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Michael Paquier 3b5709e664 Fix command-line colorization on Windows with VT100-compatible environments
When setting PG_COLOR to "always" or "auto" in a Windows terminal
VT100-compatible, the colorization output was not showing up correctly
because it is necessary to update the console's output handling mode.
This fix allows to detect automatically if the environment is compatible
with VT100.  Hence, PG_COLOR=auto is able to detect and handle both
compatible and non-compatible environments.  The behavior of
PG_COLOR=always remains unchanged, as it enforces the use of colorized
output even if the environment does not allow it.

This fix is based on an initial suggestion from Thomas Munro.

Reported-by: Haiying Tang
Author: Juan José Santamaría Flecha
Reviewed-by: Michail Nikolaev, Michael Paquier, Haiying Tang
Discussion: https://postgr.es/m/16108-134692e97146b7bc@postgresql.org
Backpatch-through: 12
2020-03-02 15:46:24 +09:00
config Update config.guess and config.sub 2019-04-27 14:25:00 +02:00
contrib Stop demanding that top xact must be seen before subxact in decoding. 2020-02-19 08:27:15 +05:30
doc Doc: correct thinko in pg_buffercache documentation. 2020-02-28 11:29:58 -05:00
src Fix command-line colorization on Windows with VT100-compatible environments 2020-03-02 15:46:24 +09:00
.dir-locals.el
.gitattributes Add XSL stylesheet to fix up SVG files 2019-06-19 21:26:42 +02:00
.gitignore
aclocal.m4
configure Stamp 12.2. 2020-02-10 17:14:51 -05:00
configure.in Stamp 12.2. 2020-02-10 17:14:51 -05:00
COPYRIGHT Update copyrights for 2020 2020-01-01 12:21:45 -05:00
GNUmakefile.in Integrate cpluspluscheck into build system. 2019-05-31 12:36:17 -07:00
HISTORY
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:36:21 +12:00
README
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	https://www.postgresql.org/download

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.