linux/zsh-autosuggestions
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Fix conditionals to use [[ and (( rather than [

Browse source 
This fixes a small issue in src/widgets.zsh which makes it so if you
alias [ to g[ (as is done in prezto if the gnu-utility module is loaded)
autosuggestions would fail.

The documentation for GNU test mentions that -o and -a should be avoided
if possible because it's not very clear. Also, with zsh and [[ -o
actually tests if an option is set, which makes this option even more
confusing.
This commit is contained in:
Kaleb Elwert 2017-07-17 13:45:48 -07:00 committed by Eric Freese
parent 9f1f322979
commit 940e10a691
7 changed files with 59 additions and 46 deletions
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13
spec/integrations/rebound_bracket_spec.rb Normal file
View file

@ -0,0 +1,13 @@
describe 'rebinding [' do
context 'initialized before sourcing the plugin' do
before do
session.run_command("function [ { $commands[\\[] \"$@\" }")
session.clear_screen
end
it 'executes the custom behavior and the built-in behavior' do
session.send_string('asdf')
wait_for { session.content }.to eq('asdf')
end
end
end

2
src/async.zsh
View file

@ -63,7 +63,7 @@ _zsh_autosuggest_async_pty_create() {
typeset -h REPLY typeset -h REPLY
# If we won't get a fd back from zpty, try to guess it # If we won't get a fd back from zpty, try to guess it
if [ $_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD -eq 0 ]; then if (( ! $_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD )); then
integer -l zptyfd integer -l zptyfd
exec {zptyfd}>&1 # Open a new file descriptor (above 10). exec {zptyfd}>&1 # Open a new file descriptor (above 10).
exec {zptyfd}>&- # Close it so it's free to be used by zpty. exec {zptyfd}>&- # Close it so it's free to be used by zpty.

12
src/bind.zsh
View file

@ -88,13 +88,13 @@ _zsh_autosuggest_bind_widgets() {
# Find every widget we might want to bind and bind it appropriately # Find every widget we might want to bind and bind it appropriately
for widget in ${${(f)"$(builtin zle -la)"}:#${(j:|:)~ignore_widgets}}; do for widget in ${${(f)"$(builtin zle -la)"}:#${(j:|:)~ignore_widgets}}; do
if [ ${ZSH_AUTOSUGGEST_CLEAR_WIDGETS[(r)$widget]} ]; then if [[ -n ${ZSH_AUTOSUGGEST_CLEAR_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget clear _zsh_autosuggest_bind_widget $widget clear
elif [ ${ZSH_AUTOSUGGEST_ACCEPT_WIDGETS[(r)$widget]} ]; then elif [[ -n ${ZSH_AUTOSUGGEST_ACCEPT_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget accept _zsh_autosuggest_bind_widget $widget accept
elif [ ${ZSH_AUTOSUGGEST_EXECUTE_WIDGETS[(r)$widget]} ]; then elif [[ -n ${ZSH_AUTOSUGGEST_EXECUTE_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget execute _zsh_autosuggest_bind_widget $widget execute
elif [ ${ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS[(r)$widget]} ]; then elif [[ -n ${ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget partial_accept _zsh_autosuggest_bind_widget $widget partial_accept
else else
# Assume any unspecified widget might modify the buffer # Assume any unspecified widget might modify the buffer
@ -106,13 +106,13 @@ _zsh_autosuggest_bind_widgets() {
# Given the name of an original widget and args, invoke it, if it exists # Given the name of an original widget and args, invoke it, if it exists
_zsh_autosuggest_invoke_original_widget() { _zsh_autosuggest_invoke_original_widget() {
# Do nothing unless called with at least one arg # Do nothing unless called with at least one arg
[ $# -gt 0 ] || return (( $# )) || return
local original_widget_name="$1" local original_widget_name="$1"
shift shift
if [ $widgets[$original_widget_name] ]; then if (( ${+widgets[$original_widget_name]} )); then
zle $original_widget_name -- $@ zle $original_widget_name -- $@
fi fi
} }

4
src/highlight.zsh
View file

@ -7,7 +7,7 @@
_zsh_autosuggest_highlight_reset() { _zsh_autosuggest_highlight_reset() {
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
if [ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]; then if [[ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]]; then
region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}") region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}")
unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
fi fi
@ -17,7 +17,7 @@ _zsh_autosuggest_highlight_reset() {
_zsh_autosuggest_highlight_apply() { _zsh_autosuggest_highlight_apply() {
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
if [ $#POSTDISPLAY -gt 0 ]; then if (( $#POSTDISPLAY )); then
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT="$#BUFFER $(($#BUFFER + $#POSTDISPLAY)) $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE" typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT="$#BUFFER $(($#BUFFER + $#POSTDISPLAY)) $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE"
region_highlight+=("$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT") region_highlight+=("$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT")
else else

2
src/start.zsh
View file

@ -15,7 +15,7 @@ _zsh_autosuggest_start() {
# to the widget list variables to take effect on the next precmd. # to the widget list variables to take effect on the next precmd.
add-zsh-hook precmd _zsh_autosuggest_bind_widgets add-zsh-hook precmd _zsh_autosuggest_bind_widgets
if [ -n "${ZSH_AUTOSUGGEST_USE_ASYNC+x}" ]; then if [[ -n "${ZSH_AUTOSUGGEST_USE_ASYNC+x}" ]]; then
_zsh_autosuggest_async_start _zsh_autosuggest_async_start
fi fi
} }

26
src/widgets.zsh
View file

@ -13,14 +13,14 @@ _zsh_autosuggest_disable() {
_zsh_autosuggest_enable() { _zsh_autosuggest_enable() {
unset _ZSH_AUTOSUGGEST_DISABLED unset _ZSH_AUTOSUGGEST_DISABLED
if [ $#BUFFER -gt 0 ]; then if (( $#BUFFER )); then
_zsh_autosuggest_fetch _zsh_autosuggest_fetch
fi fi
} }
# Toggle suggestions (enable/disable) # Toggle suggestions (enable/disable)
_zsh_autosuggest_toggle() { _zsh_autosuggest_toggle() {
if [ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]; then if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
_zsh_autosuggest_enable _zsh_autosuggest_enable
else else
_zsh_autosuggest_disable _zsh_autosuggest_disable
@ -54,35 +54,35 @@ _zsh_autosuggest_modify() {
retval=$? retval=$?
# Don't fetch a new suggestion if there's more input to be read immediately # Don't fetch a new suggestion if there's more input to be read immediately
if [[ $PENDING > 0 ]] || [[ $KEYS_QUEUED_COUNT > 0 ]]; then if (( $PENDING > 0 )) || (( $KEYS_QUEUED_COUNT > 0 )); then
return $retval return $retval
fi fi
# Optimize if manually typing in the suggestion # Optimize if manually typing in the suggestion
if [ $#BUFFER -gt $#orig_buffer ]; then if (( $#BUFFER > $#orig_buffer )); then
local added=${BUFFER#$orig_buffer} local added=${BUFFER#$orig_buffer}
# If the string added matches the beginning of the postdisplay # If the string added matches the beginning of the postdisplay
if [ "$added" = "${orig_postdisplay:0:$#added}" ]; then if [[ "$added" = "${orig_postdisplay:0:$#added}" ]]; then
POSTDISPLAY="${orig_postdisplay:$#added}" POSTDISPLAY="${orig_postdisplay:$#added}"
return $retval return $retval
fi fi
fi fi
# Don't fetch a new suggestion if the buffer hasn't changed # Don't fetch a new suggestion if the buffer hasn't changed
if [ "$BUFFER" = "$orig_buffer" ]; then if [[ "$BUFFER" = "$orig_buffer" ]]; then
POSTDISPLAY="$orig_postdisplay" POSTDISPLAY="$orig_postdisplay"
return $retval return $retval
fi fi
# Bail out if suggestions are disabled # Bail out if suggestions are disabled
if [ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]; then if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
return $? return $?
fi fi
# Get a new suggestion if the buffer is not empty after modification # Get a new suggestion if the buffer is not empty after modification
if [ $#BUFFER -gt 0 ]; then if (( $#BUFFER > 0 )); then
if [ -z "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" -o $#BUFFER -le "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" ]; then if [[ -z "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" ]] || (( $#BUFFER <= $ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE )); then
_zsh_autosuggest_fetch _zsh_autosuggest_fetch
fi fi
fi fi
@ -105,7 +105,7 @@ _zsh_autosuggest_fetch() {
_zsh_autosuggest_suggest() { _zsh_autosuggest_suggest() {
local suggestion="$1" local suggestion="$1"
if [ -n "$suggestion" ] && [ $#BUFFER -gt 0 ]; then if [[ -n "$suggestion" ]] && (( $#BUFFER )); then
POSTDISPLAY="${suggestion#$BUFFER}" POSTDISPLAY="${suggestion#$BUFFER}"
else else
unset POSTDISPLAY unset POSTDISPLAY
@ -118,12 +118,12 @@ _zsh_autosuggest_accept() {
# When vicmd keymap is active, the cursor can't move all the way # When vicmd keymap is active, the cursor can't move all the way
# to the end of the buffer # to the end of the buffer
if [ "$KEYMAP" = "vicmd" ]; then if [[ "$KEYMAP" = "vicmd" ]]; then
max_cursor_pos=$((max_cursor_pos - 1)) max_cursor_pos=$((max_cursor_pos - 1))
fi fi
# Only accept if the cursor is at the end of the buffer # Only accept if the cursor is at the end of the buffer
if [ $CURSOR -eq $max_cursor_pos ]; then if [[ $CURSOR = $max_cursor_pos ]]; then
# Add the suggestion to the buffer # Add the suggestion to the buffer
BUFFER="$BUFFER$POSTDISPLAY" BUFFER="$BUFFER$POSTDISPLAY"
@ -165,7 +165,7 @@ _zsh_autosuggest_partial_accept() {
retval=$? retval=$?
# If we've moved past the end of the original buffer # If we've moved past the end of the original buffer
if [ $CURSOR -gt $#original_buffer ]; then if (( $CURSOR > $#original_buffer )); then
# Set POSTDISPLAY to text right of the cursor # Set POSTDISPLAY to text right of the cursor
POSTDISPLAY="$RBUFFER" POSTDISPLAY="$RBUFFER"

46
zsh-autosuggestions.zsh
View file

@ -209,13 +209,13 @@ _zsh_autosuggest_bind_widgets() {
# Find every widget we might want to bind and bind it appropriately # Find every widget we might want to bind and bind it appropriately
for widget in ${${(f)"$(builtin zle -la)"}:#${(j:|:)~ignore_widgets}}; do for widget in ${${(f)"$(builtin zle -la)"}:#${(j:|:)~ignore_widgets}}; do
if [ ${ZSH_AUTOSUGGEST_CLEAR_WIDGETS[(r)$widget]} ]; then if [[ -n ${ZSH_AUTOSUGGEST_CLEAR_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget clear _zsh_autosuggest_bind_widget $widget clear
elif [ ${ZSH_AUTOSUGGEST_ACCEPT_WIDGETS[(r)$widget]} ]; then elif [[ -n ${ZSH_AUTOSUGGEST_ACCEPT_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget accept _zsh_autosuggest_bind_widget $widget accept
elif [ ${ZSH_AUTOSUGGEST_EXECUTE_WIDGETS[(r)$widget]} ]; then elif [[ -n ${ZSH_AUTOSUGGEST_EXECUTE_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget execute _zsh_autosuggest_bind_widget $widget execute
elif [ ${ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS[(r)$widget]} ]; then elif [[ -n ${ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget partial_accept _zsh_autosuggest_bind_widget $widget partial_accept
else else
# Assume any unspecified widget might modify the buffer # Assume any unspecified widget might modify the buffer
@ -227,13 +227,13 @@ _zsh_autosuggest_bind_widgets() {
# Given the name of an original widget and args, invoke it, if it exists # Given the name of an original widget and args, invoke it, if it exists
_zsh_autosuggest_invoke_original_widget() { _zsh_autosuggest_invoke_original_widget() {
# Do nothing unless called with at least one arg # Do nothing unless called with at least one arg
[ $# -gt 0 ] || return (( $# )) || return
local original_widget_name="$1" local original_widget_name="$1"
shift shift
if [ $widgets[$original_widget_name] ]; then if (( ${+widgets[$original_widget_name]} )); then
zle $original_widget_name -- $@ zle $original_widget_name -- $@
fi fi
} }
@ -246,7 +246,7 @@ _zsh_autosuggest_invoke_original_widget() {
_zsh_autosuggest_highlight_reset() { _zsh_autosuggest_highlight_reset() {
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
if [ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]; then if [[ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]]; then
region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}") region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}")
unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
fi fi
@ -256,7 +256,7 @@ _zsh_autosuggest_highlight_reset() {
_zsh_autosuggest_highlight_apply() { _zsh_autosuggest_highlight_apply() {
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
if [ $#POSTDISPLAY -gt 0 ]; then if (( $#POSTDISPLAY )); then
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT="$#BUFFER $(($#BUFFER + $#POSTDISPLAY)) $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE" typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT="$#BUFFER $(($#BUFFER + $#POSTDISPLAY)) $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE"
region_highlight+=("$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT") region_highlight+=("$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT")
else else
@ -278,14 +278,14 @@ _zsh_autosuggest_disable() {
_zsh_autosuggest_enable() { _zsh_autosuggest_enable() {
unset _ZSH_AUTOSUGGEST_DISABLED unset _ZSH_AUTOSUGGEST_DISABLED
if [ $#BUFFER -gt 0 ]; then if (( $#BUFFER )); then
_zsh_autosuggest_fetch _zsh_autosuggest_fetch
fi fi
} }
# Toggle suggestions (enable/disable) # Toggle suggestions (enable/disable)
_zsh_autosuggest_toggle() { _zsh_autosuggest_toggle() {
if [ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]; then if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
_zsh_autosuggest_enable _zsh_autosuggest_enable
else else
_zsh_autosuggest_disable _zsh_autosuggest_disable
@ -319,35 +319,35 @@ _zsh_autosuggest_modify() {
retval=$? retval=$?
# Don't fetch a new suggestion if there's more input to be read immediately # Don't fetch a new suggestion if there's more input to be read immediately
if [[ $PENDING > 0 ]] || [[ $KEYS_QUEUED_COUNT > 0 ]]; then if (( $PENDING > 0 )) || (( $KEYS_QUEUED_COUNT > 0 )); then
return $retval return $retval
fi fi
# Optimize if manually typing in the suggestion # Optimize if manually typing in the suggestion
if [ $#BUFFER -gt $#orig_buffer ]; then if (( $#BUFFER > $#orig_buffer )); then
local added=${BUFFER#$orig_buffer} local added=${BUFFER#$orig_buffer}
# If the string added matches the beginning of the postdisplay # If the string added matches the beginning of the postdisplay
if [ "$added" = "${orig_postdisplay:0:$#added}" ]; then if [[ "$added" = "${orig_postdisplay:0:$#added}" ]]; then
POSTDISPLAY="${orig_postdisplay:$#added}" POSTDISPLAY="${orig_postdisplay:$#added}"
return $retval return $retval
fi fi
fi fi
# Don't fetch a new suggestion if the buffer hasn't changed # Don't fetch a new suggestion if the buffer hasn't changed
if [ "$BUFFER" = "$orig_buffer" ]; then if [[ "$BUFFER" = "$orig_buffer" ]]; then
POSTDISPLAY="$orig_postdisplay" POSTDISPLAY="$orig_postdisplay"
return $retval return $retval
fi fi
# Bail out if suggestions are disabled # Bail out if suggestions are disabled
if [ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]; then if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
return $? return $?
fi fi
# Get a new suggestion if the buffer is not empty after modification # Get a new suggestion if the buffer is not empty after modification
if [ $#BUFFER -gt 0 ]; then if (( $#BUFFER > 0 )); then
if [ -z "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" -o $#BUFFER -le "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" ]; then if [[ -z "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" ]] || (( $#BUFFER <= $ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE )); then
_zsh_autosuggest_fetch _zsh_autosuggest_fetch
fi fi
fi fi
@ -370,7 +370,7 @@ _zsh_autosuggest_fetch() {
_zsh_autosuggest_suggest() { _zsh_autosuggest_suggest() {
local suggestion="$1" local suggestion="$1"
if [ -n "$suggestion" ] && [ $#BUFFER -gt 0 ]; then if [[ -n "$suggestion" ]] && (( $#BUFFER )); then
POSTDISPLAY="${suggestion#$BUFFER}" POSTDISPLAY="${suggestion#$BUFFER}"
else else
unset POSTDISPLAY unset POSTDISPLAY
@ -383,12 +383,12 @@ _zsh_autosuggest_accept() {
# When vicmd keymap is active, the cursor can't move all the way # When vicmd keymap is active, the cursor can't move all the way
# to the end of the buffer # to the end of the buffer
if [ "$KEYMAP" = "vicmd" ]; then if [[ "$KEYMAP" = "vicmd" ]]; then
max_cursor_pos=$((max_cursor_pos - 1)) max_cursor_pos=$((max_cursor_pos - 1))
fi fi
# Only accept if the cursor is at the end of the buffer # Only accept if the cursor is at the end of the buffer
if [ $CURSOR -eq $max_cursor_pos ]; then if [[ $CURSOR = $max_cursor_pos ]]; then
# Add the suggestion to the buffer # Add the suggestion to the buffer
BUFFER="$BUFFER$POSTDISPLAY" BUFFER="$BUFFER$POSTDISPLAY"
@ -430,7 +430,7 @@ _zsh_autosuggest_partial_accept() {
retval=$? retval=$?
# If we've moved past the end of the original buffer # If we've moved past the end of the original buffer
if [ $CURSOR -gt $#original_buffer ]; then if (( $CURSOR > $#original_buffer )); then
# Set POSTDISPLAY to text right of the cursor # Set POSTDISPLAY to text right of the cursor
POSTDISPLAY="$RBUFFER" POSTDISPLAY="$RBUFFER"
@ -601,7 +601,7 @@ _zsh_autosuggest_async_pty_create() {
typeset -h REPLY typeset -h REPLY
# If we won't get a fd back from zpty, try to guess it # If we won't get a fd back from zpty, try to guess it
if [ $_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD -eq 0 ]; then if (( ! $_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD )); then
integer -l zptyfd integer -l zptyfd
exec {zptyfd}>&1 # Open a new file descriptor (above 10). exec {zptyfd}>&1 # Open a new file descriptor (above 10).
exec {zptyfd}>&- # Close it so it's free to be used by zpty. exec {zptyfd}>&- # Close it so it's free to be used by zpty.
@ -662,7 +662,7 @@ _zsh_autosuggest_start() {
# to the widget list variables to take effect on the next precmd. # to the widget list variables to take effect on the next precmd.
add-zsh-hook precmd _zsh_autosuggest_bind_widgets add-zsh-hook precmd _zsh_autosuggest_bind_widgets
if [ -n "${ZSH_AUTOSUGGEST_USE_ASYNC+x}" ]; then if [[ -n "${ZSH_AUTOSUGGEST_USE_ASYNC+x}" ]]; then
_zsh_autosuggest_async_start _zsh_autosuggest_async_start
fi fi
} }