[Git][reproducible-builds/reproducible-website][master] Docs: Add helm-package info

[Chris Lamb (@lamby)]

Chris Lamb pushed to branch master at Reproducible Builds / reproducible-website


Commits:
3aad9c8b by Robert Stupp at 2025-11-21T18:11:34+00:00
Docs: Add helm-package info

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1 changed file:

- + _docs/helm.md


Changes:

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_docs/helm.md
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+---
+title: Helm
+layout: docs
+permalink: /docs/helm/
+---
+
+## Helm package
+
+The helm package command from Helm versions before 4.0.0 cannot produce reproducible archives.
+
+Since Helm version 4.0.0, it is possible to produce reproducible archives, even with the `--sign` option.
+The package archive entries get a constant uid/gid and fixed POSIX permissions.
+The file modification time is set to the source files' modification time, which can vary.
+Consider setting a constant file modification time
+
+<details><summary>Set fixed file modification timestamp example</summary>
+
+```bash
+find $PACKAGE_CONTENTS_DIRECTORY -exec touch -d "2000-01-01 00:00:00" {} +
+```
+</details>



View it on GitLab: https://salsa.debian.org/reproducible-builds/reproducible-website/-/commit/3aad9c8b7ba1f2546ee3338aed2dc3f092067f15

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