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Ensure that attrsets are sorted

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Previously you had to remember to call value->attrs->sort() after
populating value->attrs. Now there is a BindingsBuilder helper that
wraps Bindings and ensures that sort() is called before you can use
it.
This commit is contained in:
Eelco Dolstra 2022-01-04 17:39:16 +01:00
parent 1ffacad8a5
commit 6d9a6d2cc3
17 changed files with 260 additions and 198 deletions
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14
src/libexpr/primops/fetchMercurial.cc
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@ -70,19 +70,19 @@ static void prim_fetchMercurial(EvalState & state, const Pos & pos, Value * * ar
// FIXME: use name
auto [tree, input2] = input.fetch(state.store);
state.mkAttrs(v, 8);
auto attrs2 = state.buildBindings(8);
auto storePath = state.store->printStorePath(tree.storePath);
mkString(*state.allocAttr(v, state.sOutPath), storePath, PathSet({storePath}));
attrs2.alloc(state.sOutPath).mkString(storePath, {storePath});
if (input2.getRef())
mkString(*state.allocAttr(v, state.symbols.create("branch")), *input2.getRef());
attrs2.alloc("branch").mkString(*input2.getRef());
// Backward compatibility: set 'rev' to
// 0000000000000000000000000000000000000000 for a dirty tree.
auto rev2 = input2.getRev().value_or(Hash(htSHA1));
mkString(*state.allocAttr(v, state.symbols.create("rev")), rev2.gitRev());
mkString(*state.allocAttr(v, state.symbols.create("shortRev")), std::string(rev2.gitRev(), 0, 12));
attrs2.alloc("rev").mkString(rev2.gitRev());
attrs2.alloc("shortRev").mkString(rev2.gitRev().substr(0, 12));
if (auto revCount = input2.getRevCount())
mkInt(*state.allocAttr(v, state.symbols.create("revCount")), *revCount);
v.attrs->sort();
attrs2.alloc("revCount").mkInt(*revCount);
v.mkAttrs(attrs2);
state.allowPath(tree.storePath);
}