Unfunction kitty-integration in zsh
This commit is contained in:
Roman Perepelitsa
parent
59505d17d5
commit
9bba38bd11
@ -33,6 +33,7 @@ fi
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if [[ -r "$_ksi_file" ]]; then
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'builtin' 'autoload' '-Uz' '--' "$_ksi_file"
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"${_ksi_file:t}"
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'builtin' 'unfunction' '--' "${_ksi_file:t}"
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fi
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fi
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'builtin' 'unset' '_ksi_file'
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@ -12,6 +12,7 @@
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# if [[ -n $KITTY_INSTALLATION_DIR ]]; then
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# autoload -Uz -- "$KITTY_INSTALLATION_DIR"/shell-integration/zsh/kitty-integration
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# kitty-integration
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# unfunction kitty-integration
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# fi
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#
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# Implementation note: We can assume that alias expansion is disabled in this
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@ -23,244 +24,234 @@ builtin emulate -L zsh -o no_warn_create_global
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[[ -o interactive ]] || builtin return 0 # non-interactive shell
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[[ -n $KITTY_SHELL_INTEGRATION ]] || builtin return 0 # integration disabled
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(( ! _ksi_state )) || builtin return 0 # already initialized
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(( ! $+_ksi_state )) || builtin return 0 # already initialized
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if (( ! $+_ksi_state )); then
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# 0: not initialized; deferred initialization can start now.
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# 1: not initialized; waiting for deferred initialization.
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# 2: initialized; no OSC 133 [AC] marks have been written yet.
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# 3: initialized; the last written OSC 133 C has not been closed with D yet.
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# 4: initialized; none of the above.
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builtin typeset -gi _ksi_state=1
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# 0: no OSC 133 [AC] marks have been written yet.
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# 1: the last written OSC 133 C has not been closed with D yet.
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# 2: none of the above.
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builtin typeset -gi _ksi_state
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# Asks Kitty to print $@ to its stdout. This is for debugging.
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_ksi_debug_print() {
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builtin local data
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data=$(command base64 <<<"${(j: :}@}") || builtin return
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builtin printf '\eP@kitty-print|%s\e\\' "${data//$'\n'}"
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}
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# Asks Kitty to print $@ to its stdout. This is for debugging.
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_ksi_debug_print() {
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builtin local data
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data=$(command base64 <<<"${(j: :}@}") || builtin return
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builtin printf '\eP@kitty-print|%s\e\\' "${data//$'\n'}"
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}
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_ksi_deferred_init() {
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(( _ksi_state = 0, 1 )) # `, 1` in case err_return is set
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kitty-integration
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}
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# We defer initialization until precmd for several reasons:
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#
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# - Oh My Zsh and many other configs remove zle-line-init and
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# zle-line-finish hooks when they initialize.
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# - By deferring initialization we allow user rc files to opt out from some
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# parts of integration. For example, if a zshrc theme prints OSC 133
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# marks, it can append " no-prompt-mark" to KITTY_SHELL_INTEGRATION during
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# intialization to avoid redundant marks from our code.
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builtin typeset -ag precmd_functions
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precmd_functions+=(_ksi_deferred_init)
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# We defer initialization until precmd for several reasons:
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#
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# - Oh My Zsh and many other configs remove zle-line-init and
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# zle-line-finish hooks when they initialize.
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# - By deferring initialization we allow user rc files to opt out from some
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# parts of integration. For example, if a zshrc theme prints OSC 133
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# marks, it can append " no-prompt-mark" to KITTY_SHELL_INTEGRATION during
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# intialization to avoid redundant marks from our code.
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builtin typeset -ag precmd_functions
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precmd_functions+=(_ksi_deferred_init)
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builtin return
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fi
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_ksi_deferred_init() {
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builtin emulate -L zsh -o no_warn_create_global
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# The rest of kitty-integration performs deferred initialization. We are being
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# run from _ksi_deferred_init here.
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# Recognized options: no-cursor, no-title, no-prompt-mark, no-complete.
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builtin local -a opt
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opt=(${(s: :)KITTY_SHELL_INTEGRATION})
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unset KITTY_SHELL_INTEGRATION
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(( _ksi_state = 2 ))
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# The directory where kitty-integration is located: /.../shell-integration/zsh.
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builtin local self_dir=${functions_source[kitty-integration]:A:h}
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# The directory with _kitty. We store it in a directory of its own rather than
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# in $self_dir because we are adding it to fpath and we don't want any other
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# files to be accidentally autoloadable.
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builtin local comp_dir=$self_dir/completions
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# Recognized options: no-cursor, no-title, no-prompt-mark, no-complete.
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builtin local -a opt
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opt=(${(s: :)KITTY_SHELL_INTEGRATION})
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unset KITTY_SHELL_INTEGRATION
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# Enable completions for `kitty` command.
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if (( ! opt[(Ie)no-complete] )) && [[ -r $comp_dir/_kitty ]]; then
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if (( $+functions[compdef] )); then
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# If compdef is defined, then either compinit has already run or it's
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# a shim that records all calls for the purpose of replaying them after
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# compinit. Either way we clobber the existing completion for kitty and
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# install our own.
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builtin unset "functions[_kitty]"
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builtin autoload -Uz -- $comp_dir/_kitty
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compdef _kitty kitty
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fi
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# The directory where kitty-integration is located: /.../shell-integration/zsh.
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builtin local self_dir=${functions_source[kitty-integration]:A:h}
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# The directory with _kitty. We store it in a directory of its own rather than
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# in $self_dir because we are adding it to fpath and we don't want any other
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# files to be accidentally autoloadable.
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builtin local comp_dir=$self_dir/completions
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# Enable completions for `kitty` command.
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if (( ! opt[(Ie)no-complete] )) && [[ -r $comp_dir/_kitty ]]; then
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if (( $+functions[compdef] )); then
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# If compdef is defined, then either compinit has already run or it's
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# a shim that records all calls for the purpose of replaying them after
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# compinit. Either way we clobber the existing completion for kitty and
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# install our own.
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builtin unset "functions[_kitty]"
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builtin autoload -Uz -- $comp_dir/_kitty
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compdef _kitty kitty
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# If compdef is not set, compinit has not run yet. In this case we must
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# add our completions directory to fpath so that _kitty gets picked up by
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# compinit.
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#
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# We extend fpath even if compinit has run because it might run again.
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# Without our completions directory in fpath compinit would our _comp
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# mapping.
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builtin typeset -ga fpath
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fpath=($comp_dir ${fpath:#$comp_dir})
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fi
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# If compdef is not set, compinit has not run yet. In this case we must
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# add our completions directory to fpath so that _kitty gets picked up by
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# compinit.
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#
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# We extend fpath even if compinit has run because it might run again.
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# Without our completions directory in fpath compinit would our _comp
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# mapping.
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builtin typeset -ga fpath
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fpath=($comp_dir ${fpath:#$comp_dir})
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fi
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# Enable cursor shape changes depending on the current keymap.
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if (( ! opt[(Ie)no-cursor] )); then
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# This implementation leaks blinking block cursor into external commands
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# executed from zle. For example, users of fzf-based widgets may find
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# themselves with a blinking block cursor within fzf.
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_ksi_zle_line_init _ksi_zle_line_finish _ksi_zle_keymap_select() {
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case ${KEYMAP-} in
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vicmd|visual) builtin print -n '\e[1 q';; # blinking block cursor
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*) builtin print -n '\e[5 q';; # blinking bar cursor
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esac
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}
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fi
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# Enable cursor shape changes depending on the current keymap.
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if (( ! opt[(Ie)no-cursor] )); then
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# This implementation leaks blinking block cursor into external commands
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# executed from zle. For example, users of fzf-based widgets may find
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# themselves with a blinking block cursor within fzf.
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_ksi_zle_line_init _ksi_zle_line_finish _ksi_zle_keymap_select() {
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case ${KEYMAP-} in
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vicmd|visual) builtin print -n '\e[1 q';; # blinking block cursor
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*) builtin print -n '\e[5 q';; # blinking bar cursor
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esac
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}
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fi
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# Enable semantic markup with OSC 133.
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if (( ! opt[(Ie)no-prompt-mark] )); then
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_ksi_precmd() {
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builtin local -i cmd_status=$?
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builtin emulate -L zsh -o no_warn_create_global
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# Enable semantic markup with OSC 133.
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if (( ! opt[(Ie)no-prompt-mark] )); then
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_ksi_precmd() {
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builtin local -i cmd_status=$?
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builtin emulate -L zsh -o no_warn_create_global
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# Don't write OSC 133 D when our precmd handler is invoked from zle.
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# Some plugins do that to update prompt on cd.
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if ! builtin zle; then
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# This code works incorrectly in the presence of a precmd or chpwd
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# hook that prints. For example, sindresorhus/pure prints an empty
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# line on precmd and marlonrichert/zsh-snap prints $PWD on chpwd.
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# We'll end up writing our OSC 133 D mark too late.
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#
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# Another failure mode is when the output of a command doesn't end
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# with LF and prompst_sp is set (it is by default). In this case
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# we'll incorrectly state that '%' from prompt_sp is a part of the
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# command's output.
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if (( _ksi_state == 3 )); then
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# The last written OSC 133 C has not been closed with D yet.
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# Close it and supply status.
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builtin printf '\e]133;D;%s\a' $cmd_status
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(( _ksi_state = 4 ))
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elif (( _ksi_state == 4 )); then
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# There might be an unclosed OSC 133 C. Close that.
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builtin print -n '\e]133;D\a'
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fi
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fi
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builtin local mark1=$'%{\e]133;A\a%}'
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if [[ -o prompt_percent ]]; then
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builtin typeset -g precmd_functions
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if [[ ${precmd_functions[-1]} == _ksi_precmd ]]; then
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# This is the best case for us: we can add our marks to PS1 and
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# PS2. This way our marks will be printed whenever zsh
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# redisplays prompt: on reset-prompt, on SIGWINCH, and on
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# SIGCHLD if notify is set. Themes that update prompt
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# asynchronously from a `zle -F` handler might still remove our
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# marks. Oh well.
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builtin local mark2=$'%{\e]133;A;k=s\a%}'
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# Add marks conditionally to avoid a situation where we have
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# several marks in place. These conditions can have false
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# positives and false negatives though.
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# Don't write OSC 133 D when our precmd handler is invoked from zle.
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# Some plugins do that to update prompt on cd.
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if ! builtin zle; then
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# This code works incorrectly in the presence of a precmd or chpwd
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# hook that prints. For example, sindresorhus/pure prints an empty
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# line on precmd and marlonrichert/zsh-snap prints $PWD on chpwd.
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# We'll end up writing our OSC 133 D mark too late.
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#
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# - False positive (with prompt_percent): PS1="%(?.$mark1.)"
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# - False negative (with prompt_subst): PS1='$mark1'
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[[ $PS1 == *$mark1* ]] || PS1=${mark1}${PS1}
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[[ $PS2 == *$mark2* ]] || PS2=${mark2}${PS2}
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(( _ksi_state = 4 ))
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else
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# If our precmd hook is not the last, we cannot rely on prompt
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# changes to stick, so we don't even try. At least we can move
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# our hook to the end to have better luck next time. If there is
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# another piece of code that wants to take this privileged
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# position, this won't work well. We'll break them as much as
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# they are breaking us.
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precmd_functions=(${precmd_functions:#_ksi_precmd} _ksi_precmd)
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# Plugins that invoke precmd hooks from zle do that before zle
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# is trashed. This means that the cursor is in the middle of
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# BUFFER and we cannot print our mark there. Prompt might
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# already have a mark, so the following reset-prompt will write
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# it. If it doesn't, there is nothing we can do.
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if ! builtin zle; then
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builtin print -rn -- $mark1[3,-3]
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(( _ksi_state = 4 ))
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# Another failure mode is when the output of a command doesn't end
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# with LF and prompst_sp is set (it is by default). In this case
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# we'll incorrectly state that '%' from prompt_sp is a part of the
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# command's output.
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if (( _ksi_state == 1 )); then
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# The last written OSC 133 C has not been closed with D yet.
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# Close it and supply status.
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builtin printf '\e]133;D;%s\a' $cmd_status
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(( _ksi_state = 2 ))
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elif (( _ksi_state == 2 )); then
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# There might be an unclosed OSC 133 C. Close that.
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builtin print -n '\e]133;D\a'
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fi
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fi
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elif ! builtin zle; then
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# Without prompt_percent we cannot patch prompt. Just print the
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# mark, except when we are invoked from zle. In the latter case we
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# cannot do anything.
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builtin print -rn -- $mark1[3,-3]
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(( _ksi_state = 4 ))
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fi
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}
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_ksi_preexec() {
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builtin emulate -L zsh -o no_warn_create_global
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builtin local mark1=$'%{\e]133;A\a%}'
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if [[ -o prompt_percent ]]; then
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builtin typeset -g precmd_functions
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if [[ ${precmd_functions[-1]} == _ksi_precmd ]]; then
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# This is the best case for us: we can add our marks to PS1 and
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# PS2. This way our marks will be printed whenever zsh
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# redisplays prompt: on reset-prompt, on SIGWINCH, and on
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# SIGCHLD if notify is set. Themes that update prompt
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# asynchronously from a `zle -F` handler might still remove our
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# marks. Oh well.
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builtin local mark2=$'%{\e]133;A;k=s\a%}'
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# Add marks conditionally to avoid a situation where we have
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# several marks in place. These conditions can have false
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# positives and false negatives though.
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#
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# - False positive (with prompt_percent): PS1="%(?.$mark1.)"
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# - False negative (with prompt_subst): PS1='$mark1'
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[[ $PS1 == *$mark1* ]] || PS1=${mark1}${PS1}
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[[ $PS2 == *$mark2* ]] || PS2=${mark2}${PS2}
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(( _ksi_state = 2 ))
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else
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# If our precmd hook is not the last, we cannot rely on prompt
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# changes to stick, so we don't even try. At least we can move
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# our hook to the end to have better luck next time. If there is
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# another piece of code that wants to take this privileged
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# position, this won't work well. We'll break them as much as
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# they are breaking us.
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precmd_functions=(${precmd_functions:#_ksi_precmd} _ksi_precmd)
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# Plugins that invoke precmd hooks from zle do that before zle
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# is trashed. This means that the cursor is in the middle of
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# BUFFER and we cannot print our mark there. Prompt might
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# already have a mark, so the following reset-prompt will write
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# it. If it doesn't, there is nothing we can do.
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if ! builtin zle; then
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builtin print -rn -- $mark1[3,-3]
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(( _ksi_state = 2 ))
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fi
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fi
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elif ! builtin zle; then
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# Without prompt_percent we cannot patch prompt. Just print the
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# mark, except when we are invoked from zle. In the latter case we
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# cannot do anything.
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builtin print -rn -- $mark1[3,-3]
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(( _ksi_state = 2 ))
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fi
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}
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# This can potentially break user prompt. Oh well. The robustness of
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# this code can be improved in the case prompt_subst is set because
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# it'll allow us distinguish (not perfectly but close enough) between
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# our own prompt, user prompt, and our own prompt with user additions on
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# top. We cannot force prompt_subst on the user though, so we would
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# still need this code for the no_prompt_subst case.
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PS1=${PS1//$'%{\e]133;A\a%}'}
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PS2=${PS2//$'%{\e]133;A;k=s\a%}'}
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_ksi_preexec() {
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builtin emulate -L zsh -o no_warn_create_global
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# This will work incorrectly in the presence of a preexec hook that
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# prints. For example, if MichaelAquilina/zsh-you-should-use installs
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# its preexec hook before us, we'll incorrectly mark its output as
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# belonging to the command (as if the user typed it into zle) rather
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# than command output.
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builtin print -n '\e]133;C\a'
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(( _ksi_state = 3 ))
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}
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# This can potentially break user prompt. Oh well. The robustness of
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# this code can be improved in the case prompt_subst is set because
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# it'll allow us distinguish (not perfectly but close enough) between
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# our own prompt, user prompt, and our own prompt with user additions on
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# top. We cannot force prompt_subst on the user though, so we would
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# still need this code for the no_prompt_subst case.
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PS1=${PS1//$'%{\e]133;A\a%}'}
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PS2=${PS2//$'%{\e]133;A;k=s\a%}'}
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functions[_ksi_zle_line_init]+='
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builtin print -n "\\e]133;B\\a"'
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fi
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# This will work incorrectly in the presence of a preexec hook that
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# prints. For example, if MichaelAquilina/zsh-you-should-use installs
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# its preexec hook before us, we'll incorrectly mark its output as
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# belonging to the command (as if the user typed it into zle) rather
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# than command output.
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builtin print -n '\e]133;C\a'
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(( _ksi_state = 1 ))
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}
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# Enable terminal title changes.
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if (( ! opt[(Ie)no-title] )); then
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# We don't use `print -P` because it depends on prompt options, which
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# we don't control and cannot change.
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functions[_ksi_zle_line_init]+='
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builtin print -n "\\e]133;B\\a"'
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fi
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# Enable terminal title changes.
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if (( ! opt[(Ie)no-title] )); then
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# We don't use `print -P` because it depends on prompt options, which
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# we don't control and cannot change.
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#
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# We use (V) in preexec to convert control characters to something visible
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# (LF becomes \n, etc.). This isn't necessary in precmd because (%) does it
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# for us.
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functions[_ksi_precmd]+='
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builtin printf "\\e]2;%s\\a" "${(%):-%(4~|…/%3~|%~)}"'
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functions[_ksi_preexec]+='
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builtin printf "\\e]2;%s\\a" "${(V)1}"'
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fi
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# Some zsh users manually run `source ~/.zshrc` in order to apply rc file
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# changes to the current shell. This is a terrible practice that breaks many
|
||||
# things, including our shell integration. For example, Oh My Zsh and Prezto
|
||||
# (both very popular among zsh users) will remove zle-line-init and
|
||||
# zle-line-finish hooks if .zshrc is manually sourced. Prezto will also remove
|
||||
# zle-keymap-select.
|
||||
#
|
||||
# We use (V) in preexec to convert control characters to something visible
|
||||
# (LF becomes \n, etc.). This isn't necessary in precmd because (%) does it
|
||||
# for us.
|
||||
functions[_ksi_precmd]+='
|
||||
builtin printf "\\e]2;%s\\a" "${(%):-%(4~|…/%3~|%~)}"'
|
||||
functions[_ksi_preexec]+='
|
||||
builtin printf "\\e]2;%s\\a" "${(V)1}"'
|
||||
fi
|
||||
# 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
|
||||
add-zle-hook-widget line-finish _ksi_zle_line_finish
|
||||
fi
|
||||
if (( $+functions[_ksi_zle_keymap_select] )); then
|
||||
add-zle-hook-widget keymap-select _ksi_zle_keymap_select
|
||||
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
|
||||
add-zle-hook-widget line-init _ksi_zle_line_init
|
||||
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
|
||||
add-zle-hook-widget keymap-select _ksi_zle_keymap_select
|
||||
fi
|
||||
if (( $+functions[_ksi_preexec] )); then
|
||||
builtin typeset -ag preexec_functions
|
||||
preexec_functions+=(_ksi_preexec)
|
||||
fi
|
||||
|
||||
if (( $+functions[_ksi_preexec] )); then
|
||||
builtin typeset -ag preexec_functions
|
||||
preexec_functions+=(_ksi_preexec)
|
||||
fi
|
||||
builtin typeset -ag precmd_functions
|
||||
if (( $+functions[_ksi_precmd] )); then
|
||||
precmd_functions=(${precmd_functions:/_ksi_deferred_init/_ksi_precmd})
|
||||
_ksi_precmd
|
||||
else
|
||||
precmd_functions=(${precmd_functions:#_ksi_deferred_init})
|
||||
fi
|
||||
|
||||
builtin typeset -ag precmd_functions
|
||||
if (( $+functions[_ksi_precmd] )); then
|
||||
precmd_functions=(${precmd_functions:/_ksi_deferred_init/_ksi_precmd})
|
||||
_ksi_precmd
|
||||
else
|
||||
precmd_functions=(${precmd_functions:#_ksi_deferred_init})
|
||||
fi
|
||||
|
||||
# Unfunction what we don't need to save memory.
|
||||
builtin unfunction _ksi_deferred_init kitty-integration
|
||||
builtin autoload -Uz -- $self_dir/kitty-integration
|
||||
# Unfunction _ksi_deferred_init to save memory. Don't unfunction
|
||||
# kitty-integration though because decent public functions aren't supposed to
|
||||
# to unfunction themselves when invoked.
|
||||
builtin unfunction _ksi_deferred_init
|
||||
}
|
||||
|
||||
@ -16,5 +16,6 @@
|
||||
if [[ -r "$_ksi_file" ]]; then
|
||||
'builtin' 'autoload' '-Uz' '--' "$_ksi_file"
|
||||
"${_ksi_file:t}"
|
||||
'builtin' 'unfunction' '--' "${_ksi_file:t}"
|
||||
fi
|
||||
'builtin' 'unset' '_ksi_file'
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user