Unfunction kitty-integration in zsh

This commit is contained in:
Roman Perepelitsa 2021-12-23 18:13:49 +01:00
parent 59505d17d5
commit 9bba38bd11
3 changed files with 210 additions and 217 deletions

View File

@ -33,6 +33,7 @@ fi
if [[ -r "$_ksi_file" ]]; then
'builtin' 'autoload' '-Uz' '--' "$_ksi_file"
"${_ksi_file:t}"
'builtin' 'unfunction' '--' "${_ksi_file:t}"
fi
fi
'builtin' 'unset' '_ksi_file'

View File

@ -12,6 +12,7 @@
# if [[ -n $KITTY_INSTALLATION_DIR ]]; then
# autoload -Uz -- "$KITTY_INSTALLATION_DIR"/shell-integration/zsh/kitty-integration
# kitty-integration
# unfunction kitty-integration
# fi
#
# Implementation note: We can assume that alias expansion is disabled in this
@ -23,60 +24,48 @@ builtin emulate -L zsh -o no_warn_create_global
[[ -o interactive ]] || builtin return 0 # non-interactive shell
[[ -n $KITTY_SHELL_INTEGRATION ]] || builtin return 0 # integration disabled
(( ! _ksi_state )) || builtin return 0 # already initialized
(( ! $+_ksi_state )) || builtin return 0 # already initialized
if (( ! $+_ksi_state )); then
# 0: not initialized; deferred initialization can start now.
# 1: not initialized; waiting for deferred initialization.
# 2: initialized; no OSC 133 [AC] marks have been written yet.
# 3: initialized; the last written OSC 133 C has not been closed with D yet.
# 4: initialized; none of the above.
builtin typeset -gi _ksi_state=1
# 0: no OSC 133 [AC] marks have been written yet.
# 1: the last written OSC 133 C has not been closed with D yet.
# 2: none of the above.
builtin typeset -gi _ksi_state
# Asks Kitty to print $@ to its stdout. This is for debugging.
_ksi_debug_print() {
# Asks Kitty to print $@ to its stdout. This is for debugging.
_ksi_debug_print() {
builtin local data
data=$(command base64 <<<"${(j: :}@}") || builtin return
builtin printf '\eP@kitty-print|%s\e\\' "${data//$'\n'}"
}
}
_ksi_deferred_init() {
(( _ksi_state = 0, 1 )) # `, 1` in case err_return is set
kitty-integration
}
# We defer initialization until precmd for several reasons:
#
# - Oh My Zsh and many other configs remove zle-line-init and
# zle-line-finish hooks when they initialize.
# - By deferring initialization we allow user rc files to opt out from some
# parts of integration. For example, if a zshrc theme prints OSC 133
# marks, it can append " no-prompt-mark" to KITTY_SHELL_INTEGRATION during
# intialization to avoid redundant marks from our code.
builtin typeset -ag precmd_functions
precmd_functions+=(_ksi_deferred_init)
# We defer initialization until precmd for several reasons:
#
# - Oh My Zsh and many other configs remove zle-line-init and
# zle-line-finish hooks when they initialize.
# - By deferring initialization we allow user rc files to opt out from some
# parts of integration. For example, if a zshrc theme prints OSC 133
# marks, it can append " no-prompt-mark" to KITTY_SHELL_INTEGRATION during
# intialization to avoid redundant marks from our code.
builtin typeset -ag precmd_functions
precmd_functions+=(_ksi_deferred_init)
builtin return
fi
_ksi_deferred_init() {
builtin emulate -L zsh -o no_warn_create_global
# The rest of kitty-integration performs deferred initialization. We are being
# run from _ksi_deferred_init here.
# Recognized options: no-cursor, no-title, no-prompt-mark, no-complete.
builtin local -a opt
opt=(${(s: :)KITTY_SHELL_INTEGRATION})
unset KITTY_SHELL_INTEGRATION
(( _ksi_state = 2 ))
# The directory where kitty-integration is located: /.../shell-integration/zsh.
builtin local self_dir=${functions_source[kitty-integration]:A:h}
# The directory with _kitty. We store it in a directory of its own rather than
# in $self_dir because we are adding it to fpath and we don't want any other
# files to be accidentally autoloadable.
builtin local comp_dir=$self_dir/completions
# Recognized options: no-cursor, no-title, no-prompt-mark, no-complete.
builtin local -a opt
opt=(${(s: :)KITTY_SHELL_INTEGRATION})
unset KITTY_SHELL_INTEGRATION
# The directory where kitty-integration is located: /.../shell-integration/zsh.
builtin local self_dir=${functions_source[kitty-integration]:A:h}
# The directory with _kitty. We store it in a directory of its own rather than
# in $self_dir because we are adding it to fpath and we don't want any other
# files to be accidentally autoloadable.
builtin local comp_dir=$self_dir/completions
# Enable completions for `kitty` command.
if (( ! opt[(Ie)no-complete] )) && [[ -r $comp_dir/_kitty ]]; then
# Enable completions for `kitty` command.
if (( ! opt[(Ie)no-complete] )) && [[ -r $comp_dir/_kitty ]]; then
if (( $+functions[compdef] )); then
# If compdef is defined, then either compinit has already run or it's
# a shim that records all calls for the purpose of replaying them after
@ -96,10 +85,10 @@ if (( ! opt[(Ie)no-complete] )) && [[ -r $comp_dir/_kitty ]]; then
# mapping.
builtin typeset -ga fpath
fpath=($comp_dir ${fpath:#$comp_dir})
fi
fi
# Enable cursor shape changes depending on the current keymap.
if (( ! opt[(Ie)no-cursor] )); then
# Enable cursor shape changes depending on the current keymap.
if (( ! opt[(Ie)no-cursor] )); then
# This implementation leaks blinking block cursor into external commands
# executed from zle. For example, users of fzf-based widgets may find
# themselves with a blinking block cursor within fzf.
@ -109,10 +98,10 @@ if (( ! opt[(Ie)no-cursor] )); then
*) builtin print -n '\e[5 q';; # blinking bar cursor
esac
}
fi
fi
# Enable semantic markup with OSC 133.
if (( ! opt[(Ie)no-prompt-mark] )); then
# Enable semantic markup with OSC 133.
if (( ! opt[(Ie)no-prompt-mark] )); then
_ksi_precmd() {
builtin local -i cmd_status=$?
builtin emulate -L zsh -o no_warn_create_global
@ -129,12 +118,12 @@ if (( ! opt[(Ie)no-prompt-mark] )); then
# with LF and prompst_sp is set (it is by default). In this case
# we'll incorrectly state that '%' from prompt_sp is a part of the
# command's output.
if (( _ksi_state == 3 )); then
if (( _ksi_state == 1 )); then
# The last written OSC 133 C has not been closed with D yet.
# Close it and supply status.
builtin printf '\e]133;D;%s\a' $cmd_status
(( _ksi_state = 4 ))
elif (( _ksi_state == 4 )); then
(( _ksi_state = 2 ))
elif (( _ksi_state == 2 )); then
# There might be an unclosed OSC 133 C. Close that.
builtin print -n '\e]133;D\a'
fi
@ -159,7 +148,7 @@ if (( ! opt[(Ie)no-prompt-mark] )); then
# - False negative (with prompt_subst): PS1='$mark1'
[[ $PS1 == *$mark1* ]] || PS1=${mark1}${PS1}
[[ $PS2 == *$mark2* ]] || PS2=${mark2}${PS2}
(( _ksi_state = 4 ))
(( _ksi_state = 2 ))
else
# If our precmd hook is not the last, we cannot rely on prompt
# changes to stick, so we don't even try. At least we can move
@ -175,7 +164,7 @@ if (( ! opt[(Ie)no-prompt-mark] )); then
# it. If it doesn't, there is nothing we can do.
if ! builtin zle; then
builtin print -rn -- $mark1[3,-3]
(( _ksi_state = 4 ))
(( _ksi_state = 2 ))
fi
fi
elif ! builtin zle; then
@ -183,7 +172,7 @@ if (( ! opt[(Ie)no-prompt-mark] )); then
# mark, except when we are invoked from zle. In the latter case we
# cannot do anything.
builtin print -rn -- $mark1[3,-3]
(( _ksi_state = 4 ))
(( _ksi_state = 2 ))
fi
}
@ -205,15 +194,15 @@ if (( ! opt[(Ie)no-prompt-mark] )); then
# belonging to the command (as if the user typed it into zle) rather
# than command output.
builtin print -n '\e]133;C\a'
(( _ksi_state = 3 ))
(( _ksi_state = 1 ))
}
functions[_ksi_zle_line_init]+='
builtin print -n "\\e]133;B\\a"'
fi
fi
# Enable terminal title changes.
if (( ! opt[(Ie)no-title] )); then
# Enable terminal title changes.
if (( ! opt[(Ie)no-title] )); then
# We don't use `print -P` because it depends on prompt options, which
# we don't control and cannot change.
#
@ -224,43 +213,45 @@ if (( ! opt[(Ie)no-title] )); then
builtin printf "\\e]2;%s\\a" "${(%):-%(4~|…/%3~|%~)}"'
functions[_ksi_preexec]+='
builtin printf "\\e]2;%s\\a" "${(V)1}"'
fi
fi
# Some zsh users manually run `source ~/.zshrc` in order to apply rc file
# changes to the current shell. This is a terrible practice that breaks many
# things, including our shell integration. For example, Oh My Zsh and Prezto
# (both very popular among zsh users) will remove zle-line-init and
# zle-line-finish hooks if .zshrc is manually sourced. Prezto will also remove
# zle-keymap-select.
#
# Another common (and much more robust) way to apply rc file changes to the
# current shell is `exec zsh`. This will remove our integration from the shell
# unless it's explicitly invoked from .zshrc. This is not an issue with
# `exec zsh` but rather with our implementation of automatic shell integration.
builtin autoload -Uz add-zle-hook-widget
if (( $+functions[_ksi_zle_line_init] )); then
# Some zsh users manually run `source ~/.zshrc` in order to apply rc file
# changes to the current shell. This is a terrible practice that breaks many
# things, including our shell integration. For example, Oh My Zsh and Prezto
# (both very popular among zsh users) will remove zle-line-init and
# zle-line-finish hooks if .zshrc is manually sourced. Prezto will also remove
# zle-keymap-select.
#
# Another common (and much more robust) way to apply rc file changes to the
# current shell is `exec zsh`. This will remove our integration from the shell
# unless it's explicitly invoked from .zshrc. This is not an issue with
# `exec zsh` but rather with our implementation of automatic shell integration.
builtin autoload -Uz add-zle-hook-widget
if (( $+functions[_ksi_zle_line_init] )); then
add-zle-hook-widget line-init _ksi_zle_line_init
fi
if (( $+functions[_ksi_zle_line_finish] )); then
fi
if (( $+functions[_ksi_zle_line_finish] )); then
add-zle-hook-widget line-finish _ksi_zle_line_finish
fi
if (( $+functions[_ksi_zle_keymap_select] )); then
fi
if (( $+functions[_ksi_zle_keymap_select] )); then
add-zle-hook-widget keymap-select _ksi_zle_keymap_select
fi
fi
if (( $+functions[_ksi_preexec] )); then
if (( $+functions[_ksi_preexec] )); then
builtin typeset -ag preexec_functions
preexec_functions+=(_ksi_preexec)
fi
fi
builtin typeset -ag precmd_functions
if (( $+functions[_ksi_precmd] )); then
builtin typeset -ag precmd_functions
if (( $+functions[_ksi_precmd] )); then
precmd_functions=(${precmd_functions:/_ksi_deferred_init/_ksi_precmd})
_ksi_precmd
else
else
precmd_functions=(${precmd_functions:#_ksi_deferred_init})
fi
fi
# Unfunction what we don't need to save memory.
builtin unfunction _ksi_deferred_init kitty-integration
builtin autoload -Uz -- $self_dir/kitty-integration
# Unfunction _ksi_deferred_init to save memory. Don't unfunction
# kitty-integration though because decent public functions aren't supposed to
# to unfunction themselves when invoked.
builtin unfunction _ksi_deferred_init
}

View File

@ -16,5 +16,6 @@
if [[ -r "$_ksi_file" ]]; then
'builtin' 'autoload' '-Uz' '--' "$_ksi_file"
"${_ksi_file:t}"
'builtin' 'unfunction' '--' "${_ksi_file:t}"
fi
'builtin' 'unset' '_ksi_file'