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nix-store --gc --print-roots: Sort output

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Eelco Dolstra 2019-03-14 13:59:10 +01:00
parent 578ed7a259
commit 86f3b94c8c
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1 changed files with 5 additions and 1 deletions
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6
src/nix-store/nix-store.cc
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@ -592,9 +592,13 @@ static void opGC(Strings opFlags, Strings opArgs)
if (printRoots) { if (printRoots) {
Roots roots = store->findRoots(false); Roots roots = store->findRoots(false);
std::set<std::pair<Path, Path>> roots2;
// Transpose and sort the roots.
for (auto & [target, links] : roots) for (auto & [target, links] : roots)
for (auto & link : links) for (auto & link : links)
cout << link << " -> " << target << std::endl; roots2.emplace(link, target);
for (auto & [link, target] : roots2)
std::cout << link << " -> " << target << "\n";
} }
else { else {