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`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
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The session should be started at a higher level, i.e the Terminal app.
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As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.
For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.
Going forward, all new source files should include a license header.
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Shell.cpp uses its own line discipline which handles
echoing and line editing. Because of this we disable
ICANON and ECHO so that we don't get duplicate characters
or weird line editing errors.
We also revert these settings just before running a command.
This is so that commands may run with proper line editing
and echoing.
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Added a few builtin functions to the shell to make navigating a bit
easier in the terminal.
`pushd` allows a user to "push" the current directory to the directory
stack, and then `cd` to the new directory.
`popd` allows the used to take the directory on the top of the stack
off before `cd`'ing to it.
`dirs` gives the state of the current directory stack.
This is only a partial implementation of the `bash` version
(gnu.org/software/bash/manual/html_node/Directory-Stack-Builtins.html)
, and doesn't include any of the +N or -N commands as of yet.
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program executed
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This was a workaround to be able to build on case-insensitive file
systems where it might get confused about <string.h> vs <String.h>.
Let's just not support building that way, so String.h can have an
objectively nicer name. :^)
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When resizing the terminal, we now clear the entire current line and reset
the shell's LineEditor input state. This makes it look and feel kinda the
same as xterm.
Fixes #286.
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To be clear, there isn't really any line editing yet. But there is
going to be, so let's have it in its own class.
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