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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/manual/rl-next/eval-system.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/manual/rl-next/eval-system.md b/doc/manual/rl-next/eval-system.md new file mode 100644 index 000000000..a4696a56c --- /dev/null +++ b/doc/manual/rl-next/eval-system.md @@ -0,0 +1,12 @@ +--- +synopsis: Add new `eval-system` setting +prs: 4093 +--- + +Add a new `eval-system` option. +Unlike `system`, it just overrides the value of `builtins.currentSystem`. +This is more useful than overriding `system`, because you can build these derivations on remote builders which can work on the given system. +In contrast, `system` also effects scheduling which will cause Nix to build those derivations locally even if that doesn't make sense. + +`eval-system` only takes effect if it is non-empty. +If empty (the default) `system` is used as before, so there is no breakage. |