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