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Get deriver when passing --derivation

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This makes Nix look up paths derivations when they are passed as a
store paths. So:

$ nix path-info --derivation /nix/store/0pisd259nldh8yfjvw663mspm60cn5v8-hello-2.10

now gives

/nix/store/qp724w90516n4bk5r9gfb37vzmqdh3z7-hello-2.10.drv

instead of "".

If no deriver is available, Nix now errors instead of silently
ignoring that argument.
This commit is contained in:
Matthew Bauer 2021-04-21 15:26:14 -05:00
parent 8d651a1f68
commit 428062e578
1 changed files with 2 additions and 4 deletions
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6
src/libcmd/installables.cc
View file

@ -754,10 +754,8 @@ std::set<RealisedPath> toRealisedPaths(
if (mode == Realise::Nothing)
settings.readOnlyMode = true;
for (auto & i : installables)
for (auto & b : i->toDerivedPathsWithHints())
if (auto bfd = std::get_if<DerivedPathWithHints::Built>(&b))
res.insert(bfd->drvPath);
auto drvPaths = toDerivations(store, installables, true);
res.insert(drvPaths.begin(), drvPaths.end());
}
return res;