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Close #407
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Properly detect unbalanced curly braces and spurious output at the
end of a group.
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Move all signal handling code out of "library" code into user application.
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This is already taken care of by libtermkey. Also we did not check
whether we actually had a valid state to restore.
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If the caller of vis_pipe is not interested in the output, redirect it
to /dev/null and close the pipe. Otherwise we would wait for possible
output (which might never arrive) only to throw it away.
As a consequence background processes can now be started with:
:> { plumber <&3 3<&- & } 3<&0 2>&-
whereas before one also had to explicitly close stdout:
:> { plumber <&3 3<&- & } 3<&0 1>&- 2>&-
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libtermkey's initialization routine tries to write to the underlying
file descriptor which fails with EBADF if it is opened read only.
This was a problem in the terminal restore code called after a shell
command is executed.
It should fix the following:
$ echo foo | vis - > bar
:!/bin/sh
exit
where before vis would no longer accept any input.
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The `:!` command did redirect stdout to a pipe which was used by
`vis-menu` to return the selected entry. However, this breaks
other interactive commands such as `:!/bin/sh` where command
output was never displayed. Instead we modified `vis-menu` to
re-open /dev/tty for its user interface which makes it work
as a regular filter `:|`
This patch also obsoletes the interactive flag previously passed
to the vis_pipe function. Interactive mode is instead enabled
by piping an invalid range.
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This means vis-menu will also work when stderr is used for other purposes.
This will be used by the vis editor:
- stdin is used for the initial completion candidates
- stdout is used to return the selected entry
- stderr is used for error reporting
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Make the delay used to distinguish between an <Escape> key and
other terminal escape sequences such as for the Meta key run
time configurable. The value is given in miliseconds and defaults
to 50ms.
Notice that terminal multiplexers like dvtm or tmux might also
induce some delay which has to be configured independently.
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We are no longer using curses for input handling, hence this
code is obsolete.
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The path argument will be nil.
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The first argument is the file object while the second argument denotes
the full path to which it will be written. Path might be `nil` if the
file is going to be written to stdout.
The Lua function is expected to return a boolean value indicating whether
the write operation should proceed or be aborted.
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The passed path can be different from file.name for instance when
opening a file `a` and then doing `:w b` where file.name will be the
former and path the latter.
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Indicating that the event is triggered *after* a successfull write.
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Except for special commands like `w` and `wq` treat the cursor
as an implicit one character selection to which the command is
applied.
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No functional changes.
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Might be enough to get the sam based tests to run.
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Avoid the additional spam for now.
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%m is the decimal month value, not the day of the month.
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With a single $, make will try to expand it as a variable.
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The scheme syntax highlighting wasn't highlighting base functions, this fixes it.
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Libtermkey tries to write a terminal initialization sequence even when
stdin is not a terminal as is the case when running `vis < /dev/null`
or within the Travis CI environment.
The broken code is in libtermkey's driver-ti.c function `start_driver`:
/* There's no point trying to write() to a pipe */
if(fstat(tk->fd, &statbuf) == -1)
return 0;
if(S_ISFIFO(statbuf.st_mode))
return 1;
Instead they should simply be using isatty(3).
As a workaround we catch the resulting EBADF failure and try to re-open
/dev/tty as stdin. If this fails too (as is the case in the Mac OS X
Travis CI runner) create an abstract termkey instance instead. In this
state vis will not be able to consume any input and will instead spin
with 100% CPU usage in the mainloop. This is solely done to make the Lua
tests, which control vis through other means, work within the Travis CI
environment.
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We need to push keys individually to the input queue such that
the state machine can advance and record keys into the operator
macro if necessary.
Previously feeding the following input:
isome text<Escape>.
would not work as expected because the complete key stream
was pushed to the input queue at the same time during which
the operator macro was not yet active. Thus the dot command
at the end would have nothing to repeat.
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If the shell command is omitted, the last shell command (of any type)
is substituted. The most recently used shell command is stored in a
new register currently named `!`.
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As in sam if an empty regex // is provided we substitute in the most
recently used one.
0/regexp///
Will match the second occurrence in the fie.
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As in visual mode write commands have to be forced with ! if the changes
are destructive i.e. only parts of the file are written.
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No functional changes.
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Wether `/usr/local/share/vis` or `/usr/share/vis` is used depends
on how the configure script was invoked. However, both are never
used at the same time.
This section should be completely reworked at some point.
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Do not initalize curses UI before it is actually needed.
Move vis command line argument parsing logic into main.c.
This fixes `vis -v` output and exit status.
Fix #351
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Add another layer of indirection, move actual event generation
code to a dedicated function.
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In preparation to move argument parsing code out of vis.c.
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