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authorVincent Ambo <tazjin@google.com>2020-05-22T00·58+0100
committerVincent Ambo <tazjin@google.com>2020-05-22T00·59+0100
commit986a8f6b75ffa51682cbe730c5c2907296082cd4 (patch)
tree32c266920223bbfbf0beb49689dc05cb8eb1f2b7 /third_party/nix/src/nix-env/nix-env.cc
parent42205f27fc820ddc64616d55c04e2ffde1948043 (diff)
fix(3p/nix): Update for usage of new attribute set API r/802
The new attribute set API uses the iterators of the btree_map
directly. This requires changes in various files because the internals
of libexpr are very entangled.

This code runs and compiles, but there is a bug causing empty
attribute sets to be assigned incorrectly.
Diffstat (limited to 'third_party/nix/src/nix-env/nix-env.cc')
-rw-r--r--third_party/nix/src/nix-env/nix-env.cc5
1 files changed, 2 insertions, 3 deletions
diff --git a/third_party/nix/src/nix-env/nix-env.cc b/third_party/nix/src/nix-env/nix-env.cc
index 93a8e4c1ecdb..a645fa31489c 100644
--- a/third_party/nix/src/nix-env/nix-env.cc
+++ b/third_party/nix/src/nix-env/nix-env.cc
@@ -1209,13 +1209,12 @@ static void opQuery(Globals& globals, Strings opFlags, Strings opArgs) {
                   attrs2["type"] = "strings";
                   XMLOpenElement m(xml, "meta", attrs2);
                   Bindings& attrs = *v->attrs;
-                  for (auto& i : attrs) {
-                    Attr& a(*attrs.find(i.name));
+                  for (auto& [name, a] : attrs) {
                     if (a.value->type != tString) {
                       continue;
                     }
                     XMLAttrs attrs3;
-                    attrs3["type"] = i.name;
+                    attrs3["type"] = name;
                     attrs3["value"] = a.value->string.s;
                     xml.writeEmptyElement("string", attrs3);
                   }