Hooks in resdl only run when needed

conf/resdl-download.txt

@@ -92,16 +92,16 @@ unzipmaps() {
 
 updatedelta() {
 
-  echo " ";
-  echo " - Checking resdl delta between updates...";
-
   newlog=""
   oldlogs=""
   for log in $(ls -td "$reldir"/update-*.log); do
-    [ "$log" = "update-$updatetime.log" ] && newlog="$(basename "$log")" || oldlogs="$oldlogs $(basename "$log")";
+    [ "$(basename "$log")" = "update-$updatetime.log" ] && newlog="$(basename "$log")" || oldlogs="$oldlogs $(basename "$log")";
   done;
-  [ "$newlog" ] || { echo " -- No log to compare"; return 0; }
-  [ "$oldlogs" ] || { echo " -- No old logs to compare"; return 0; }
+  [ "$newlog" ] && [ "$oldlogs" ] || return 0;
+
+  echo " ";
+  echo " - Checking resdl delta between updates...";
+
   for entry in $(grep -oE "FILE: [^,;]*" "$reldir/$newlog" | cut -d" " -f2); do
     line="$(grep "FILE: $entry," "$reldir/$newlog")";
     file="$entry";
@@ -124,6 +124,8 @@ updatedelta() {
 
 verifycerts() {
 
+  [ "$stuff_repo" ] || [ "$(echo "$stuff_download" | grep -E "^[ ]*[^ ]+.apk[ ]+")" ] || return 0;
+
   [ "$(which jarsigner)" ] && [ "$(which openssl)" ] || {
     echo " ";
     echo " !! Not checking certificates (missing jarsigner or openssl)";
@@ -180,6 +182,8 @@ verifycerts() {
 
 checkwhitelist() {
 
+  [ "$(echo "$stuff_download" | grep -E "^[ ]*/system/priv-app/[^ ]+.apk[ ]+")" ] || return 0;
+
   [ "$(which aapt)" ] || {
     echo " ";
     echo " !! Not checking privperms (missing aapt)";