diff --git a/.zsh/zsh-autosuggestions.zsh b/.zsh/zsh-autosuggestions.zsh new file mode 100644 index 0000000..350490a --- /dev/null +++ b/.zsh/zsh-autosuggestions.zsh @@ -0,0 +1,858 @@ +# Fish-like fast/unobtrusive autosuggestions for zsh. +# https://github.com/zsh-users/zsh-autosuggestions +# v0.6.4 +# Copyright (c) 2013 Thiago de Arruda +# Copyright (c) 2016-2019 Eric Freese +# +# Permission is hereby granted, free of charge, to any person +# obtaining a copy of this software and associated documentation +# files (the "Software"), to deal in the Software without +# restriction, including without limitation the rights to use, +# copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following +# conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. + +#--------------------------------------------------------------------# +# Global Configuration Variables # +#--------------------------------------------------------------------# + +# Color to use when highlighting suggestion +# Uses format of `region_highlight` +# More info: http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#Zle-Widgets +(( ! ${+ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE} )) && +typeset -g ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=7' + +# Prefix to use when saving original versions of bound widgets +(( ! ${+ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX} )) && +typeset -g ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX=autosuggest-orig- + +# Strategies to use to fetch a suggestion +# Will try each strategy in order until a suggestion is returned +(( ! ${+ZSH_AUTOSUGGEST_STRATEGY} )) && { + typeset -ga ZSH_AUTOSUGGEST_STRATEGY + ZSH_AUTOSUGGEST_STRATEGY=(history completion) +} + +# Widgets that clear the suggestion +(( ! ${+ZSH_AUTOSUGGEST_CLEAR_WIDGETS} )) && { + typeset -ga ZSH_AUTOSUGGEST_CLEAR_WIDGETS + ZSH_AUTOSUGGEST_CLEAR_WIDGETS=( + history-search-forward + history-search-backward + history-beginning-search-forward + history-beginning-search-backward + history-substring-search-up + history-substring-search-down + up-line-or-beginning-search + down-line-or-beginning-search + up-line-or-history + down-line-or-history + accept-line + copy-earlier-word + ) +} + +# Widgets that accept the entire suggestion +(( ! ${+ZSH_AUTOSUGGEST_ACCEPT_WIDGETS} )) && { + typeset -ga ZSH_AUTOSUGGEST_ACCEPT_WIDGETS + ZSH_AUTOSUGGEST_ACCEPT_WIDGETS=( + forward-char + end-of-line + vi-forward-char + vi-end-of-line + vi-add-eol + ) +} + +# Widgets that accept the entire suggestion and execute it +(( ! ${+ZSH_AUTOSUGGEST_EXECUTE_WIDGETS} )) && { + typeset -ga ZSH_AUTOSUGGEST_EXECUTE_WIDGETS + ZSH_AUTOSUGGEST_EXECUTE_WIDGETS=( + ) +} + +# Widgets that accept the suggestion as far as the cursor moves +(( ! ${+ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS} )) && { + typeset -ga ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS + ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS=( + forward-word + emacs-forward-word + vi-forward-word + vi-forward-word-end + vi-forward-blank-word + vi-forward-blank-word-end + vi-find-next-char + vi-find-next-char-skip + ) +} + +# Widgets that should be ignored (globbing supported but must be escaped) +(( ! ${+ZSH_AUTOSUGGEST_IGNORE_WIDGETS} )) && { + typeset -ga ZSH_AUTOSUGGEST_IGNORE_WIDGETS + ZSH_AUTOSUGGEST_IGNORE_WIDGETS=( + orig-\* + beep + run-help + set-local-history + which-command + yank + yank-pop + zle-\* + ) +} + +# Pty name for capturing completions for completion suggestion strategy +(( ! ${+ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME} )) && +typeset -g ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME=zsh_autosuggest_completion_pty + +#--------------------------------------------------------------------# +# Utility Functions # +#--------------------------------------------------------------------# + +_zsh_autosuggest_escape_command() { + setopt localoptions EXTENDED_GLOB + + # Escape special chars in the string (requires EXTENDED_GLOB) + echo -E "${1//(#m)[\"\'\\()\[\]|*?~]/\\$MATCH}" +} + +#--------------------------------------------------------------------# +# Widget Helpers # +#--------------------------------------------------------------------# + +_zsh_autosuggest_incr_bind_count() { + typeset -gi bind_count=$((_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]+1)) + _ZSH_AUTOSUGGEST_BIND_COUNTS[$1]=$bind_count +} + +# Bind a single widget to an autosuggest widget, saving a reference to the original widget +_zsh_autosuggest_bind_widget() { + typeset -gA _ZSH_AUTOSUGGEST_BIND_COUNTS + + local widget=$1 + local autosuggest_action=$2 + local prefix=$ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX + + local -i bind_count + + # Save a reference to the original widget + case $widgets[$widget] in + # Already bound + user:_zsh_autosuggest_(bound|orig)_*) + bind_count=$((_ZSH_AUTOSUGGEST_BIND_COUNTS[$widget])) + ;; + + # User-defined widget + user:*) + _zsh_autosuggest_incr_bind_count $widget + zle -N $prefix$bind_count-$widget ${widgets[$widget]#*:} + ;; + + # Built-in widget + builtin) + _zsh_autosuggest_incr_bind_count $widget + eval "_zsh_autosuggest_orig_${(q)widget}() { zle .${(q)widget} }" + zle -N $prefix$bind_count-$widget _zsh_autosuggest_orig_$widget + ;; + + # Completion widget + completion:*) + _zsh_autosuggest_incr_bind_count $widget + eval "zle -C $prefix$bind_count-${(q)widget} ${${(s.:.)widgets[$widget]}[2,3]}" + ;; + esac + + # Pass the original widget's name explicitly into the autosuggest + # function. Use this passed in widget name to call the original + # widget instead of relying on the $WIDGET variable being set + # correctly. $WIDGET cannot be trusted because other plugins call + # zle without the `-w` flag (e.g. `zle self-insert` instead of + # `zle self-insert -w`). + eval "_zsh_autosuggest_bound_${bind_count}_${(q)widget}() { + _zsh_autosuggest_widget_$autosuggest_action $prefix$bind_count-${(q)widget} \$@ + }" + + # Create the bound widget + zle -N -- $widget _zsh_autosuggest_bound_${bind_count}_$widget +} + +# Map all configured widgets to the right autosuggest widgets +_zsh_autosuggest_bind_widgets() { + emulate -L zsh + + local widget + local ignore_widgets + + ignore_widgets=( + .\* + _\* + autosuggest-\* + $ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX\* + $ZSH_AUTOSUGGEST_IGNORE_WIDGETS + ) + + # Find every widget we might want to bind and bind it appropriately + for widget in ${${(f)"$(builtin zle -la)"}:#${(j:|:)~ignore_widgets}}; do + if [[ -n ${ZSH_AUTOSUGGEST_CLEAR_WIDGETS[(r)$widget]} ]]; then + _zsh_autosuggest_bind_widget $widget clear + elif [[ -n ${ZSH_AUTOSUGGEST_ACCEPT_WIDGETS[(r)$widget]} ]]; then + _zsh_autosuggest_bind_widget $widget accept + elif [[ -n ${ZSH_AUTOSUGGEST_EXECUTE_WIDGETS[(r)$widget]} ]]; then + _zsh_autosuggest_bind_widget $widget execute + elif [[ -n ${ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS[(r)$widget]} ]]; then + _zsh_autosuggest_bind_widget $widget partial_accept + else + # Assume any unspecified widget might modify the buffer + _zsh_autosuggest_bind_widget $widget modify + fi + done +} + +# Given the name of an original widget and args, invoke it, if it exists +_zsh_autosuggest_invoke_original_widget() { + # Do nothing unless called with at least one arg + (( $# )) || return 0 + + local original_widget_name="$1" + + shift + + if (( ${+widgets[$original_widget_name]} )); then + zle $original_widget_name -- $@ + fi +} + +#--------------------------------------------------------------------# +# Highlighting # +#--------------------------------------------------------------------# + +# If there was a highlight, remove it +_zsh_autosuggest_highlight_reset() { + typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT + + if [[ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]]; then + region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}") + unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT + fi +} + +# If there's a suggestion, highlight it +_zsh_autosuggest_highlight_apply() { + typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT + + if (( $#POSTDISPLAY )); then + typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT="$#BUFFER $(($#BUFFER + $#POSTDISPLAY)) $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE" + region_highlight+=("$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT") + else + unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT + fi +} + +#--------------------------------------------------------------------# +# Autosuggest Widget Implementations # +#--------------------------------------------------------------------# + +# Disable suggestions +_zsh_autosuggest_disable() { + typeset -g _ZSH_AUTOSUGGEST_DISABLED + _zsh_autosuggest_clear +} + +# Enable suggestions +_zsh_autosuggest_enable() { + unset _ZSH_AUTOSUGGEST_DISABLED + + if (( $#BUFFER )); then + _zsh_autosuggest_fetch + fi +} + +# Toggle suggestions (enable/disable) +_zsh_autosuggest_toggle() { + if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then + _zsh_autosuggest_enable + else + _zsh_autosuggest_disable + fi +} + +# Clear the suggestion +_zsh_autosuggest_clear() { + # Remove the suggestion + unset POSTDISPLAY + + _zsh_autosuggest_invoke_original_widget $@ +} + +# Modify the buffer and get a new suggestion +_zsh_autosuggest_modify() { + local -i retval + + # Only available in zsh >= 5.4 + local -i KEYS_QUEUED_COUNT + + # Save the contents of the buffer/postdisplay + local orig_buffer="$BUFFER" + local orig_postdisplay="$POSTDISPLAY" + + # Clear suggestion while waiting for next one + unset POSTDISPLAY + + # Original widget may modify the buffer + _zsh_autosuggest_invoke_original_widget $@ + retval=$? + + emulate -L zsh + + # Don't fetch a new suggestion if there's more input to be read immediately + if (( $PENDING > 0 || $KEYS_QUEUED_COUNT > 0 )); then + POSTDISPLAY="$orig_postdisplay" + return $retval + fi + + # Optimize if manually typing in the suggestion + if (( $#BUFFER > $#orig_buffer )); then + local added=${BUFFER#$orig_buffer} + + # If the string added matches the beginning of the postdisplay + if [[ "$added" = "${orig_postdisplay:0:$#added}" ]]; then + POSTDISPLAY="${orig_postdisplay:$#added}" + return $retval + fi + fi + + # Don't fetch a new suggestion if the buffer hasn't changed + if [[ "$BUFFER" = "$orig_buffer" ]]; then + POSTDISPLAY="$orig_postdisplay" + return $retval + fi + + # Bail out if suggestions are disabled + if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then + return $? + fi + + # Get a new suggestion if the buffer is not empty after modification + if (( $#BUFFER > 0 )); then + if [[ -z "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" ]] || (( $#BUFFER <= $ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE )); then + _zsh_autosuggest_fetch + fi + fi + + return $retval +} + +# Fetch a new suggestion based on what's currently in the buffer +_zsh_autosuggest_fetch() { + if (( ${+ZSH_AUTOSUGGEST_USE_ASYNC} )); then + _zsh_autosuggest_async_request "$BUFFER" + else + local suggestion + _zsh_autosuggest_fetch_suggestion "$BUFFER" + _zsh_autosuggest_suggest "$suggestion" + fi +} + +# Offer a suggestion +_zsh_autosuggest_suggest() { + emulate -L zsh + + local suggestion="$1" + + if [[ -n "$suggestion" ]] && (( $#BUFFER )); then + POSTDISPLAY="${suggestion#$BUFFER}" + else + unset POSTDISPLAY + fi +} + +# Accept the entire suggestion +_zsh_autosuggest_accept() { + local -i retval max_cursor_pos=$#BUFFER + + # When vicmd keymap is active, the cursor can't move all the way + # to the end of the buffer + if [[ "$KEYMAP" = "vicmd" ]]; then + max_cursor_pos=$((max_cursor_pos - 1)) + fi + + # If we're not in a valid state to accept a suggestion, just run the + # original widget and bail out + if (( $CURSOR != $max_cursor_pos || !$#POSTDISPLAY )); then + _zsh_autosuggest_invoke_original_widget $@ + return + fi + + # Only accept if the cursor is at the end of the buffer + # Add the suggestion to the buffer + BUFFER="$BUFFER$POSTDISPLAY" + + # Remove the suggestion + unset POSTDISPLAY + + # Run the original widget before manually moving the cursor so that the + # cursor movement doesn't make the widget do something unexpected + _zsh_autosuggest_invoke_original_widget $@ + retval=$? + + # Move the cursor to the end of the buffer + if [[ "$KEYMAP" = "vicmd" ]]; then + CURSOR=$(($#BUFFER - 1)) + else + CURSOR=$#BUFFER + fi + + return $retval +} + +# Accept the entire suggestion and execute it +_zsh_autosuggest_execute() { + # Add the suggestion to the buffer + BUFFER="$BUFFER$POSTDISPLAY" + + # Remove the suggestion + unset POSTDISPLAY + + # Call the original `accept-line` to handle syntax highlighting or + # other potential custom behavior + _zsh_autosuggest_invoke_original_widget "accept-line" +} + +# Partially accept the suggestion +_zsh_autosuggest_partial_accept() { + local -i retval cursor_loc + + # Save the contents of the buffer so we can restore later if needed + local original_buffer="$BUFFER" + + # Temporarily accept the suggestion. + BUFFER="$BUFFER$POSTDISPLAY" + + # Original widget moves the cursor + _zsh_autosuggest_invoke_original_widget $@ + retval=$? + + # Normalize cursor location across vi/emacs modes + cursor_loc=$CURSOR + if [[ "$KEYMAP" = "vicmd" ]]; then + cursor_loc=$((cursor_loc + 1)) + fi + + # If we've moved past the end of the original buffer + if (( $cursor_loc > $#original_buffer )); then + # Set POSTDISPLAY to text right of the cursor + POSTDISPLAY="${BUFFER[$(($cursor_loc + 1)),$#BUFFER]}" + + # Clip the buffer at the cursor + BUFFER="${BUFFER[1,$cursor_loc]}" + else + # Restore the original buffer + BUFFER="$original_buffer" + fi + + return $retval +} + +() { + local action + for action in clear modify fetch suggest accept partial_accept execute enable disable toggle; do + eval "_zsh_autosuggest_widget_$action() { + local -i retval + + _zsh_autosuggest_highlight_reset + + _zsh_autosuggest_$action \$@ + retval=\$? + + _zsh_autosuggest_highlight_apply + + zle -R + + return \$retval + }" + done + + zle -N autosuggest-fetch _zsh_autosuggest_widget_fetch + zle -N autosuggest-suggest _zsh_autosuggest_widget_suggest + zle -N autosuggest-accept _zsh_autosuggest_widget_accept + zle -N autosuggest-clear _zsh_autosuggest_widget_clear + zle -N autosuggest-execute _zsh_autosuggest_widget_execute + zle -N autosuggest-enable _zsh_autosuggest_widget_enable + zle -N autosuggest-disable _zsh_autosuggest_widget_disable + zle -N autosuggest-toggle _zsh_autosuggest_widget_toggle +} + +#--------------------------------------------------------------------# +# Completion Suggestion Strategy # +#--------------------------------------------------------------------# +# Fetches a suggestion from the completion engine +# + +_zsh_autosuggest_capture_postcompletion() { + # Always insert the first completion into the buffer + compstate[insert]=1 + + # Don't list completions + unset 'compstate[list]' +} + +_zsh_autosuggest_capture_completion_widget() { + # Add a post-completion hook to be called after all completions have been + # gathered. The hook can modify compstate to affect what is done with the + # gathered completions. + local -a +h comppostfuncs + comppostfuncs=(_zsh_autosuggest_capture_postcompletion) + + # Only capture completions at the end of the buffer + CURSOR=$#BUFFER + + # Run the original widget wrapping `.complete-word` so we don't + # recursively try to fetch suggestions, since our pty is forked + # after autosuggestions is initialized. + zle -- ${(k)widgets[(r)completion:.complete-word:_main_complete]} + + if is-at-least 5.0.3; then + # Don't do any cr/lf transformations. We need to do this immediately before + # output because if we do it in setup, onlcr will be re-enabled when we enter + # vared in the async code path. There is a bug in zpty module in older versions + # where the tty is not properly attached to the pty slave, resulting in stty + # getting stopped with a SIGTTOU. See zsh-workers thread 31660 and upstream + # commit f75904a38 + stty -onlcr -ocrnl -F /dev/tty + fi + + # The completion has been added, print the buffer as the suggestion + echo -nE - $'\0'$BUFFER$'\0' +} + +zle -N autosuggest-capture-completion _zsh_autosuggest_capture_completion_widget + +_zsh_autosuggest_capture_setup() { + autoload -Uz is-at-least + + # There is a bug in zpty module in older zsh versions by which a + # zpty that exits will kill all zpty processes that were forked + # before it. Here we set up a zsh exit hook to SIGKILL the zpty + # process immediately, before it has a chance to kill any other + # zpty processes. + if ! is-at-least 5.4; then + zshexit() { + # The zsh builtin `kill` fails sometimes in older versions + # https://unix.stackexchange.com/a/477647/156673 + kill -KILL $$ 2>&- || command kill -KILL $$ + + # Block for long enough for the signal to come through + sleep 1 + } + fi + + # Try to avoid any suggestions that wouldn't match the prefix + zstyle ':completion:*' matcher-list '' + zstyle ':completion:*' path-completion false + zstyle ':completion:*' max-errors 0 not-numeric + + bindkey '^I' autosuggest-capture-completion +} + +_zsh_autosuggest_capture_completion_sync() { + _zsh_autosuggest_capture_setup + + zle autosuggest-capture-completion +} + +_zsh_autosuggest_capture_completion_async() { + _zsh_autosuggest_capture_setup + + zmodload zsh/parameter 2>/dev/null || return # For `$functions` + + # Make vared completion work as if for a normal command line + # https://stackoverflow.com/a/7057118/154703 + autoload +X _complete + functions[_original_complete]=$functions[_complete] + function _complete() { + unset 'compstate[vared]' + _original_complete "$@" + } + + # Open zle with buffer set so we can capture completions for it + vared 1 +} + +_zsh_autosuggest_strategy_completion() { + # Reset options to defaults and enable LOCAL_OPTIONS + emulate -L zsh + + # Enable extended glob for completion ignore pattern + setopt EXTENDED_GLOB + + typeset -g suggestion + local line REPLY + + # Exit if we don't have completions + whence compdef >/dev/null || return + + # Exit if we don't have zpty + zmodload zsh/zpty 2>/dev/null || return + + # Exit if our search string matches the ignore pattern + [[ -n "$ZSH_AUTOSUGGEST_COMPLETION_IGNORE" ]] && [[ "$1" == $~ZSH_AUTOSUGGEST_COMPLETION_IGNORE ]] && return + + # Zle will be inactive if we are in async mode + if zle; then + zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME _zsh_autosuggest_capture_completion_sync + else + zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME _zsh_autosuggest_capture_completion_async "\$1" + zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME $'\t' + fi + + { + # The completion result is surrounded by null bytes, so read the + # content between the first two null bytes. + zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line '*'$'\0''*'$'\0' + + # Extract the suggestion from between the null bytes. On older + # versions of zsh (older than 5.3), we sometimes get extra bytes after + # the second null byte, so trim those off the end. + # See http://www.zsh.org/mla/workers/2015/msg03290.html + suggestion="${${(@0)line}[2]}" + } always { + # Destroy the pty + zpty -d $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME + } +} + +#--------------------------------------------------------------------# +# History Suggestion Strategy # +#--------------------------------------------------------------------# +# Suggests the most recent history item that matches the given +# prefix. +# + +_zsh_autosuggest_strategy_history() { + # Reset options to defaults and enable LOCAL_OPTIONS + emulate -L zsh + + # Enable globbing flags so that we can use (#m) and (x~y) glob operator + setopt EXTENDED_GLOB + + # Escape backslashes and all of the glob operators so we can use + # this string as a pattern to search the $history associative array. + # - (#m) globbing flag enables setting references for match data + # TODO: Use (b) flag when we can drop support for zsh older than v5.0.8 + local prefix="${1//(#m)[\\*?[\]<>()|^~#]/\\$MATCH}" + + # Get the history items that match the prefix, excluding those that match + # the ignore pattern + local pattern="$prefix*" + if [[ -n $ZSH_AUTOSUGGEST_HISTORY_IGNORE ]]; then + pattern="($pattern)~($ZSH_AUTOSUGGEST_HISTORY_IGNORE)" + fi + + # Give the first history item matching the pattern as the suggestion + # - (r) subscript flag makes the pattern match on values + typeset -g suggestion="${history[(r)$pattern]}" +} + +#--------------------------------------------------------------------# +# Match Previous Command Suggestion Strategy # +#--------------------------------------------------------------------# +# Suggests the most recent history item that matches the given +# prefix and whose preceding history item also matches the most +# recently executed command. +# +# For example, suppose your history has the following entries: +# - pwd +# - ls foo +# - ls bar +# - pwd +# +# Given the history list above, when you type 'ls', the suggestion +# will be 'ls foo' rather than 'ls bar' because your most recently +# executed command (pwd) was previously followed by 'ls foo'. +# +# Note that this strategy won't work as expected with ZSH options that don't +# preserve the history order such as `HIST_IGNORE_ALL_DUPS` or +# `HIST_EXPIRE_DUPS_FIRST`. + +_zsh_autosuggest_strategy_match_prev_cmd() { + # Reset options to defaults and enable LOCAL_OPTIONS + emulate -L zsh + + # Enable globbing flags so that we can use (#m) and (x~y) glob operator + setopt EXTENDED_GLOB + + # TODO: Use (b) flag when we can drop support for zsh older than v5.0.8 + local prefix="${1//(#m)[\\*?[\]<>()|^~#]/\\$MATCH}" + + # Get the history items that match the prefix, excluding those that match + # the ignore pattern + local pattern="$prefix*" + if [[ -n $ZSH_AUTOSUGGEST_HISTORY_IGNORE ]]; then + pattern="($pattern)~($ZSH_AUTOSUGGEST_HISTORY_IGNORE)" + fi + + # Get all history event numbers that correspond to history + # entries that match the pattern + local history_match_keys + history_match_keys=(${(k)history[(R)$~pattern]}) + + # By default we use the first history number (most recent history entry) + local histkey="${history_match_keys[1]}" + + # Get the previously executed command + local prev_cmd="$(_zsh_autosuggest_escape_command "${history[$((HISTCMD-1))]}")" + + # Iterate up to the first 200 history event numbers that match $prefix + for key in "${(@)history_match_keys[1,200]}"; do + # Stop if we ran out of history + [[ $key -gt 1 ]] || break + + # See if the history entry preceding the suggestion matches the + # previous command, and use it if it does + if [[ "${history[$((key - 1))]}" == "$prev_cmd" ]]; then + histkey="$key" + break + fi + done + + # Give back the matched history entry + typeset -g suggestion="$history[$histkey]" +} + +#--------------------------------------------------------------------# +# Fetch Suggestion # +#--------------------------------------------------------------------# +# Loops through all specified strategies and returns a suggestion +# from the first strategy to provide one. +# + +_zsh_autosuggest_fetch_suggestion() { + typeset -g suggestion + local -a strategies + local strategy + + # Ensure we are working with an array + strategies=(${=ZSH_AUTOSUGGEST_STRATEGY}) + + for strategy in $strategies; do + # Try to get a suggestion from this strategy + _zsh_autosuggest_strategy_$strategy "$1" + + # Ensure the suggestion matches the prefix + [[ "$suggestion" != "$1"* ]] && unset suggestion + + # Break once we've found a valid suggestion + [[ -n "$suggestion" ]] && break + done +} + +#--------------------------------------------------------------------# +# Async # +#--------------------------------------------------------------------# + +_zsh_autosuggest_async_request() { + zmodload zsh/system 2>/dev/null # For `$sysparams` + + typeset -g _ZSH_AUTOSUGGEST_ASYNC_FD _ZSH_AUTOSUGGEST_CHILD_PID + + # If we've got a pending request, cancel it + if [[ -n "$_ZSH_AUTOSUGGEST_ASYNC_FD" ]] && { true <&$_ZSH_AUTOSUGGEST_ASYNC_FD } 2>/dev/null; then + # Close the file descriptor and remove the handler + exec {_ZSH_AUTOSUGGEST_ASYNC_FD}<&- + zle -F $_ZSH_AUTOSUGGEST_ASYNC_FD + + # We won't know the pid unless the user has zsh/system module installed + if [[ -n "$_ZSH_AUTOSUGGEST_CHILD_PID" ]]; then + # Zsh will make a new process group for the child process only if job + # control is enabled (MONITOR option) + if [[ -o MONITOR ]]; then + # Send the signal to the process group to kill any processes that may + # have been forked by the suggestion strategy + kill -TERM -$_ZSH_AUTOSUGGEST_CHILD_PID 2>/dev/null + else + # Kill just the child process since it wasn't placed in a new process + # group. If the suggestion strategy forked any child processes they may + # be orphaned and left behind. + kill -TERM $_ZSH_AUTOSUGGEST_CHILD_PID 2>/dev/null + fi + fi + fi + + # Fork a process to fetch a suggestion and open a pipe to read from it + exec {_ZSH_AUTOSUGGEST_ASYNC_FD}< <( + # Tell parent process our pid + echo $sysparams[pid] + + # Fetch and print the suggestion + local suggestion + _zsh_autosuggest_fetch_suggestion "$1" + echo -nE "$suggestion" + ) + + # There's a weird bug here where ^C stops working unless we force a fork + # See https://github.com/zsh-users/zsh-autosuggestions/issues/364 + command true + + # Read the pid from the child process + read _ZSH_AUTOSUGGEST_CHILD_PID <&$_ZSH_AUTOSUGGEST_ASYNC_FD + + # When the fd is readable, call the response handler + zle -F "$_ZSH_AUTOSUGGEST_ASYNC_FD" _zsh_autosuggest_async_response +} + +# Called when new data is ready to be read from the pipe +# First arg will be fd ready for reading +# Second arg will be passed in case of error +_zsh_autosuggest_async_response() { + emulate -L zsh + + local suggestion + + if [[ -z "$2" || "$2" == "hup" ]]; then + # Read everything from the fd and give it as a suggestion + IFS='' read -rd '' -u $1 suggestion + zle autosuggest-suggest -- "$suggestion" + + # Close the fd + exec {1}<&- + fi + + # Always remove the handler + zle -F "$1" +} + +#--------------------------------------------------------------------# +# Start # +#--------------------------------------------------------------------# + +# Start the autosuggestion widgets +_zsh_autosuggest_start() { + # By default we re-bind widgets on every precmd to ensure we wrap other + # wrappers. Specifically, highlighting breaks if our widgets are wrapped by + # zsh-syntax-highlighting widgets. This also allows modifications to the + # widget list variables to take effect on the next precmd. However this has + # a decent performance hit, so users can set ZSH_AUTOSUGGEST_MANUAL_REBIND + # to disable the automatic re-binding. + if (( ${+ZSH_AUTOSUGGEST_MANUAL_REBIND} )); then + add-zsh-hook -d precmd _zsh_autosuggest_start + fi + + _zsh_autosuggest_bind_widgets +} + +# Start the autosuggestion widgets on the next precmd +autoload -Uz add-zsh-hook +add-zsh-hook precmd _zsh_autosuggest_start diff --git a/.zshrc b/.zshrc index 258ea21..e7e5aad 100644 --- a/.zshrc +++ b/.zshrc @@ -2815,6 +2815,11 @@ PATH=$PATH:$HOME/.local/bin alias t="topydo" alias sysu='systemctl --user' + +source ~/.zsh/zsh-autosuggestions.zsh + + + zrclocal ## genrefcard.pl settings