Split 'nix store add-to-store' into 'add-path' and 'add-file'

This makes it consistent with 'nix hash <path|file>'.

src/nix/add-file.md

@@ -2,8 +2,8 @@ R""(
 
 # Description
 
-Copy the file or directory *path* to the Nix store, and
-print the resulting store path on standard output.
+Copy the regular file *path* to the Nix store, and print the resulting
+store path on standard output.
 
 > **Warning**
 >
@@ -18,7 +18,7 @@ Add a regular file to the store:
 ```console
 # echo foo > bar
 
-# nix add-to-store --flat ./bar
+# nix store add-file ./bar
 /nix/store/cbv2s4bsvzjri77s2gb8g8bpcb6dpa8w-bar
 
 # cat /nix/store/cbv2s4bsvzjri77s2gb8g8bpcb6dpa8w-bar

src/nix/add-path.md

@@ -0,0 +1,29 @@
+R""(
+
+# Description
+
+Copy *path* to the Nix store, and print the resulting store path on
+standard output.
+
+> **Warning**
+>
+> The resulting store path is not registered as a garbage
+> collector root, so it could be deleted before you have a
+> chance to register it.
+
+# Examples
+
+Add a directory to the store:
+
+```console
+# mkdir dir
+# echo foo > dir/bar
+
+# nix store add-path ./dir
+/nix/store/6pmjx56pm94n66n4qw1nff0y1crm8nqg-dir
+
+# cat /nix/store/6pmjx56pm94n66n4qw1nff0y1crm8nqg-dir/bar
+foo
+```
+
+)""

src/nix/add-to-store.cc

@@ -9,10 +9,11 @@ struct CmdAddToStore : MixDryRun, StoreCommand
 {
     Path path;
     std::optional<std::string> namePart;
-    FileIngestionMethod ingestionMethod = FileIngestionMethod::Recursive;
+    FileIngestionMethod ingestionMethod;
 
     CmdAddToStore()
     {
+        // FIXME: completion
         expectArg("path", &path);
 
         addFlag({
@@ -22,25 +23,6 @@ struct CmdAddToStore : MixDryRun, StoreCommand
             .labels = {"name"},
             .handler = {&namePart},
         });
-
-        addFlag({
-            .longName = "flat",
-            .shortName = 0,
-            .description = "add flat file to the Nix store",
-            .handler = {&ingestionMethod, FileIngestionMethod::Flat},
-        });
-    }
-
-    std::string description() override
-    {
-        return "add a path to the Nix store";
-    }
-
-    std::string doc() override
-    {
-        return
-          #include "add-to-store.md"
-          ;
     }
 
     void run(ref<Store> store) override
@@ -78,4 +60,45 @@ struct CmdAddToStore : MixDryRun, StoreCommand
     }
 };
 
-static auto rCmdAddToStore = registerCommand2<CmdAddToStore>({"store", "add-path"});
+struct CmdAddFile : CmdAddToStore
+{
+    CmdAddFile()
+    {
+        ingestionMethod = FileIngestionMethod::Flat;
+    }
+
+    std::string description() override
+    {
+        return "add a regular file to the Nix store";
+    }
+
+    std::string doc() override
+    {
+        return
+          #include "add-file.md"
+          ;
+    }
+};
+
+struct CmdAddPath : CmdAddToStore
+{
+    CmdAddPath()
+    {
+        ingestionMethod = FileIngestionMethod::Recursive;
+    }
+
+    std::string description() override
+    {
+        return "add a path to the Nix store";
+    }
+
+    std::string doc() override
+    {
+        return
+          #include "add-path.md"
+          ;
+    }
+};
+
+static auto rCmdAddFile = registerCommand2<CmdAddFile>({"store", "add-file"});
+static auto rCmdAddPath = registerCommand2<CmdAddPath>({"store", "add-path"});

tests/fetchurl.sh

@@ -36,7 +36,7 @@ other_store=file://$TEST_ROOT/other_store?store=/fnord/store
 
 hash=$(nix hash file --type sha256 --base16 ./fetchurl.sh)
 
-storePath=$(nix --store $other_store store add-path --flat ./fetchurl.sh)
+storePath=$(nix --store $other_store store add-file ./fetchurl.sh)
 
 outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr sha256 $hash --no-out-link --substituters $other_store)