view .zfun/zsh-autosuggestions/src/strategies/default.zsh @ 526:852565046ed0 default tip

zsh: fidget with screen/tmux message This should speed things up very slightly by avoiding some `grep` action in the common case of no detached screens/tmuxes.
author Augie Fackler <raf@durin42.com>
date Mon, 14 Nov 2022 11:02:35 -0500
parents e1ce8897030d
children
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#--------------------------------------------------------------------#
# 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)
	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
	# - (r) subscript flag makes the pattern match on values
	typeset -g suggestion="${history[(r)${prefix}*]}"
}