feat(motd): dynamically read OS version on each login (#9751)

Author: MickLesk

misc/alpine-install.func

@@ -125,22 +125,13 @@ update_os() {
 # This function modifies the message of the day (motd) and SSH settings
 motd_ssh() {
   echo "export TERM='xterm-256color'" >>/root/.bashrc
-  IP=$(ip -4 addr show eth0 | awk '/inet / {print $2}' | cut -d/ -f1 | head -n 1)
-
-  if [ -f "/etc/os-release" ]; then
-    OS_NAME=$(grep ^NAME /etc/os-release | cut -d= -f2 | tr -d '"')
-    OS_VERSION=$(grep ^VERSION_ID /etc/os-release | cut -d= -f2 | tr -d '"')
-  else
-    OS_NAME="Alpine Linux"
-    OS_VERSION="Unknown"
-  fi
 
   PROFILE_FILE="/etc/profile.d/00_lxc-details.sh"
   echo "echo -e \"\"" >"$PROFILE_FILE"
   echo -e "echo -e \"${BOLD}${APPLICATION} LXC Container${CL}"\" >>"$PROFILE_FILE"
   echo -e "echo -e \"${TAB}${GATEWAY}${YW} Provided by: ${GN}community-scripts ORG ${YW}| GitHub: ${GN}https://github.com/community-scripts/ProxmoxVE${CL}\"" >>"$PROFILE_FILE"
   echo "echo \"\"" >>"$PROFILE_FILE"
-  echo -e "echo -e \"${TAB}${OS}${YW} OS: ${GN}${OS_NAME} - Version: ${OS_VERSION}${CL}\"" >>"$PROFILE_FILE"
+  echo -e "echo -e \"${TAB}${OS}${YW} OS: ${GN}\$(grep ^NAME /etc/os-release | cut -d= -f2 | tr -d '\"') - Version: \$(grep ^VERSION_ID /etc/os-release | cut -d= -f2 | tr -d '\"')${CL}\"" >>"$PROFILE_FILE"
   echo -e "echo -e \"${TAB}${HOSTNAME}${YW} Hostname: ${GN}\$(hostname)${CL}\"" >>"$PROFILE_FILE"
   echo -e "echo -e \"${TAB}${INFO}${YW} IP Address: ${GN}\$(ip -4 addr show eth0 | awk '/inet / {print \$2}' | cut -d/ -f1 | head -n 1)${CL}\"" >>"$PROFILE_FILE"
 

misc/install.func

@@ -222,21 +222,12 @@ motd_ssh() {
   # Set terminal to 256-color mode
   grep -qxF "export TERM='xterm-256color'" /root/.bashrc || echo "export TERM='xterm-256color'" >>/root/.bashrc
 
-  # Get OS information (Debian / Ubuntu)
-  if [ -f "/etc/os-release" ]; then
-    OS_NAME=$(grep ^NAME /etc/os-release | cut -d= -f2 | tr -d '"')
-    OS_VERSION=$(grep ^VERSION_ID /etc/os-release | cut -d= -f2 | tr -d '"')
-  elif [ -f "/etc/debian_version" ]; then
-    OS_NAME="Debian"
-    OS_VERSION=$(cat /etc/debian_version)
-  fi
-
   PROFILE_FILE="/etc/profile.d/00_lxc-details.sh"
   echo "echo -e \"\"" >"$PROFILE_FILE"
   echo -e "echo -e \"${BOLD}${APPLICATION} LXC Container${CL}"\" >>"$PROFILE_FILE"
   echo -e "echo -e \"${TAB}${GATEWAY}${YW} Provided by: ${GN}community-scripts ORG ${YW}| GitHub: ${GN}https://github.com/community-scripts/ProxmoxVE${CL}\"" >>"$PROFILE_FILE"
   echo "echo \"\"" >>"$PROFILE_FILE"
-  echo -e "echo -e \"${TAB}${OS}${YW} OS: ${GN}${OS_NAME} - Version: ${OS_VERSION}${CL}\"" >>"$PROFILE_FILE"
+  echo -e "echo -e \"${TAB}${OS}${YW} OS: ${GN}\$(grep ^NAME /etc/os-release | cut -d= -f2 | tr -d '\"') - Version: \$(grep ^VERSION_ID /etc/os-release | cut -d= -f2 | tr -d '\"')${CL}\"" >>"$PROFILE_FILE"
   echo -e "echo -e \"${TAB}${HOSTNAME}${YW} Hostname: ${GN}\$(hostname)${CL}\"" >>"$PROFILE_FILE"
   echo -e "echo -e \"${TAB}${INFO}${YW} IP Address: ${GN}\$(hostname -I | awk '{print \$1}')${CL}\"" >>"$PROFILE_FILE"