Merge pull request #1890 from joncwong/merge3

Integrate merge3 as command for 3-way merges
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Kubernetes Prow Robot
2020-01-02 07:43:41 -08:00
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## merge3
[Alpha] Merge diff of Resource configuration files into a destination (3-way)
### Synopsis
[Alpha] Merge diff of Resource configuration files into a destination (3-way)
Merge3 performs a 3-way merge by applying the diff between 2 sets of Resources to a 3rd set.
Merge3 may be for rebasing changes to a forked set of configuration -- e.g. compute the difference between the original
set of Resources that was forked and an updated set of those Resources, then apply that difference to the fork.
If a field value differs between the ORIGINAL_DIR and UPDATED_DIR, the value from the UPDATED_DIR is taken and applied
to the Resource in the DEST_DIR.
For information on merge rules, run:
kustomize config docs-merge3
### Examples
kustomize config merge3 --ancestor a/ --from b/ --to c/