Restore permissions after operations

entrypoint.sh

@@ -26,6 +26,8 @@ fi
 
 pkgbuild_dir=$(readlink $pkgname -f) # nicely cleans up path, ie. ///dsq/dqsdsq/my-package//// -> /dsq/dqsdsq/my-package
 
+getfacl -p -R "$pkgbuild_dir" /github/home > /tmp/arch-pkgbuild-builder-permissions.bak
+
 # '/github/workspace' is mounted as a volume and has owner set to root
 # set the owner of $pkgbuild_dir  to the 'build' user, so it can access package files.
 sudo chown -R build $pkgbuild_dir
@@ -67,3 +69,5 @@ case $target in
     *)
       echo "Target should be one of 'pkgbuild', 'srcinfo', 'run'" ;;
 esac
+
+sudo setfacl --restore=/tmp/arch-pkgbuild-builder-permissions.bak