status-im
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nix-fetchgit-debug
mirror of https://github.com/status-im/nix-fetchgit-debug.git
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update readme about flags 

Signed-off-by: Jakub Sokołowski <jakub@status.im>
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Jakub Sokołowski 2020-10-14 15:26:09 +02:00
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README.md
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@ -2,6 +2,8 @@
This repo exists to reproduce an issue with fetching some git submodules which breaks determinism of `pkgs.fetchgit`.
The issue appears only when using both `fetchSubmodules = true` and `deepClone = true`.
# Reproduction
When I build the `default.nix` derivation which fetches the source for this repo using `pkgs.fetchgit` I get different resulting `sha256` at differnt times:
@ -37,3 +39,7 @@ Only in /nix/store/9vylzwxxi52bvyr8dcrsaaxj5ppwrid2-nix-fetchgit-debug-f0e389d/n
Only in /nix/store/9vylzwxxi52bvyr8dcrsaaxj5ppwrid2-nix-fetchgit-debug-f0e389d/nim-waku/vendor/nim-faststreams/.git/objects/pack: pack-b56d89b8eafd21f484dc6af50a7771bbf28ed92c.pack
```
The cause of this seems to be the fact that both the root repo and the `nim-waku` submodule reference the same `nim-faststreams` repo. Also both this repo and `nim-waku` use the same `nim-faststreams` commit: [`5df69fc6`](https://github.com/status-im/nim-faststreams/commit/5df69fc6961e58205189cd92ae2477769fa8c4c0).
# Issue
Opened an issue for this: https://github.com/NixOS/nixpkgs/issues/100498