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https://github.com/SerenityOS/serenity
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d0fb816ac3
`cdh` with no arguments dumps the last 8 cd calls in history, and `cdh [index]` can be used to cd to re-run a specific index from that history. `cdh` itself it a thin wrapper of the `cd` builtin. There's definitely some improvements that can be made for this command, but this seems like a good starting point for getting a feel for it and ideas for changing it in the future. It's not entirely clear whether we should be storing the resolved path - or simply just the last argument passed to cd. For now we just use the last path passed into cd as this seemed like the better option for now. This means: * invalid paths will still be stored in history (potentially useful) * cdh's can be repeated for duplicate directory names * the history looks a little nicer on the eyes It might make sense to use resolved paths. Closes #397
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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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 ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <AK/CircularQueue.h>
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#include <termios.h>
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struct GlobalState {
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String cwd;
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String username;
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String home;
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char ttyname[32];
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char hostname[32];
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uid_t uid;
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struct termios termios;
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struct termios default_termios;
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bool was_interrupted { false };
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bool was_resized { false };
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int last_return_code { 0 };
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Vector<String> directory_stack;
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CircularQueue<String, 8> cd_history; // FIXME: have a configurable cd history length
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};
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extern GlobalState g;
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