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In the days of non-programmable terminals for Unix (similar to the 5250
terminals we used to use, except that they're not screen-at-a-time)
there were hundreds of types of terminals made by different
manufacturers, and they were all different. Different escape sequences
were sent to the terminal to make it do different things, etc.
terminfo is a database of those escape sequences. So, for example, if
if an application wants to make a terminal "beep", it calls a system API
(in curses, ncurses, etc, library) and that API looks in the terminfo
database to see what escape sequence has to be sent to the terminal in
make the terminal beep. It then sends the appropriate sequence...
There'd be an entry in terminfo for everyhing the plain text terminal
could do... moving the cursor, changing colors, backspace, tab, etc,
they'd all have entries to look up in the terminfo database.
Even those the terminals themeselves are pretty rare these days, that's
still how Unix talks to plain-text displays. They register themselves as
a particular terminal type, and the appropriate escape sequence is
looked up in terminfo.
In your example, you must be running an xterm (or compatible) terminal.
The GIT software is calling a routine to do something on the screen,
and that routine has to look up the terminfo entry for the xterm terminal.
However (probably because this is on IBM i and not a genuine Unix
system) there's no terminfo entry for xterm. I suppose you could add
one if you know the correct settings...
Pete Helgren wrote:
Has anybody used git in the the PASE environment? I just tried it and
got the following:
$ git
GNU Interactive Tools 4.3.20 (rs6000-ibm-aix)
GIT is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 2, or (at your option) any later version.
Copyright (C) 1993-1999 Free Software Foundation, Inc.
Written by Tudor Hulubei and Andrei Pitis, Bucharest, Romania
git: can't find the terminal type xterm in the terminfo database.
$
Google turned up nothing useful. I am not familiar enough with AIX or
Linux to know what the terminfo database would be. There is probably a
missing environment variable or something along those lines but I am not
sure.
Thanks,
Pete Helgren
midrange.com
