From 658e1d4470d443eaf8edf37e846593a606849077 Mon Sep 17 00:00:00 2001
From: Jason D'Amour <jasondamour98@gmail.com>
Date: Wed, 11 Oct 2023 12:10:58 -0700
Subject: [PATCH] HIP to show merged values

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+---
+hip: 00N
+title: "Support passing multiple values files to `helm show values`"
+authors: [ "Jason D'Amour <jasondamour98@gmail.com> ]
+created: "2023-10-11"
+type: "feature"
+status: "draft"
+---
+
+## Abstract
+
+`helm show values [CHART] --values file1.yaml -f file2.yml` should show the merged values of a chart after additional values files are merged.
+
+## Motivation
+
+During my deployment process, I pass N number of configuration files. Before installing the chart, I need to take some action depending on a value from one of the configuration files. I don't want to implment my own YAML merge function, as it may vary from helm's. 
+
+## Rationale
+
+I.E. I have 3 values.yaml files. In one of the 3 I have `ingress: true`, and in another I have `ingress: false`. I have logic in my deployment pipeline that needs to precreate some resources only if ingress is true. I could use `helm show values myOrgRepo/myChart -f f1.yml -f f2.yml -f f3.yml` to compute whether or not `ingress` is true or not after applying multiple files.
+
+
+## Specification
+
+The existing logic and flags for `--values,-f` for other commands (like upgrade/install/template) would be added to `helm show values`
+
+## Backwards compatibility
+
+There should be no impact to backwards compatibility, as these are new flags.
+
+## Security implications
+
+None
+
+## How to teach this
+
+Docs
+
+## Reference implementation
+
+
+## Rejected ideas
+
+N/A. I don't know of any other ideas proposed for this feature.
+
+## Open issues
+
+1. https://github.com/helm/helm/issues/6772
+    The accepted answer is
+    > helm install [name] [chart] --dry-run --debug -f <your_values_file> and the merged list of values will be available in a section called COMPUTED VALUES
+    Which is not very easy to consume programmatically. This HIP will make the same computed values printed without the manifests.
+
+2. https://github.com/helm/helm/issues/12007
+    Proposes a new standalone command just for merging value files. Also a very valid request. This HIP however merges files _with a charts default values_, which has more additional value (esp when working with remote charts).
+    Was close because a truely terrible workaround was proposed, https://github.com/helm/helm/issues/12007#issuecomment-1535538080
+
+## References
+