misc/install.func

@@ -96,7 +96,6 @@ network_check() {
   ipv4_connected=false
   ipv6_connected=false
   sleep 1
-
   # Check IPv4 connectivity to Google, Cloudflare & Quad9 DNS servers.
   if ping -c 1 -W 1 1.1.1.1 &>/dev/null || ping -c 1 -W 1 8.8.8.8 &>/dev/null || ping -c 1 -W 1 9.9.9.9 &>/dev/null; then
     msg_ok "IPv4 Internet Connected"
@@ -124,20 +123,12 @@ network_check() {
     fi
   fi
 
-  # DNS resolution checks for GitHub-related domains (IPv4 and/or IPv6)
   GITHUB_HOSTS=("github.com" "raw.githubusercontent.com" "api.github.com")
 
   for HOST in "${GITHUB_HOSTS[@]}"; do
-    RESOLVEDIP=""
-    while read -r IP; do
-      if [[ "$IP" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ || "$IP" =~ ^[a-fA-F0-9:]+$ ]]; then
-        RESOLVEDIP="$IP"
-        break
-      fi
-    done < <(getent hosts "$HOST" | awk '{ print $1 }')
-
-    if [[ -z "$RESOLVEDIP" ]]; then
-      msg_error "DNS resolution failed or no valid IPv4/IPv6 address for $HOST"
+    RESOLVEDIP=$(getent hosts "$HOST" | awk '{ print $1 }')
+    if [[ -z "$RESOLVEDIP" || (! "$RESOLVEDIP" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ && ! "$RESOLVEDIP" =~ ^([a-fA-F0-9:]+)$) ]]; then
+      msg_error "DNS resolution failed or invalid IP for $HOST"
       exit 1
     else
       msg_ok "Resolved $HOST → ${BL}$RESOLVEDIP${CL}"