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Improvement of Note on Fetchers #1191

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Improvement of Note on Fetchers #1191

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032437f
improvement of the note on fetchers to specify that the builtin fetch…
Dec 18, 2025
73a5920
Merge branch 'NixOS:master' into fetchers_note
Dec 29, 2025
36f9613
updated note on fetchers highlighting hash and small rewrites
Dec 29, 2025
150965f
Update source/tutorials/nix-language.md
Jan 5, 2026
fc0724a
Merge branch 'master' into fetchers_note
Jan 12, 2026
57dc25c
Merge branch 'master' into fetchers_note
Jan 22, 2026
b8978fa
Update source/tutorials/nix-language.md
Jan 22, 2026
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4 changes: 3 additions & 1 deletion source/tutorials/nix-language.md
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Expand Up @@ -1878,7 +1878,9 @@ builtins.fetchTarball "https://github.com/NixOS/nix/archive/7c3ab5751568a0bc6343
```

:::{note}
The Nixpkgs manual on [Fetchers][nixpkgs-fetchers] lists numerous additional library functions to fetch files over the network.
Nixpkgs provides its own fetcher functions to reduce the time needed for evaluating Nixpkgs. The Nixpkgs fetchers are not directly interchangeable with builtin fetchers; for example, the Nixpkgs fetchers require a hash argument.

The Nixpkgs manual on [Fetchers][nixpkgs-fetchers] contains further details on the differences between builtin fetchers and Nixpkgs fetchers. Nixpkgs also provides additional fetcher functions beyond the builtin ones. You can find the full list of fetchers provided by Nixpkgs in [Fetchers][nixpkgs-fetchers].
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:::

It is an error if the network request fails.
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