From 9f3bf1110105487a65903fcf2d1ece97e822e0ea Mon Sep 17 00:00:00 2001
From: Teddysun <i@teddysun.com>
Date: Sat, 9 Jun 2018 12:29:48 +0900
Subject: [PATCH] Update comments elrepo-kernel repository is enabled by
 default

Signed-off-by: Teddysun <i@teddysun.com>
---
 bbr.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bbr.sh b/bbr.sh
index 68b1bb7..ec2d111 100644
--- a/bbr.sh
+++ b/bbr.sh
@@ -276,7 +276,7 @@ install_bbr() {
     check_bbr_status
     if [ $? -eq 0 ]; then
         echo
-        echo -e "${green}Info:${plain} TCP BBR has been installed. nothing to do..."
+        echo -e "${green}Info:${plain} TCP BBR has already been installed. nothing to do..."
         exit 0
     fi
     check_kernel_version
@@ -290,7 +290,9 @@ install_bbr() {
 
     if [[ x"${release}" == x"centos" ]]; then
         install_elrepo
-        yum --enablerepo=elrepo-kernel -y install kernel-ml kernel-ml-devel
+        [ ! "$(command -v yum-config-manager)" ] && yum install -y yum-utils > /dev/null 2>&1
+        [ x"$(yum-config-manager elrepo-kernel | grep -w enabled | awk '{print $3}')" != x"True" ] && yum-config-manager --enable elrepo-kernel > /dev/null 2>&1
+        yum -y install kernel-ml kernel-ml-devel
         if [ $? -ne 0 ]; then
             echo -e "${red}Error:${plain} Install latest kernel failed, please check it."
             exit 1