Only chown things in the entrypoint that are not already owned by www-data

10.0/apache/docker-entrypoint.sh

@@ -3,7 +3,7 @@ set -e
 
 if [ ! -e '/var/www/html/version.php' ]; then
 	tar cf - --one-file-system -C /usr/src/owncloud . | tar xf -
-	chown -R www-data /var/www/html
+	find /var/www/html \! -user www-data -exec chown www-data '{}' +
 fi
 
 exec "$@"

10.0/fpm/docker-entrypoint.sh

@@ -3,7 +3,7 @@ set -e
 
 if [ ! -e '/var/www/html/version.php' ]; then
 	tar cf - --one-file-system -C /usr/src/owncloud . | tar xf -
-	chown -R www-data /var/www/html
+	find /var/www/html \! -user www-data -exec chown www-data '{}' +
 fi
 
 exec "$@"

9.1/apache/docker-entrypoint.sh

@@ -3,7 +3,7 @@ set -e
 
 if [ ! -e '/var/www/html/version.php' ]; then
 	tar cf - --one-file-system -C /usr/src/owncloud . | tar xf -
-	chown -R www-data /var/www/html
+	find /var/www/html \! -user www-data -exec chown www-data '{}' +
 fi
 
 exec "$@"

9.1/fpm/docker-entrypoint.sh

@@ -3,7 +3,7 @@ set -e
 
 if [ ! -e '/var/www/html/version.php' ]; then
 	tar cf - --one-file-system -C /usr/src/owncloud . | tar xf -
-	chown -R www-data /var/www/html
+	find /var/www/html \! -user www-data -exec chown www-data '{}' +
 fi
 
 exec "$@"