Ensure that attrsets are sorted

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.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/libexpr/value.hh b/src/libexpr/value.hh
index 6b4f3c0ae..a8fea02dc 100644
--- a/src/libexpr/value.hh
+++ b/src/libexpr/value.hh
@@ -10,6 +10,8 @@
 
 namespace nix {
 
+class BindingsBuilder;
+
 
 typedef enum {
     tInt = 1,
@@ -235,6 +237,10 @@ public:
         string.context = context;
     }
 
+    void mkString(std::string_view s);
+
+    void mkString(std::string_view s, const PathSet & context);
+
     inline void mkPath(const char * s)
     {
         clearValue();
@@ -255,6 +261,8 @@ public:
         attrs = a;
     }
 
+    Value & mkAttrs(BindingsBuilder & bindings);
+
     inline void mkList(size_t size)
     {
         clearValue();