mirror of
https://github.com/zsh-users/zsh-autosuggestions.git
synced 2024-12-23 10:21:15 +01:00
Allow completion suggestions from current shell
The `zsh -f` running in the PTY doesn't know about the non-exported variables and functions defined in the original shell, thus can't make suggestions for them. Run local functions in the PTY instead of a new `zsh` process. We have to handle things differently based on whether zle is active or not (async vs. sync mode).
This commit is contained in:
Eric Freese
parent
0a548c62f4
commit
6ffaec725a
2 changed files with 124 additions and 96 deletions
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@ -3,90 +3,104 @@
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# Completion Suggestion Strategy #
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#--------------------------------------------------------------------#
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# Fetches suggestions from zsh's completion engine
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# Based on https://github.com/Valodim/zsh-capture-completion
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#
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# Big thanks to https://github.com/Valodim/zsh-capture-completion
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_zsh_autosuggest_capture_completion() {
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zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME zsh -f -i
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local line
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setopt rcquotes
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() {
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# Initialize the pty env, blocking until null byte is seen
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME "source $1"
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zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line '*'$'\0'
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} =( <<< '
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exec 2>/dev/null # Silence any error messages
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autoload compinit
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compinit -d ~/.zcompdump_autosuggestions
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# Exit as soon as completion is finished
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comppostfuncs=( exit )
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_zsh_autosuggest_capture_setup() {
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zmodload zsh/zutil # For `zparseopts`
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# Never group stuff!
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zstyle '':completion:*'' list-grouped false
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zstyle ':completion:*' list-grouped false
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# no list separator, this saves some stripping later on
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zstyle '':completion:*'' list-separator ''''
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# No list separator, this saves some stripping later on
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zstyle ':completion:*' list-separator ''
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# we use zparseopts
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zmodload zsh/zutil
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# override compadd (this our hook)
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# Override compadd (this is our hook)
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compadd () {
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setopt localoptions norcexpandparam
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# Just delegate and leave if any of -O, -A or -D are given
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if [[ ${@[1,(i)(-|--)]} == *-(O|A|D)\ * ]]; then
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builtin compadd "$@"
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return $?
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fi
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setopt localoptions norcexpandparam extendedglob
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typeset -a __hits
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# Capture completions by injecting -A parameter into the compadd call.
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# This takes care of matching for us.
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typeset -a __hits
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builtin compadd -A __hits "$@"
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# Exit if no completion results
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[[ -n $__hits ]] || return
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# Extract prefixes and suffixes from compadd call. we can''t do zsh''s cool
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# -r remove-func magic, but it''s better than nothing.
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# Extract prefixes and suffixes from compadd call. we can't do zsh's cool
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# -r remove-func magic, but it's better than nothing.
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typeset -A apre hpre hsuf asuf
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zparseopts -E P:=apre p:=hpre S:=asuf s:=hsuf
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# Print the first match
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echo -nE - $''\0''$IPREFIX$apre$hpre$__hits[1]$dsuf$hsuf$asuf$''\0''
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echo -nE - $'\0'$IPREFIX$apre$hpre$__hits[1]$dsuf$hsuf$asuf$'\0'
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}
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}
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_zsh_autosuggest_capture_widget() {
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_zsh_autosuggest_capture_setup
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zle complete-word
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}
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zle -N autosuggest-capture-completion _zsh_autosuggest_capture_widget
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_zsh_autosuggest_capture_buffer() {
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local BUFFERCONTENT="$1"
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_zsh_autosuggest_capture_setup
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zmodload zsh/parameter # For `$functions`
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# Make vared completion work as if for a normal command line
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# https://stackoverflow.com/a/7057118/154703
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autoload +X _complete
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functions[_original_complete]=$functions[_complete]
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_complete () {
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unset 'compstate[vared]'
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_original_complete "$@"
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}
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# Signal setup completion by sending null byte
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echo $''\0''
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')
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# Open zle with buffer set so we can capture completions for it
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vared BUFFERCONTENT
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}
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# Send the string and a tab to trigger completion
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME "$*"$'\t'
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_zsh_autosuggest_capture_completion() {
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typeset -g completion
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local line
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# Read up to the start of the first result
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# Zle will be inactive if we are in async mode
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if zle; then
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zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME zle autosuggest-capture-completion
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else
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zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME "_zsh_autosuggest_capture_buffer '$1'"
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME $'\t'
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fi
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# The completion result is surrounded by null bytes, so read the
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# content between the first two null bytes.
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zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line '*'$'\0'
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# Read the first result
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zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line '*'$'\0'
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completion="${line%$'\0'}"
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# Print it, removing the trailing null byte
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echo -E - ${line%$'\0'}
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# Destroy the pty
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zpty -d $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME
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}
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_zsh_autosuggest_strategy_completion() {
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typeset -g suggestion=$(_zsh_autosuggest_capture_completion "$1" | head -n 1)
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typeset -g suggestion completion
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# Strip the trailing carriage return
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suggestion="${suggestion%$'\r'}"
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# Fetch the first completion result
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_zsh_autosuggest_capture_completion "$1"
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# Add the completion string to the buffer to build the full suggestion
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local -i i=1
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while [[ "$suggestion" != "${1[$i,-1]}"* ]]; do ((i++)); done
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suggestion="${1[1,$i-1]}$suggestion"
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while [[ "$completion" != "${1[$i,-1]}"* ]]; do ((i++)); done
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suggestion="${1[1,$i-1]}$completion"
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}
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@ -500,92 +500,106 @@ zle -N autosuggest-toggle _zsh_autosuggest_widget_toggle
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# Completion Suggestion Strategy #
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#--------------------------------------------------------------------#
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# Fetches suggestions from zsh's completion engine
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# Based on https://github.com/Valodim/zsh-capture-completion
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#
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# Big thanks to https://github.com/Valodim/zsh-capture-completion
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_zsh_autosuggest_capture_completion() {
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zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME zsh -f -i
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local line
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setopt rcquotes
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() {
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# Initialize the pty env, blocking until null byte is seen
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME "source $1"
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zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line '*'$'\0'
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} =( <<< '
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exec 2>/dev/null # Silence any error messages
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autoload compinit
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compinit -d ~/.zcompdump_autosuggestions
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# Exit as soon as completion is finished
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comppostfuncs=( exit )
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_zsh_autosuggest_capture_setup() {
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zmodload zsh/zutil # For `zparseopts`
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# Never group stuff!
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zstyle '':completion:*'' list-grouped false
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zstyle ':completion:*' list-grouped false
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# no list separator, this saves some stripping later on
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zstyle '':completion:*'' list-separator ''''
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# No list separator, this saves some stripping later on
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zstyle ':completion:*' list-separator ''
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# we use zparseopts
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zmodload zsh/zutil
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# override compadd (this our hook)
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# Override compadd (this is our hook)
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compadd () {
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setopt localoptions norcexpandparam
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# Just delegate and leave if any of -O, -A or -D are given
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if [[ ${@[1,(i)(-|--)]} == *-(O|A|D)\ * ]]; then
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builtin compadd "$@"
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return $?
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fi
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setopt localoptions norcexpandparam extendedglob
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typeset -a __hits
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# Capture completions by injecting -A parameter into the compadd call.
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# This takes care of matching for us.
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typeset -a __hits
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builtin compadd -A __hits "$@"
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# Exit if no completion results
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[[ -n $__hits ]] || return
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# Extract prefixes and suffixes from compadd call. we can''t do zsh''s cool
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# -r remove-func magic, but it''s better than nothing.
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# Extract prefixes and suffixes from compadd call. we can't do zsh's cool
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# -r remove-func magic, but it's better than nothing.
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typeset -A apre hpre hsuf asuf
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zparseopts -E P:=apre p:=hpre S:=asuf s:=hsuf
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# Print the first match
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echo -nE - $''\0''$IPREFIX$apre$hpre$__hits[1]$dsuf$hsuf$asuf$''\0''
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echo -nE - $'\0'$IPREFIX$apre$hpre$__hits[1]$dsuf$hsuf$asuf$'\0'
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}
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}
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_zsh_autosuggest_capture_widget() {
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_zsh_autosuggest_capture_setup
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zle complete-word
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}
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zle -N autosuggest-capture-completion _zsh_autosuggest_capture_widget
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_zsh_autosuggest_capture_buffer() {
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local BUFFERCONTENT="$1"
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_zsh_autosuggest_capture_setup
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zmodload zsh/parameter # For `$functions`
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# Make vared completion work as if for a normal command line
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# https://stackoverflow.com/a/7057118/154703
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autoload +X _complete
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functions[_original_complete]=$functions[_complete]
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_complete () {
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unset 'compstate[vared]'
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_original_complete "$@"
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}
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# Signal setup completion by sending null byte
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echo $''\0''
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')
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# Open zle with buffer set so we can capture completions for it
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vared BUFFERCONTENT
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}
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# Send the string and a tab to trigger completion
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME "$*"$'\t'
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_zsh_autosuggest_capture_completion() {
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typeset -g completion
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local line
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# Read up to the start of the first result
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# Zle will be inactive if we are in async mode
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if zle; then
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zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME zle autosuggest-capture-completion
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else
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zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME "_zsh_autosuggest_capture_buffer '$1'"
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zpty -w $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME $'\t'
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fi
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# The completion result is surrounded by null bytes, so read the
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# content between the first two null bytes.
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zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line '*'$'\0'
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# Read the first result
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zpty -r $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME line '*'$'\0'
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completion="${line%$'\0'}"
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# Print it, removing the trailing null byte
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echo -E - ${line%$'\0'}
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# Destroy the pty
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zpty -d $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME
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}
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_zsh_autosuggest_strategy_completion() {
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typeset -g suggestion=$(_zsh_autosuggest_capture_completion "$1" | head -n 1)
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typeset -g suggestion completion
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# Strip the trailing carriage return
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suggestion="${suggestion%$'\r'}"
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# Fetch the first completion result
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_zsh_autosuggest_capture_completion "$1"
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# Add the completion string to the buffer to build the full suggestion
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local -i i=1
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while [[ "$suggestion" != "${1[$i,-1]}"* ]]; do ((i++)); done
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suggestion="${1[1,$i-1]}$suggestion"
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while [[ "$completion" != "${1[$i,-1]}"* ]]; do ((i++)); done
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suggestion="${1[1,$i-1]}$completion"
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}
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#--------------------------------------------------------------------#
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