Package: tcsh
Version: 6.17.06-2
Severity: important
Tags: upstream
I've been noticing a bug for several years now that sometimes cycling through
recent history of commands sometimes corrupts the edit line.
I don't remember when I first noticed it, it might've been around sarge. I
finally found a test case which garauntees a problem.
My prompt is using: set prompt = "%/> "
Say I have a program which does not output a newline at completition. Here's a
sample program which does so:
#include <iostream>
int main()
{
std::cout << "Hi";
return 0;
}
I save this as /tmp/test.cpp
I then do the following:
cd /tmp
g++ -Wall -o test test.cpp
./test
Now I proceed to hit up to cycle back.
I first see: Hi/tmp> ./test
On next up I see: Hi/tmpg++ -Wall -o test test.cpp
Then: Hi/tmpcd /tmp
In this case, it ate the last two characters of the prompt.
I've seen much worse cases too where trying to edit the line (by pressing left
and typing new characters after pressing up) has
a desync between what appears on the screen and the buffer I'm editing. Meaning
I think I just added a new argument to launch
an application, but in reality I changed text elsewhere, as what I'm seeing is
not what I'm editing.
If I can come up with a test case for that, I will add it.
-- System Information:
Debian Release: wheezy/sid
APT prefers unstable
APT policy: (700, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 3.0.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages tcsh depends on:
ii libc6 2.13-23 Embedded GNU C Library: Shared lib
ii libncurses5 5.9-4 shared libraries for terminal hand
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