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manual: update docs when NIX_PATH is empty

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Andrei Boar 2022-08-04 14:19:51 +03:00
parent 075bf6e556
commit 5a75aa8595
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6
doc/manual/src/command-ref/env-common.md
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@ -44,6 +44,12 @@ Most Nix commands interpret the following environment variables:
The Nix search path can also be extended using the `-I` option to The Nix search path can also be extended using the `-I` option to
many Nix commands, which takes precedence over `NIX_PATH`. many Nix commands, which takes precedence over `NIX_PATH`.
If `NIX_PATH` is not set or empty, Nix will look up the following locations for a revision of `nixpkgs`:
1. `$HOME/.nix-defexpr/channels`
2. `/nix/var/nix/profiles/per-user/root/channels/nixpkgs`
3. `/nix/var/nix/profiles/per-user/root/channels.`
- [`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
allowed to contain any symlink components. This is to prevent allowed to contain any symlink components. This is to prevent