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Add issue template for unreproducible packages

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It's nice to be able to easily create an issue for an unreproducibility,
but my additional motivation for creating this issue template is that it
makes it easier for non-maintainers to create issues that are correctly
tagged '8.topic: reproducible builds'.
This commit is contained in:
Arnout Engelen 2022-09-24 09:39:47 +02:00
parent ae1dc133ea
commit 2018f92ef2
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---
name: Unreproducible package
about: A package that does not produce a bit-by-bit reproducible result each time it is built
title: ''
labels: '0.kind: enhancement', '6.topic: reproducible builds'
assignees: ''
---
Building this package twice does not produce the bit-by-bit identical result each time, making it harder to detect CI breaches. You can read more about this at https://reproducible-builds.org/ .
Fixing bit-by-bit reproducibility also has additional advantages, such as avoiding hard-to-reproduce bugs, making content-addressed storage more effective and reducing rebuilds in such systems.
### Steps To Reproduce
```
nix-build '<nixpkgs>' -A ... --check --keep-failed
```
You can use `diffoscope` to analyze the differences in the output of the two builds.
To view the build log of the build that produced the artifact in the binary cache:
```
nix-store --read-log $(nix-instantiate '<nixpkgs>' -A ...)
```
### Additional context
(please share the relevant fragment of the diffoscope output here,
and any additional analysis you may have done)