a32cd16f64
When a URL like `github:nixos/nixpkgs/nixpkgs.git?ref=<hash>` (using `ref` instead of `rev`) failed the github input scheme, it fell through to `parsePathFlakeRefWithFragment` which constructed a `path:` `ParsedURL` with an empty authority but a relative path. This violated RFC 3986 section 3.3 (authority present requires path starting with `/`), causing an assertion failure in `renderAuthorityAndPath` when `PathInputScheme` tried to format the URL for an error message. This commit only sets the authority on absolute paths. Relative paths get `std::nullopt` for authority, which is the correct representation per the URL spec. Fixes #15196. Fixes #14830.
Nix
Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. Please refer to the Nix manual for more details.
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Nix was created by Eelco Dolstra and developed as the subject of his PhD thesis The Purely Functional Software Deployment Model, published 2006. Today, a world-wide developer community contributes to Nix and the ecosystem that has grown around it.
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