From d74b4ae2737cd629371ba331d4e3a6230eb5a8a6 Mon Sep 17 00:00:00 2001
From: Sylvain <bond.never.die@gmail.com>
Date: Tue, 8 Oct 2019 15:23:45 +0200
Subject: [PATCH] check GNU awk

---
 scripts/postgre-upgrade.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/scripts/postgre-upgrade.sh b/scripts/postgre-upgrade.sh
index 4a49a48ca..0eefa341d 100644
--- a/scripts/postgre-upgrade.sh
+++ b/scripts/postgre-upgrade.sh
@@ -8,7 +8,12 @@ config()
     read -rp "Continue anyway? (y/n) " confirm </dev/tty
     if [[ "$confirm" = "n" ]]; then exit 1; fi
   fi
-
+  if ! command -v awk || ! [[ $(awk -W version) =~ ^GNU ]]
+  then
+    echo "Please install GNU Awk before running this script."
+    echo "gawk was not found, exiting..."
+    exit 1
+  fi
   FM_PATH=$(pwd)
   TYPE="NOT-FOUND"
   read -rp "Is fab-manager installed at \"$FM_PATH\"? (y/n) " confirm </dev/tty