1 files changed, 30 insertions, 0 deletions
diff --git a/lib/common-functions.sh b/lib/common-functions.sh
index 365f8e3f..2ace9970 100644
--- a/lib/common-functions.sh
+++ b/lib/common-functions.sh
@@ -257,3 +257,33 @@ function prompt_user {
     fi
   done
 }
+
+##checks if prefix exists in string
+##params: string, prefix
+##usage: contains_prefix "deploy_setting_launcher=1" "deploy_setting"
+contains_prefix() {
+  local mystr=$1
+  local prefix=$2
+  if echo $mystr | grep -E "^$prefix.*$" > /dev/null; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+##verify internet connectivity
+#params: none
+function verify_internet {
+  if ping -c 2 $ping_site > /dev/null; then
+    if ping -c 2 www.google.com > /dev/null; then
+      echo "${blue}Internet connectivity detected${reset}"
+      return 0
+    else
+      echo "${red}Internet connectivity detected, but DNS lookup failed${reset}"
+      return 1
+    fi
+  else
+    echo "${red}No internet connectivity detected${reset}"
+    return 1
+  fi
+}