pkg-install: detect and warn for "Could not resolve"

pkg-install

@@ -28,6 +28,8 @@ elif [ -z "$app" ];then
   error "No app name specified to pkg-install!"
 fi
 
+LANG=C LC_ALL=C
+
 source "${DIRECTORY}/api"
 apt_lock_wait
 
@@ -76,6 +78,15 @@ Press Ctrl+C in 5 seconds to cancel...\e[39m"
   sudo apt update 2>&1 1>/dev/null | sed -ne 's/.*NO_PUBKEY //p' | while read key; do if ! [[ ${keys[*]} =~ "$key" ]]; then sudo apt-key adv --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys "$key"; keys+=("$key"); fi; done
   echo -e '\e[93mDone. Please try installing the same app again.\e[39m'
   fi
+  if echo "$errors" | grep -q 'Could not resolve';then
+    echo -e "\e[93m
+--------------------------------------------------------------------------------
+APT reported an unresolvable repository.
+
+Please check your Internet connection and try again.
+--------------------------------------------------------------------------------
+\e[39m"
+  fi
   
   exit 1
 fi