sapcc / ocm-helm-toolbox / 15207470232

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Pull #5

github

unbundle: unpack dependency charts inside Helm charts

This is intended for workflows where the unbundle result gets committed into Git,
e.g. when CD systems like Argo watch a Git repo instead of an OCM repository.
By unpacking the archive files, the commit diffs become more meaningful
and delta compression becomes more efficient.

This is an example of the effect when unpacking the
`cloud.sap/backup-replication` bundle before and after the change:

```diff
--- tree-output-before.txt  2025-05-23 11:48:27.097765265 +0200
+++ tree-output-after.txt   2025-05-23 11:48:40.804883372 +0200
@@ -4,8 +4,20 @@
 │   │   └── backup-replication.alerts
 │   ├── Chart.lock
 │   ├── charts
-│   │   ├── linkerd-support-1.1.0.tgz
-│   │   └── owner-info-1.0.0.tgz
+│   │   ├── linkerd-support
+│   │   │   ├── Chart.yaml
+│   │   │   ├── README.md
+│   │   │   ├── templates
+│   │   │   │   └── namespace-annotation.yaml
+│   │   │   └── values.yaml
+│   │   └── owner-info
+│   │       ├── Chart.yaml
+│   │       ├── ci
+│   │       │   └── test-values.yaml
+│   │       ├── README.md
+│   │       ├── templates
+│   │       │   └── configmap.yaml
+│   │       └── values.yaml
 │   ├── Chart.yaml
 │   ├── ci
 │   │   └── test-values.yaml
@@ -21,4 +33,4 @@
 ├── git-location.json
 └── localized-values.yaml

-6 directories, 16 files
+11 directories, 23 files
```

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