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Directories referenced as file:// URLs not fetched successfully, with a surprising error message #582

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opened 2024-11-20 20:57:16 +00:00 by lheckemann · 3 comments
lheckemann commented 2024-11-20 20:57:16 +00:00
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Describe the bug / Steps To Reproduce

$ nix flake metadata file:///home/linus/scratch
error:
       … while fetching the input 'file:///home/linus/scratch'

       error: tarball 'file:///home/linus/scratch' contains an unexpected number of top-level files

This happens regardless of the contents of the given directory.

Expected behavior

The directory should be "fetched" successfully, or an error message explaining that file:// is only for tarballs should be produced.

nix --version output

nix (Lix, like Nix) 2.92.0-dev-pre20241111-8a90943

## Describe the bug / Steps To Reproduce ``` $ nix flake metadata file:///home/linus/scratch error: … while fetching the input 'file:///home/linus/scratch' error: tarball 'file:///home/linus/scratch' contains an unexpected number of top-level files ``` This happens regardless of the contents of the given directory. ## Expected behavior The directory should be "fetched" successfully, or an error message explaining that `file://` is only for tarballs should be produced. ## `nix --version` output nix (Lix, like Nix) 2.92.0-dev-pre20241111-8a90943
pennae commented 2024-11-21 15:25:22 +00:00
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uh. does this happen with 2.91? we recently changed how file:// urls are handled internally (because the way they were handled was extremely gross). you may have stumbled over side-effects of that.

uh. does this happen with 2.91? we recently changed how file:// urls are handled internally (because the way they were handled was extremely gross). you may have stumbled over side-effects of that.
lheckemann commented 2024-11-21 21:55:34 +00:00
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Yeah, don't worry, you didn't break this -- it's been this way since 2.18 by the looks of it, and happens with 2.91 too.

Yeah, don't worry, you didn't break this -- it's been this way since 2.18 by the looks of it, and happens with 2.91 too.
jade added this to the Error reporting project 2025-01-17 21:40:53 +00:00
jade commented 2025-05-17 17:09:19 +00:00
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https://github.com/NixOS/nix/pull/11195 possible fix pr

https://github.com/NixOS/nix/pull/11195 possible fix pr
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Reference: lix-project/lix#582
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