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Fix --profile with multiple opaque paths

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This commit is contained in:
John Ericson 2020-08-05 16:27:15 +00:00
parent d89472a912
commit a9bbfaa851
1 changed files with 6 additions and 8 deletions
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14
src/nix/command.cc
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@ -128,27 +128,25 @@ void MixProfile::updateProfile(const Buildables & buildables)
{ {
if (!profile) return; if (!profile) return;
std::optional<StorePath> result; std::vector<StorePath> result;
for (auto & buildable : buildables) { for (auto & buildable : buildables) {
std::visit(overloaded { std::visit(overloaded {
[&](BuildableOpaque bo) { [&](BuildableOpaque bo) {
result = bo.path; result.push_back(bo.path);
}, },
[&](BuildableFromDrv bfd) { [&](BuildableFromDrv bfd) {
for (auto & output : bfd.outputs) { for (auto & output : bfd.outputs) {
if (result) result.push_back(output.second);
throw Error("'--profile' requires that the arguments produce a single store path, but there are multiple");
result = output.second;
} }
}, },
}, buildable); }, buildable);
} }
if (!result) if (result.size() != 1)
throw Error("'--profile' requires that the arguments produce a single store path, but there are none"); throw Error("'--profile' requires that the arguments produce a single store path, but there are %d", result.size());
updateProfile(*result); updateProfile(result[0]);
} }
MixDefaultProfile::MixDefaultProfile() MixDefaultProfile::MixDefaultProfile()