Merge remote-tracking branch 'upstream/master' into fix-and-ci-static-builds

1 files changed, 18 insertions, 3 deletions

diff --git a/src/nix/add-to-store.cc b/src/nix/add-to-store.cc
index b3eec0146..eaec63349 100644
--- a/src/nix/add-to-store.cc
+++ b/src/nix/add-to-store.cc
@@ -9,6 +9,7 @@ struct CmdAddToStore : MixDryRun, StoreCommand
 {
     Path path;
     std::optional<std::string> namePart;
+    FileIngestionMethod ingestionMethod = FileIngestionMethod::Recursive;
 
     CmdAddToStore()
     {
@@ -21,6 +22,13 @@ 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
@@ -45,12 +53,19 @@ struct CmdAddToStore : MixDryRun, StoreCommand
 
         auto narHash = hashString(htSHA256, *sink.s);
 
-        ValidPathInfo info(store->makeFixedOutputPath(FileIngestionMethod::Recursive, narHash, *namePart));
+        Hash hash = narHash;
+        if (ingestionMethod == FileIngestionMethod::Flat) {
+            HashSink hsink(htSHA256);
+            readFile(path, hsink);
+            hash = hsink.finish().first;
+        }
+
+        ValidPathInfo info(store->makeFixedOutputPath(ingestionMethod, hash, *namePart));
         info.narHash = narHash;
         info.narSize = sink.s->size();
         info.ca = std::optional { FixedOutputHash {
-            .method = FileIngestionMethod::Recursive,
-            .hash = *info.narHash,
+            .method = ingestionMethod,
+            .hash = hash,
         } };
 
         if (!dryRun) {