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cover empty string case

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Andrei Boar 2022-08-19 11:51:32 +03:00
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10
doc/manual/src/command-ref/env-common.md
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@ -46,9 +46,13 @@ Most Nix commands interpret the following environment variables:
If `NIX_PATH` is not set at all, Nix will fall back to the following list in impure and unrestricted evaluation mode: If `NIX_PATH` is not set at all, Nix will fall back to the following list in impure and unrestricted evaluation mode:
1. `$HOME/.nix-defexpr/channels` 1. `$HOME/.nix-defexpr/channels`
2. `nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixpkgs` 2. `nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixpkgs`
3. `/nix/var/nix/profiles/per-user/root/channels` 3. `/nix/var/nix/profiles/per-user/root/channels`
If `NIX_PATH` is set to an empty string the above fallback will not happen and building will fail with:
`error: file 'nixpkgs' was not found in the Nix search path`
- [`NIX_IGNORE_SYMLINK_STORE`]{#env-NIX_IGNORE_SYMLINK_STORE}\ - [`NIX_IGNORE_SYMLINK_STORE`]{#env-NIX_IGNORE_SYMLINK_STORE}\
Normally, the Nix store directory (typically `/nix/store`) is not Normally, the Nix store directory (typically `/nix/store`) is not