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nix copy: Add --out-link

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This commit is contained in:
Eelco Dolstra 2024-10-08 16:35:53 +02:00
parent 43ad8c5eb2
commit 7f6d006beb
7 changed files with 66 additions and 25 deletions
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25
src/libcmd/command.cc
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@ -334,4 +334,29 @@ void MixEnvironment::setEnviron()
}
}
void createOutLinks(
const std::filesystem::path & outLink,
const BuiltPaths & buildables,
LocalFSStore & store)
{
for (const auto & [_i, buildable] : enumerate(buildables)) {
auto i = _i;
std::visit(overloaded {
[&](const BuiltPath::Opaque & bo) {
auto symlink = outLink;
if (i) symlink += fmt("-%d", i);
store.addPermRoot(bo.path, absPath(symlink.string()));
},
[&](const BuiltPath::Built & bfd) {
for (auto & output : bfd.outputs) {
auto symlink = outLink;
if (i) symlink += fmt("-%d", i);
if (output.first != "out") symlink += fmt("-%s", output.first);
store.addPermRoot(output.second, absPath(symlink.string()));
}
},
}, buildable.raw());
}
}
}