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

2019-03-14 13:59:10 +01:00
parent 578ed7a259
commit 86f3b94c8c
1 changed files with 5 additions and 1 deletions
@@ -592,9 +592,13 @@ static void opGC(Strings opFlags, Strings opArgs)

    if (printRoots) {
        Roots roots = store->findRoots(false);
+        std::set<std::pair<Path, Path>> roots2;
+        // Transpose and sort the roots.
        for (auto & [target, links] : roots)
            for (auto & link : links)
-                cout << link << " -> " << target << std::endl;
+                roots2.emplace(link, target);
+        for (auto & [link, target] : roots2)
+            std::cout << link << " -> " << target << "\n";
    }

    else {