From cf70a651f03a1dc0b8c815094a697350a1497625 Mon Sep 17 00:00:00 2001
From: Vladimir-A <32281993+Vladimir-A@users.noreply.github.com>
Date: Tue, 15 Dec 2020 05:01:25 +0300
Subject: [PATCH 1/2] Add: apt-get -y install gcc g++

gcc, g ++ is required to building
---
 INSTALL.debian | 1 +
 1 file changed, 1 insertion(+)

diff --git a/INSTALL.debian b/INSTALL.debian
index c435d7748..f158d1266 100644
--- a/INSTALL.debian
+++ b/INSTALL.debian
@@ -48,6 +48,7 @@ apt-get -y install zlib1g-dev libglib2.0-dev
 apt-get -y install $LIBSSL_DEV_PKG build-essential automake libxml2-dev libxslt-dev ncurses-dev sudo libreadline-dev flex bison ragel redis git curl libcurl4-openssl-dev sendmail-bin sendmail nginx ssh coreutils ffmpeg mkvtoolnix
 apt-get -y install libpq-dev postgresql-client
 apt-get -y install liblcms2-dev $LIBJPEG_TURBO_DEV_PKG libexpat1-dev libgif-dev libpng-dev libexif-dev
+apt-get -y install gcc g++
 
 curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
 echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list

From 0f44d8b974d9f7421ba281d6ac358672731449b9 Mon Sep 17 00:00:00 2001
From: Vladimir-A <32281993+Vladimir-A@users.noreply.github.com>
Date: Tue, 15 Dec 2020 05:15:57 +0300
Subject: [PATCH 2/2] Change: regular expressions.

Add [^ -] to exclude duplicate.
Example:
PostgreSQL 11.9 (Debian 11.9-0+deb10u1)
---
 INSTALL.debian | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/INSTALL.debian b/INSTALL.debian
index f158d1266..a471b1eeb 100644
--- a/INSTALL.debian
+++ b/INSTALL.debian
@@ -77,7 +77,7 @@ chsh -s /bin/bash danbooru
 usermod -G danbooru,sudo danbooru
 
 # Set up Postgres
-export PG_VERSION=`pg_config --version | egrep -o '[0-9]{1,}\.[0-9]{1,}'`
+export PG_VERSION=`pg_config --version | egrep -o '[0-9]{1,}\.[0-9]{1,}[^-]'`
 if verlte 9.5 $PG_VERSION ; then
 	# only do this on postgres 9.5 and above