fix: minor improvements for s2i build (#1068)
fix: minor improvements for s2i build (#1068)

* fix: close opened file

Signed-off-by: Matej Vasek <641136dff7ce0a7463dc13442864dad9b6842739@redhat.com>

* fix: symlink handling for build context upload

Signed-off-by: Matej Vasek <641136dff7ce0a7463dc13442864dad9b6842739@redhat.com>
knative/func,knative/func,knative/func,knative/func,knative/func,knative/func,knative/func