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mingw: $env:TERM="xterm-256color" for newer OSes

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For Windows builds >= 15063 set $env:TERM to "xterm-256color" instead of
"cygwin" because they have a more capable console system that supports
this. Also set $env:COLORTERM="truecolor" if unset.

$env:TERM is initialized so that ANSI colors in color.c work, see
29a3963484 (Win32: patch Windows environment on startup, 2012-01-15).

See git-for-windows/git#3629 regarding problems caused by always setting
$env:TERM="cygwin".

This is the same heuristic used by the Cygwin runtime.

Signed-off-by: Rafael Kitover <rkitover@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Rafael Kitover
2022-04-12 19:53:33 +00:00
committed by Johannes Schindelin
parent de30fb5c6c
commit cf8a25af8d
1 changed files with 14 additions and 3 deletions
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17
compat/mingw.c
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@@ -2626,9 +2626,20 @@ static void setup_windows_environment(void)
convert_slashes(tmp);
}
/* simulate TERM to enable auto-color (see color.c) */
if (!getenv("TERM"))
setenv("TERM", "cygwin", 1);
/*
* Make sure TERM is set up correctly to enable auto-color
* (see color.c .) Use "cygwin" for older OS releases which
* works correctly with MSYS2 utilities on older consoles.
*/
if (!getenv("TERM")) {
if ((GetVersion() >> 16) < 15063)
setenv("TERM", "cygwin", 0);
else {
setenv("TERM", "xterm-256color", 0);
setenv("COLORTERM", "truecolor", 0);
}
}
/* calculate HOME if not set */
if (!getenv("HOME")) {