Remove TreeInfo

The attributes previously stored in TreeInfo (narHash, revCount,
lastModified) are now stored in Input. This makes it less arbitrary
what attributes are stored where.

As a result, the lock file format has changed. An entry like

    "info": {
      "lastModified": 1585405475,
      "narHash": "sha256-bESW0n4KgPmZ0luxvwJ+UyATrC6iIltVCsGdLiphVeE="
    },
    "locked": {
      "owner": "NixOS",
      "repo": "nixpkgs",
      "rev": "b88ff468e9850410070d4e0ccd68c7011f15b2be",
      "type": "github"
    },

is now stored as

    "locked": {
      "owner": "NixOS",
      "repo": "nixpkgs",
      "rev": "b88ff468e9850410070d4e0ccd68c7011f15b2be",
      "type": "github",
      "lastModified": 1585405475,
      "narHash": "sha256-bESW0n4KgPmZ0luxvwJ+UyATrC6iIltVCsGdLiphVeE="
    },

The 'Input' class is now a dumb set of attributes. All the fetcher
implementations subclass InputScheme, not Input. This simplifies the
API.

Also, fix substitution of flake inputs. This was broken since lazy
flake fetching started using fetchTree internally.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/nix/installables.cc b/src/nix/installables.cc
index fde1ca7aa..86d3bfd20 100644
--- a/src/nix/installables.cc
+++ b/src/nix/installables.cc
@@ -194,7 +194,7 @@ void EvalCommand::completeFlakeRef(std::string_view prefix)
     /* Look for registry entries that match the prefix. */
     for (auto & registry : fetchers::getRegistries(getStore())) {
         for (auto & entry : registry->entries) {
-            auto from = entry.from->to_string();
+            auto from = entry.from.to_string();
             if (!hasPrefix(prefix, "flake:") && hasPrefix(from, "flake:")) {
                 std::string from2(from, 6);
                 if (hasPrefix(from2, prefix))