secondary`. + local ps4_symbols='${${'${ps4_parts[compare]}':+"'${ps4_parts[main]}'"}:-"'${ps4_parts[secondary]}'"}' + + # Improve the debug prompt (PS4), show depth by repeating the +-sign and + # add colors to highlight essential parts like file and function name. + PROMPT4="${ps4_parts[depth]} ${ps4_symbols}${ps4_parts[prompt]}" + + unset ZSH_THEME # Guard against Oh My Zsh themes overriding Pure. +} + +prompt_pure_setup "$@" |