6 files changed, 19 insertions, 5 deletions
diff --git a/src/libfetchers/attrs.hh b/src/libfetchers/attrs.hh
index e41037633..1a14bb023 100644
--- a/src/libfetchers/attrs.hh
+++ b/src/libfetchers/attrs.hh
@@ -1,4 +1,5 @@
 #pragma once
+///@file
 
 #include "types.hh"
 
diff --git a/src/libfetchers/cache.hh b/src/libfetchers/cache.hh
index 3763ee2a6..ae398d040 100644
--- a/src/libfetchers/cache.hh
+++ b/src/libfetchers/cache.hh
@@ -1,4 +1,5 @@
 #pragma once
+///@file
 
 #include "fetchers.hh"
 
diff --git a/src/libfetchers/fetch-settings.hh b/src/libfetchers/fetch-settings.hh
index 7049dea30..6108a179c 100644
--- a/src/libfetchers/fetch-settings.hh
+++ b/src/libfetchers/fetch-settings.hh
@@ -1,4 +1,5 @@
 #pragma once
+///@file
 
 #include "types.hh"
 #include "config.hh"
@@ -75,21 +76,25 @@ struct FetchSettings : public Config
           Path or URI of the global flake registry.
 
           When empty, disables the global flake registry.
-        )"};
+        )",
+        {}, true, Xp::Flakes};
 
 
     Setting<bool> useRegistries{this, true, "use-registries",
-        "Whether to use flake registries to resolve flake references."};
+        "Whether to use flake registries to resolve flake references.",
+        {}, true, Xp::Flakes};
 
     Setting<bool> acceptFlakeConfig{this, false, "accept-flake-config",
-        "Whether to accept nix configuration from a flake without prompting."};
+        "Whether to accept nix configuration from a flake without prompting.",
+        {}, true, Xp::Flakes};
 
     Setting<std::string> commitLockFileSummary{
         this, "", "commit-lockfile-summary",
         R"(
           The commit summary to use when committing changed flake lock files. If
           empty, the summary is generated based on the action performed.
-        )"};
+        )",
+        {}, true, Xp::Flakes};
 };
 
 // FIXME: don't use a global variable.
diff --git a/src/libfetchers/fetchers.hh b/src/libfetchers/fetchers.hh
index 17da37f47..acdecea57 100644
--- a/src/libfetchers/fetchers.hh
+++ b/src/libfetchers/fetchers.hh
@@ -1,4 +1,5 @@
 #pragma once
+///@file
 
 #include "types.hh"
 #include "hash.hh"
@@ -63,6 +64,11 @@ public:
        one that contains a commit hash or content hash. */
     bool isLocked() const { return locked; }
 
+    /* Check whether the input carries all necessary info required
+       for cache insertion and substitution.
+       These fields are used to uniquely identify cached trees
+       within the "tarball TTL" window without necessarily
+       indicating that the input's origin is unchanged. */
     bool hasAllInfo() const;
 
     bool operator ==(const Input & other) const;
diff --git a/src/libfetchers/git.cc b/src/libfetchers/git.cc
index 309a143f5..1da8c9609 100644
--- a/src/libfetchers/git.cc
+++ b/src/libfetchers/git.cc
@@ -266,7 +266,7 @@ struct GitInputScheme : InputScheme
         for (auto & [name, value] : url.query) {
             if (name == "rev" || name == "ref")
                 attrs.emplace(name, value);
-            else if (name == "shallow" || name == "submodules")
+            else if (name == "shallow" || name == "submodules" || name == "allRefs")
                 attrs.emplace(name, Explicit<bool> { value == "1" });
             else
                 url2.query.emplace(name, value);
diff --git a/src/libfetchers/registry.hh b/src/libfetchers/registry.hh
index 260a2c460..f57ab1e6b 100644
--- a/src/libfetchers/registry.hh
+++ b/src/libfetchers/registry.hh
@@ -1,4 +1,5 @@
 #pragma once
+///@file
 
 #include "types.hh"
 #include "fetchers.hh"