This commit adds a `ReconcileStrategy` field to the `HelmChart` resource, which
allows defining when a new chart should be packaged and/or published if it
originates from a `Bucket` or `GitRepository` resource.
The two available strategies are:
- `ChartVersion`: creates a new artifact when the version of the Helm chart as
defined in the `Chart.yaml` from the Source is different from the current
version.
- `Revision`: creates a new artifact when the revision of the Source is
different from the current revision.
For the `Revision` strategy, the (checksum part of the) revision of the
artifact the chart originatesfrom is added as SemVer metadata.
A chart from a `GitRepository` with Artifact revision
`main/f0faacd5164a875ebdbd9e3fab778f49c5aadbbc` and a chart with e.g. SemVer
`0.1.0` will be published as `0.1.0+f0faacd5164a875ebdbd9e3fab778f49c5aadbbc`.
A chart from a `Bucket` with Artifact revision
`f0faacd5164a875ebdbd9e3fab778f49c5aadbbc` and a chart with e.g. SemVer `0.1.0`
will be published as `0.1.0+f0faacd5164a875ebdbd9e3fab778f49c5aadbbc`.
Signed-off-by: Dylan Arbour <arbourd@users.noreply.github.com>
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