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Add --inputs-from to use flake inputs as registry entries

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This allows you to refer to an input from another flake. For example,

  $ nix run --inputs-from /path/to/hydra nixpkgs#hello

runs 'hello' from the 'nixpkgs' inputs of the 'hydra' flake.

Fixes #3769.
This commit is contained in:
Eelco Dolstra 2020-07-01 20:23:39 +02:00
parent 7d554f295c
commit d746503e5c
2 changed files with 27 additions and 0 deletions
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2
src/libfetchers/registry.cc
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@ -204,6 +204,8 @@ std::pair<Input, Attrs> lookupInRegistries(
if (!input.isDirect())
throw Error("cannot find flake '%s' in the flake registries", input.to_string());
debug("looked up '%s' -> '%s'", _input.to_string(), input.to_string());
return {input, extraAttrs};
}