Feat bundle oplog

[Zenithar]

Context

Generate a BundlePatch from bundle diff oplog using the flag --patch.

Samples

Symmetry property

Generate a patch from differences between 2 bundles, apply the patch on b1 then check that the patched bundle match b2.

$ harp bundle diff --old b1.bundle --new b2.bundle --patch \
   | harp bundle patch --spec - --in b1.bundle \
   | harp bundle diff --old b2.bundle --new -
[]

Remove package

Generate a patch from a bundle difference set

harp bundle filter --exclude product/ece/v1.0.0/artifact/signature/key --in b1.bundle \
  | harp bundle diff --old b1.bundle --new - --patch > patch.yml

api_version: harp.elastic.co/v1
kind: BundlePatch
meta:
  description: Patch generated from oplog
  name: autogenerated-patch
spec:
  rules:
  - package:
      remove: true
    selector:
      matchPath:
        strict: product/ece/v1.0.0/artifact/signature/key

Apply the patch and view the oplog

$ harp bundle patch --spec patch.yml --in b1.bundle \
  | harp bundle diff --old b1.bundle --new -
[{"op":"remove","type":"package","path":"product/ece/v1.0.0/artifact/signature/key"}]