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improve documentation about substituters and trusted users

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Co-authored-by: Théophane Hufschmitt <theophane.hufschmitt@tweag.io>
This commit is contained in:
Solène Rapenne 2023-01-20 09:46:28 +01:00
parent 64951d9125
commit 6b2729c81e
1 changed files with 15 additions and 10 deletions
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25
src/libstore/globals.hh
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@ -570,11 +570,15 @@ public:
{"cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="},
"trusted-public-keys",
R"(
A whitespace-separated list of public keys. When paths are copied
from another Nix store (such as a binary cache), they must be
signed with one of these keys. For example:
`cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
hydra.nixos.org-1:CNHJZBh9K4tP3EKF6FkkgeVYsS3ohTl+oS0Qa8bezVs=`.
A whitespace-separated list of public keys.
At least one of the following condition must be met
for Nix to accept copying a store object from another
Nix store (such as a substituter):
- the store object has been signed using a key in the trusted keys list
- the [`require-sigs`](#conf-require-sigs) option has been set to `false`
- the store object is [output-addressed](@docroot@/glossary.md#gloss-output-addressed-store-object)
)",
{"binary-cache-public-keys"}};
@ -670,13 +674,14 @@ public:
independently. Lower value means higher priority.
The default is `https://cache.nixos.org`, with a Priority of 40.
Nix will copy a store path from a remote store only if one
of the following is true:
At least one of the following conditions must be met for Nix to use
a substituter:
- the store object is signed by one of the [`trusted-public-keys`](#conf-trusted-public-keys)
- the substituter is in the [`trusted-substituters`](#conf-trusted-substituters) list
- the [`require-sigs`](#conf-require-sigs) option has been set to `false`
- the store object is [output-addressed](@docroot@/glossary.md#gloss-output-addressed-store-object)
- the user calling Nix is in the [`trusted-users`](#conf-trusted-users) list
In addition, each store path should be trusted as described
in [`trusted-public-keys`](#conf-trusted-public-keys)
)",
{"binary-caches"}};