check for dig and adjusts dependency check logic (#457)

Author: yubiuser

README.md

@@ -27,6 +27,11 @@ PADD (formerly Chronometer2) is a more expansive version of the original chronom
   ```bash
   sudo chmod +x padd.sh
   ```
+### Dependencies
+  - curl
+  - jq
+  - dig
+  - tput
 
 ## Using PADD
 

padd.sh

@@ -1517,15 +1517,31 @@ secretRead() {
 }
 
 check_dependencies() {
+    local hasDeps=true
     # Check for required dependencies
     if ! command -v curl >/dev/null 2>&1; then
         printf "%b" "${check_box_bad} Error!\n    'curl' is missing but required.\n"
-        exit 1
+        hasDeps=false
     fi
 
     if ! command -v jq >/dev/null 2>&1; then
-          printf "%b" "${check_box_bad} Error!\n    'jq' is missing but required.\n"
-          exit 1
+        printf "%b" "${check_box_bad} Error!\n    'jq' is missing but required.\n"
+        hasDeps=false
+    fi
+
+    if ! command -v dig >/dev/null 2>&1; then
+        printf "%b" "${check_box_bad} Error!\n    'dig' is missing but required.\n"
+        hasDeps=false
+    fi
+
+    if ! command -v tput >/dev/null 2>&1; then
+        printf "%b" "${check_box_bad} Error!\n    'tput' is missing but required.\n"
+        hasDeps=false
+     fi
+
+    if ! [ "${hasDeps}" = true ]; then
+        printf "%b" "\n Please install the missing dependencies noted above.\n"
+        exit 1
     fi
 }