* Performance improvement: don't register already registered terms,
thus greatly reducing the number of db transactions.
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@ -37,12 +37,15 @@ Path writeTerm(ATerm t, const string & suffix)
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Path path = canonPath(nixStore + "/" +
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(string) h + suffix + ".nix");
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if (!isValidPath(path)) {
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if (!ATwriteToNamedTextFile(t, path.c_str()))
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throw Error(format("cannot write aterm %1%") % path);
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Transaction txn(nixDB);
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registerValidPath(txn, path);
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txn.commit();
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}
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return path;
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}
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