Run gravity as user pihole

Signed-off-by: Christian König <ckoenig@posteo.de>

automated install/basic-install.sh

@@ -1385,8 +1385,8 @@ installCron() {
 # Gravity is a very important script as it aggregates all of the domains into a single HOSTS formatted list,
 # which is what Pi-hole needs to begin blocking ads
 runGravity() {
-    # Run gravity in the current shell
-    { /opt/pihole/gravity.sh --force; }
+    # Run gravity in the current shell as user pihole
+    { exec sudo -u pihole bash /opt/pihole/gravity.sh --force; }
 }
 
 # Check if the pihole user exists and create if it does not

gravity.sh

@@ -488,10 +488,6 @@ compareLists() {
     # We assume here it was changed upstream
     database_adlist_status "${adlistID}" "1"
   fi
-
-  # set owner of the file to pihole
-  chown pihole:pihole "${target}.sha1"
-
 }
 
 # Download specified URL and perform checks on HTTP status and file content
@@ -625,9 +621,6 @@ gravity_DownloadBlocklistFromUrl() {
       database_adlist_status "${adlistID}" "4"
     fi
   fi
-
-  # set owner of the file to pihole
-  chown pihole:pihole "${saveLocation}"
 }
 
 # Parse source files into domains format