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642 lines
25 KiB
642 lines
25 KiB
#!/usr/bin/env zsh |
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# |
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# This is a clean-room implementation of the Fish[1] shell's history search |
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# feature, where you can type in any part of any previously entered command |
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# and press the UP and DOWN arrow keys to cycle through the matching commands. |
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# |
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#----------------------------------------------------------------------------- |
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# Usage |
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#----------------------------------------------------------------------------- |
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# |
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# 1. Load this script into your interactive ZSH session: |
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# |
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# % source history-substring-search.zsh |
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# |
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# If you want to use the zsh-syntax-highlighting[6] script along with this |
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# script, then make sure that you load it *before* you load this script: |
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# |
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# % source zsh-syntax-highlighting.zsh |
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# % source history-substring-search.zsh |
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# |
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# 2. Type any part of any previous command and then: |
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# |
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# * Press the UP arrow key to select the nearest command that (1) contains |
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# your query and (2) is older than the current command in the command |
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# history. |
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# |
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# * Press the DOWN arrow key to select the nearest command that (1) |
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# contains your query and (2) is newer than the current command in the |
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# command history. |
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# |
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# * Press ^U (the Control and U keys simultaneously) to abort the search. |
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# |
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# 3. If a matching command spans more than one line of text, press the LEFT |
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# arrow key to move the cursor away from the end of the command, and then: |
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# |
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# * Press the UP arrow key to move the cursor to the line above. When the |
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# cursor reaches the first line of the command, pressing the UP arrow |
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# key again will cause this script to perform another search. |
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# |
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# * Press the DOWN arrow key to move the cursor to the line below. When |
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# the cursor reaches the last line of the command, pressing the DOWN |
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# arrow key again will cause this script to perform another search. |
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# |
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#----------------------------------------------------------------------------- |
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# Configuration |
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#----------------------------------------------------------------------------- |
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# |
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# This script defines the following global variables. You may override their |
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# default values only after having loaded this script into your ZSH session. |
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# |
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# * HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND is a global variable that defines |
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# how the query should be highlighted inside a matching command. Its default |
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# value causes this script to highlight using bold, white text on a magenta |
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# background. See the "Character Highlighting" section in the zshzle(1) man |
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# page to learn about the kinds of values you may assign to this variable. |
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# |
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# * HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND is a global variable that |
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# defines how the query should be highlighted when no commands in the |
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# history match it. Its default value causes this script to highlight using |
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# bold, white text on a red background. See the "Character Highlighting" |
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# section in the zshzle(1) man page to learn about the kinds of values you |
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# may assign to this variable. |
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# |
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# * HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS is a global variable that defines |
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# how the command history will be searched for your query. Its default value |
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# causes this script to perform a case-insensitive search. See the "Globbing |
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# Flags" section in the zshexpn(1) man page to learn about the kinds of |
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# values you may assign to this variable. |
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# |
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#----------------------------------------------------------------------------- |
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# History |
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#----------------------------------------------------------------------------- |
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# |
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# This script was originally written by Peter Stephenson[2], who published it |
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# to the ZSH users mailing list (thereby making it public domain) in September |
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# 2009. It was later revised by Guido van Steen and released under the BSD |
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# license (see below) as part of the fizsh[3] project in January 2011. |
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# |
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# It was later extracted from fizsh[3] release 1.0.1, refactored heavily, and |
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# repackaged as both an oh-my-zsh plugin[4] and as an independently loadable |
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# ZSH script[5] by Suraj N. Kurapati in 2011. |
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# |
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# It was further developed[4] by Guido van Steen, Suraj N. Kurapati, Sorin |
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# Ionescu, and Vincent Guerci in 2011. |
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# |
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# [1]: http://fishshell.com |
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# [2]: http://www.zsh.org/mla/users/2009/msg00818.html |
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# [3]: http://sourceforge.net/projects/fizsh/ |
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# [4]: https://github.com/robbyrussell/oh-my-zsh/pull/215 |
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# [5]: https://github.com/sunaku/zsh-history-substring-search |
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# [6]: https://github.com/nicoulaj/zsh-syntax-highlighting |
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# |
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############################################################################## |
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# |
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# Copyright (c) 2009 Peter Stephenson |
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# Copyright (c) 2011 Guido van Steen |
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# Copyright (c) 2011 Suraj N. Kurapati |
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# Copyright (c) 2011 Sorin Ionescu |
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# Copyright (c) 2011 Vincent Guerci |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are met: |
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# |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# |
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# * Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following |
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# disclaimer in the documentation and/or other materials provided |
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# with the distribution. |
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# |
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# * Neither the name of the FIZSH nor the names of its contributors |
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# may be used to endorse or promote products derived from this |
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# software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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# POSSIBILITY OF SUCH DAMAGE. |
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# |
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############################################################################## |
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#----------------------------------------------------------------------------- |
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# configuration variables |
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#----------------------------------------------------------------------------- |
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HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND='bg=magenta,fg=white,bold' |
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HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND='bg=red,fg=white,bold' |
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HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS='i' |
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#----------------------------------------------------------------------------- |
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# the main ZLE widgets |
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#----------------------------------------------------------------------------- |
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function history-substring-search-up() { |
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_history-substring-search-begin |
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_history-substring-search-up-history || |
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_history-substring-search-up-buffer || |
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_history-substring-search-up-search |
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_history-substring-search-end |
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} |
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function history-substring-search-down() { |
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_history-substring-search-begin |
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_history-substring-search-down-history || |
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_history-substring-search-down-buffer || |
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_history-substring-search-down-search |
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_history-substring-search-end |
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} |
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zle -N history-substring-search-up |
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zle -N history-substring-search-down |
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bindkey '\e[A' history-substring-search-up |
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bindkey '\e[B' history-substring-search-down |
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#----------------------------------------------------------------------------- |
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# implementation details |
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#----------------------------------------------------------------------------- |
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setopt extendedglob |
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zmodload -F zsh/parameter |
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# |
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# We have to "override" some keys and widgets if the |
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# zsh-syntax-highlighting plugin has not been loaded: |
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# |
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# https://github.com/nicoulaj/zsh-syntax-highlighting |
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# |
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if [[ $+functions[_zsh_highlight] -eq 0 ]]; then |
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# |
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# Dummy implementation of _zsh_highlight() |
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# that simply removes existing highlights |
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# |
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function _zsh_highlight() { |
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region_highlight=() |
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} |
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# |
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# Remove existing highlights when the user |
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# inserts printable characters into $BUFFER |
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# |
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function ordinary-key-press() { |
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if [[ $KEYS == [[:print:]] ]]; then |
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region_highlight=() |
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fi |
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zle .self-insert |
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} |
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zle -N self-insert ordinary-key-press |
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# |
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# Override ZLE widgets to invoke _zsh_highlight() |
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# |
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# https://github.com/nicoulaj/zsh-syntax-highlighting/blob/ |
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# bb7fcb79fad797a40077bebaf6f4e4a93c9d8163/zsh-syntax-highlighting.zsh#L121 |
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# |
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#--------------8<-------------------8<-------------------8<----------------- |
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# |
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# Copyright (c) 2010-2011 zsh-syntax-highlighting contributors |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are |
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# met: |
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# |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# |
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# * Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in the |
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# documentation and/or other materials provided with the distribution. |
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# |
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# * Neither the name of the zsh-syntax-highlighting contributors nor the |
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# names of its contributors may be used to endorse or promote products |
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# derived from this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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# Load ZSH module zsh/zleparameter, needed to override user defined widgets. |
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zmodload zsh/zleparameter 2>/dev/null || { |
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echo 'zsh-syntax-highlighting: failed loading zsh/zleparameter, exiting.' >&2 |
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return -1 |
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} |
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# Override ZLE widgets to make them invoke _zsh_highlight. |
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for event in ${${(f)"$(zle -la)"}:#(_*|orig-*|.run-help|.which-command)}; do |
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if [[ "$widgets[$event]" == completion:* ]]; then |
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eval "zle -C orig-$event ${${${widgets[$event]}#*:}/:/ } ; $event() { builtin zle orig-$event && _zsh_highlight } ; zle -N $event" |
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else |
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case $event in |
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accept-and-menu-complete) |
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eval "$event() { builtin zle .$event && _zsh_highlight } ; zle -N $event" |
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;; |
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# The following widgets should NOT remove any previously |
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# applied highlighting. Therefore we do not remap them. |
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.forward-char|.backward-char|.up-line-or-history|.down-line-or-history) |
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;; |
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.*) |
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clean_event=$event[2,${#event}] # Remove the leading dot in the event name |
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case ${widgets[$clean_event]-} in |
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(completion|user):*) |
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;; |
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*) |
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eval "$clean_event() { builtin zle $event && _zsh_highlight } ; zle -N $clean_event" |
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;; |
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esac |
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;; |
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*) |
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;; |
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esac |
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fi |
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done |
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unset event clean_event |
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#-------------->8------------------->8------------------->8----------------- |
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fi |
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function _history-substring-search-begin() { |
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_history_substring_search_move_cursor_eol=false |
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_history_substring_search_query_highlight= |
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# |
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# Continue using the previous $_history_substring_search_result by default, |
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# unless the current query was cleared or a new/different query was entered. |
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# |
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if [[ -z $BUFFER || $BUFFER != $_history_substring_search_result ]]; then |
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# |
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# For the purpose of highlighting we will also keep |
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# a version without doubly-escaped meta characters. |
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# |
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_history_substring_search_query=$BUFFER |
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# |
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# $BUFFER contains the text that is in the command-line currently. |
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# we put an extra "\\" before meta characters such as "\(" and "\)", |
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# so that they become "\\\(" and "\\\)". |
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# |
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_history_substring_search_query_escaped=${BUFFER//(#m)[\][()|\\*?#<>~^]/\\$MATCH} |
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# |
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# Find all occurrences of the search query in the history file. |
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# |
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# (k) turns it an array of line numbers. |
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# |
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# (on) seems to remove duplicates, which are default |
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# options. They can be turned off by (ON). |
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# |
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_history_substring_search_matches=(${(kon)history[(R)(#$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)*${_history_substring_search_query_escaped}*]}) |
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# |
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# Define the range of values that $_history_substring_search_match_index |
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# can take: [0, $_history_substring_search_matches_count_plus]. |
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# |
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_history_substring_search_matches_count=$#_history_substring_search_matches |
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_history_substring_search_matches_count_plus=$(( _history_substring_search_matches_count + 1 )) |
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_history_substring_search_matches_count_sans=$(( _history_substring_search_matches_count - 1 )) |
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# |
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# If $_history_substring_search_match_index is equal to |
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# $_history_substring_search_matches_count_plus, this indicates that we |
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# are beyond the beginning of $_history_substring_search_matches. |
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# |
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# If $_history_substring_search_match_index is equal to 0, this indicates |
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# that we are beyond the end of $_history_substring_search_matches. |
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# |
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# If we have initially pressed "up" we have to initialize |
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# $_history_substring_search_match_index to |
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# $_history_substring_search_matches_count_plus so that it will be |
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# decreased to $_history_substring_search_matches_count. |
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# |
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# If we have initially pressed "down" we have to initialize |
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# $_history_substring_search_match_index to |
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# $_history_substring_search_matches_count so that it will be increased to |
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# $_history_substring_search_matches_count_plus. |
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# |
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if [[ $WIDGET == history-substring-search-down ]]; then |
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_history_substring_search_match_index=$_history_substring_search_matches_count |
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else |
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_history_substring_search_match_index=$_history_substring_search_matches_count_plus |
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fi |
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fi |
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} |
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function _history-substring-search-end() { |
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_history_substring_search_result=$BUFFER |
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# move the cursor to the end of the command line |
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if [[ $_history_substring_search_move_cursor_eol == true ]]; then |
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CURSOR=${#BUFFER} |
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fi |
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# highlight command line using zsh-syntax-highlighting |
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_zsh_highlight |
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# highlight the search query inside the command line |
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if [[ -n $_history_substring_search_query_highlight && -n $_history_substring_search_query ]]; then |
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# |
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# The following expression yields a variable $MBEGIN, which |
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# indicates the begin position + 1 of the first occurrence |
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# of _history_substring_search_query_escaped in $BUFFER. |
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# |
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: ${(S)BUFFER##(#m$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)($_history_substring_search_query##)} |
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local begin=$(( MBEGIN - 1 )) |
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local end=$(( begin + $#_history_substring_search_query )) |
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region_highlight+=("$begin $end $_history_substring_search_query_highlight") |
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fi |
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# For debugging purposes: |
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# zle -R "mn: "$_history_substring_search_match_index" m#: "${#_history_substring_search_matches} |
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# read -k -t 200 && zle -U $REPLY |
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# Exit successfully from the history-substring-search-* widgets. |
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true |
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} |
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function _history-substring-search-up-buffer() { |
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# |
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# Check if the UP arrow was pressed to move the cursor within a multi-line |
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# buffer. This amounts to three tests: |
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# |
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# 1. $#buflines -gt 1. |
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# |
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# 2. $CURSOR -ne $#BUFFER. |
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# |
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# 3. Check if we are on the first line of the current multi-line buffer. |
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# If so, pressing UP would amount to leaving the multi-line buffer. |
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# |
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# We check this by adding an extra "x" to $LBUFFER, which makes |
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# sure that xlbuflines is always equal to the number of lines |
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# until $CURSOR (including the line with the cursor on it). |
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# |
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local buflines XLBUFFER xlbuflines |
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buflines=(${(f)BUFFER}) |
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XLBUFFER=$LBUFFER"x" |
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xlbuflines=(${(f)XLBUFFER}) |
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if [[ $#buflines -gt 1 && $CURSOR -ne $#BUFFER && $#xlbuflines -ne 1 ]]; then |
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zle up-line-or-history |
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return true |
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fi |
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false |
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} |
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function _history-substring-search-down-buffer() { |
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# |
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# Check if the DOWN arrow was pressed to move the cursor within a multi-line |
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# buffer. This amounts to three tests: |
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# |
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# 1. $#buflines -gt 1. |
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# |
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# 2. $CURSOR -ne $#BUFFER. |
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# |
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# 3. Check if we are on the last line of the current multi-line buffer. |
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# If so, pressing DOWN would amount to leaving the multi-line buffer. |
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# |
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# We check this by adding an extra "x" to $RBUFFER, which makes |
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# sure that xrbuflines is always equal to the number of lines |
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# from $CURSOR (including the line with the cursor on it). |
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# |
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local buflines XRBUFFER xrbuflines |
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buflines=(${(f)BUFFER}) |
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XRBUFFER="x"$RBUFFER |
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xrbuflines=(${(f)XRBUFFER}) |
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if [[ $#buflines -gt 1 && $CURSOR -ne $#BUFFER && $#xrbuflines -ne 1 ]]; then |
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zle down-line-or-history |
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return true |
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fi |
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false |
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} |
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function _history-substring-search-up-history() { |
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# |
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# Behave like up in ZSH, except clear the $BUFFER |
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# when beginning of history is reached like in Fish. |
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# |
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if [[ -z $_history_substring_search_query ]]; then |
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# we have reached the absolute top of history |
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if [[ $HISTNO -eq 1 ]]; then |
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BUFFER= |
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# going up from somewhere below the top of history |
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else |
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zle up-history |
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fi |
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return true |
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fi |
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false |
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} |
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function _history-substring-search-down-history() { |
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# |
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# Behave like down-history in ZSH, except clear the |
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# $BUFFER when end of history is reached like in Fish. |
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# |
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if [[ -z $_history_substring_search_query ]]; then |
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|
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# going down from the absolute top of history |
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if [[ $HISTNO -eq 1 && -z $BUFFER ]]; then |
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BUFFER=${history[1]} |
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_history_substring_search_move_cursor_eol=true |
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# going down from somewhere above the bottom of history |
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else |
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zle down-history |
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fi |
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return true |
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fi |
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false |
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} |
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function _history-substring-search-up-search() { |
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_history_substring_search_move_cursor_eol=true |
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# |
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# Highlight matches during history-substring-up-search: |
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# |
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# The following constants have been initialized in |
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# _history-substring-search-up/down-search(): |
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# |
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# $_history_substring_search_matches is the current list of matches |
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# $_history_substring_search_matches_count is the current number of matches |
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# $_history_substring_search_matches_count_plus is the current number of matches + 1 |
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# $_history_substring_search_matches_count_sans is the current number of matches - 1 |
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# $_history_substring_search_match_index is the index of the current match |
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# |
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# The range of values that $_history_substring_search_match_index can take |
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# is: [0, $_history_substring_search_matches_count_plus]. A value of 0 |
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# indicates that we are beyond the end of |
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# $_history_substring_search_matches. A value of |
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# $_history_substring_search_matches_count_plus indicates that we are beyond |
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# the beginning of $_history_substring_search_matches. |
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# |
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# In _history-substring-search-up-search() the initial value of |
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# $_history_substring_search_match_index is |
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# $_history_substring_search_matches_count_plus. This value is set in |
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# _history-substring-search-begin(). _history-substring-search-up-search() |
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# will initially decrease it to $_history_substring_search_matches_count. |
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# |
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if [[ $_history_substring_search_match_index -ge 2 ]]; then |
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# |
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# Highlight the next match: |
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# |
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# 1. Decrease the value of $_history_substring_search_match_index. |
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# |
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# 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND |
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# to highlight the current buffer. |
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# |
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(( _history_substring_search_match_index-- )) |
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BUFFER=$history[$_history_substring_search_matches[$_history_substring_search_match_index]] |
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_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND |
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elif [[ $_history_substring_search_match_index -eq 1 ]]; then |
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# |
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# We will move beyond the end of $_history_substring_search_matches: |
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# |
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# 1. Decrease the value of $_history_substring_search_match_index. |
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# |
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# 2. Save the current buffer in $_history_substring_search_old_buffer, |
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# so that it can be retrieved by |
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# _history-substring-search-down-search() later. |
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# |
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# 3. Make $BUFFER equal to $_history_substring_search_query. |
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# |
|
# 4. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND |
|
# to highlight the current buffer. |
|
# |
|
(( _history_substring_search_match_index-- )) |
|
_history_substring_search_old_buffer=$BUFFER |
|
BUFFER=$_history_substring_search_query |
|
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND |
|
|
|
elif [[ $_history_substring_search_match_index -eq $_history_substring_search_matches_count_plus ]]; then |
|
# |
|
# We were beyond the beginning of $_history_substring_search_matches but |
|
# UP makes us move back to $_history_substring_search_matches: |
|
# |
|
# 1. Decrease the value of $_history_substring_search_match_index. |
|
# |
|
# 2. Restore $BUFFER from $_history_substring_search_old_buffer. |
|
# |
|
# 3. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND |
|
# to highlight the current buffer. |
|
# |
|
(( _history_substring_search_match_index-- )) |
|
BUFFER=$_history_substring_search_old_buffer |
|
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND |
|
fi |
|
} |
|
|
|
function _history-substring-search-down-search() { |
|
_history_substring_search_move_cursor_eol=true |
|
|
|
# |
|
# Highlight matches during history-substring-up-search: |
|
# |
|
# The following constants have been initialized in |
|
# _history-substring-search-up/down-search(): |
|
# |
|
# $_history_substring_search_matches is the current list of matches |
|
# $_history_substring_search_matches_count is the current number of matches |
|
# $_history_substring_search_matches_count_plus is the current number of matches + 1 |
|
# $_history_substring_search_matches_count_sans is the current number of matches - 1 |
|
# $_history_substring_search_match_index is the index of the current match |
|
# |
|
# The range of values that $_history_substring_search_match_index can take |
|
# is: [0, $_history_substring_search_matches_count_plus]. A value of 0 |
|
# indicates that we are beyond the end of |
|
# $_history_substring_search_matches. A value of |
|
# $_history_substring_search_matches_count_plus indicates that we are beyond |
|
# the beginning of $_history_substring_search_matches. |
|
# |
|
# In _history-substring-search-down-search() the initial value of |
|
# $_history_substring_search_match_index is |
|
# $_history_substring_search_matches_count. This value is set in |
|
# _history-substring-search-begin(). |
|
# _history-substring-search-down-search() will initially increase it to |
|
# $_history_substring_search_matches_count_plus. |
|
# |
|
if [[ $_history_substring_search_match_index -le $_history_substring_search_matches_count_sans ]]; then |
|
# |
|
# Highlight the next match: |
|
# |
|
# 1. Increase $_history_substring_search_match_index by 1. |
|
# |
|
# 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND |
|
# to highlight the current buffer. |
|
# |
|
(( _history_substring_search_match_index++ )) |
|
BUFFER=$history[$_history_substring_search_matches[$_history_substring_search_match_index]] |
|
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND |
|
|
|
elif [[ $_history_substring_search_match_index -eq $_history_substring_search_matches_count ]]; then |
|
# |
|
# We will move beyond the beginning of $_history_substring_search_matches: |
|
# |
|
# 1. Increase $_history_substring_search_match_index by 1. |
|
# |
|
# 2. Save the current buffer in $_history_substring_search_old_buffer, so |
|
# that it can be retrieved by _history-substring-search-up-search() |
|
# later. |
|
# |
|
# 3. Make $BUFFER equal to $_history_substring_search_query. |
|
# |
|
# 4. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND |
|
# to highlight the current buffer. |
|
# |
|
(( _history_substring_search_match_index++ )) |
|
_history_substring_search_old_buffer=$BUFFER |
|
BUFFER=$_history_substring_search_query |
|
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND |
|
|
|
elif [[ $_history_substring_search_match_index -eq 0 ]]; then |
|
# |
|
# We were beyond the end of $_history_substring_search_matches but DOWN |
|
# makes us move back to the $_history_substring_search_matches: |
|
# |
|
# 1. Increase $_history_substring_search_match_index by 1. |
|
# |
|
# 2. Restore $BUFFER from $_history_substring_search_old_buffer. |
|
# |
|
# 3. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND |
|
# to highlight the current buffer. |
|
# |
|
(( _history_substring_search_match_index++ )) |
|
BUFFER=$_history_substring_search_old_buffer |
|
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND |
|
fi |
|
} |
|
|
|
# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*- |
|
# vim: ft=zsh sw=2 ts=2 et
|
|
|