comparison .zfun/zsh-autosuggestions/src/strategies/default.zsh @ 467:e1ce8897030d

zsh: import df6f6f9ff41 of zsh-autosuggestions
author Augie Fackler <raf@durin42.com>
date Mon, 03 Dec 2018 22:37:29 -0500
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466:f248cf012d9a 467:e1ce8897030d
1
2 #--------------------------------------------------------------------#
3 # History Suggestion Strategy #
4 #--------------------------------------------------------------------#
5 # Suggests the most recent history item that matches the given
6 # prefix.
7 #
8
9 _zsh_autosuggest_strategy_history() {
10 # Reset options to defaults and enable LOCAL_OPTIONS
11 emulate -L zsh
12
13 # Enable globbing flags so that we can use (#m)
14 setopt EXTENDED_GLOB
15
16 # Escape backslashes and all of the glob operators so we can use
17 # this string as a pattern to search the $history associative array.
18 # - (#m) globbing flag enables setting references for match data
19 # TODO: Use (b) flag when we can drop support for zsh older than v5.0.8
20 local prefix="${1//(#m)[\\*?[\]<>()|^~#]/\\$MATCH}"
21
22 # Get the history items that match
23 # - (r) subscript flag makes the pattern match on values
24 typeset -g suggestion="${history[(r)${prefix}*]}"
25 }