docs: Fix CentOS 8 build

Type: fix

Signed-off-by: Jon Loeliger <jdl@netgate.com>
Change-Id: I2d0d29af9186c50735d9a3b41148549f5cde614e

diff --git a/docs/scripts/sphinx-make.sh b/docs/scripts/sphinx-make.sh
index 61356bb..b00fb22 100755 (executable)
--- a/docs/scripts/sphinx-make.sh
+++ b/docs/scripts/sphinx-make.sh
@@ -11,6 +11,7 @@ fi
 
 # Get the OS
 OS_ID=$(grep '^ID=' /etc/os-release  | cut -f2- -d= | sed -e 's/\"//g')
+OS_VERSION=$(grep '^VERSION_ID=' /etc/os-release  | cut -f2- -d= | sed -e 's/\"//g')
 
 if [ "$1" == "venv" ]
 then
@@ -21,7 +22,12 @@ then
     fi
     if [ "$OS_ID" == "centos" ]
     then
-       sudo yum install $CONFIRM python3-venv
+       if [ "$OS_VERSION" == "8" ]
+       then
+           sudo yum install $CONFIRM python3-virtualenv
+       else
+           sudo yum install $CONFIRM python3-venv
+       fi
     fi
 
     # Install the virtual environment