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From:   Junio C Hamano <gitster@pobox.com>
To:     Jeffrey Walton <noloader@gmail.com>
Cc:     Git List <git@vger.kernel.org>
Subject: Re: WARNING: terminal is not fully functional
References: <CAH8yC8kYP2Sth+vUZMzHujKQZC6r1kFf+Lz=6_WRs4GFR65B9g@mail.gmail.com>
        <xmqqr18t4sc0.fsf@gitster.g>
        <CAH8yC8k53a4xcDh34XqoA0VCcxG+Y+mE-rb1MKMd_Z+r-t=_Bw@mail.gmail.com>
Date:   Thu, 27 Jan 2022 10:44:18 -0800
In-Reply-To: <CAH8yC8k53a4xcDh34XqoA0VCcxG+Y+mE-rb1MKMd_Z+r-t=_Bw@mail.gmail.com>
        (Jeffrey Walton's message of "Thu, 27 Jan 2022 02:05:18 -0500")
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Jeffrey Walton <noloader@gmail.com> writes:

> On Thu, Jan 27, 2022 at 1:15 AM Junio C Hamano <gitster@pobox.com> wrote:
>>
>> Jeffrey Walton <noloader@gmail.com> writes:
>>
>> > I needed to install Git on Ubuntu 8. Git seems to work Ok for most
>> > task, but this is unusual:
>> >
>> >     $ git diff
>> >     WARNING: terminal is not fully functional
>> >     -  (press RETURN)
>> >
>> > Here's the terminal:
>> >
>> >     $ echo $TERM
>> >     xterm-256color
>> ...
>> Something to try quickly would be:
>>
>> $ export TERM=vt100; less README.md
>>
>> As the termcap/terminfo entry for vt100 is usually more widely
>> available, this may unblock you.
>> 
>> > It seems like loss of colors on an old platform is not that important.
>> > However, the message being printed creates an actionable item that
>> > needs attention. I think no message would be a better option.
>>
>> You would want to redirect it to folks who work on "less" ;-)
>
> Oh, sorry about that.

No need to be sorry for that.

I seem to have these terminfo database entries for terminals whose
name begin with 'x':

    $ /bin/ls /lib/terminfo/x
    xterm
    xterm-256color
    xterm-color
    xterm-debian
    xterm-mono
    xterm-r5
    xterm-r6
    xterm-vt220
    xterm-xfree86

my suspicion is that you are lacking xterm-256color for some reason.
These usually come from ncurses-base package if I am not mistaken.