[PATCH v1 07/10] object_info: content_limit only applies to blobs

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Streaming is only supported for blobs, so we'd end up having to
slurp all the other object types into memory regardless.  So
slurp all the non-blob types up front when requesting content
since we always handle them in-core, anyways.

Signed-off-by: Eric Wong <e@xxxxxxxxx>
---
 builtin/cat-file.c | 51 +++++++++++++++++++++-------------------------
 object-file.c      |  3 ++-
 packfile.c         |  8 +++++---
 3 files changed, 30 insertions(+), 32 deletions(-)

diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 769c8b48d2..0752ff7a74 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -386,20 +386,39 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d
 	assert(data->info.typep);
 
 	if (data->content) {
-		batch_write(opt, data->content, data->size);
+		void *content = data->content;
+		unsigned long size = data->size;
+
+		data->content = NULL;
+		if (use_mailmap && (data->type == OBJ_COMMIT ||
+					data->type == OBJ_TAG)) {
+			size_t s = size;
+
+			if (USE_DIRECT_CACHE &&
+					data->info.whence == OI_DBCACHED) {
+				content = xmemdupz(content, s);
+				data->info.whence = OI_PACKED;
+			}
+
+			content = replace_idents_using_mailmap(content, &s);
+			size = cast_size_t_to_ulong(s);
+		}
+
+		batch_write(opt, content, size);
 		switch (data->info.whence) {
 		case OI_CACHED: BUG("FIXME OI_CACHED support not done");
 		case OI_LOOSE:
 		case OI_PACKED:
-			FREE_AND_NULL(data->content);
+			free(content);
 			break;
 		case OI_DBCACHED:
 			if (USE_DIRECT_CACHE)
 				unlock_delta_base_cache();
 			else
-				FREE_AND_NULL(data->content);
+				free(content);
 		}
-	} else if (data->type == OBJ_BLOB) {
+	} else {
+		assert(data->type == OBJ_BLOB);
 		if (opt->buffer_output)
 			fflush(stdout);
 		if (opt->transform_mode) {
@@ -434,30 +453,6 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d
 			stream_blob(oid);
 		}
 	}
-	else {
-		enum object_type type;
-		unsigned long size;
-		void *contents;
-
-		contents = repo_read_object_file(the_repository, oid, &type,
-						 &size);
-		if (!contents)
-			die("object %s disappeared", oid_to_hex(oid));
-
-		if (use_mailmap) {
-			size_t s = size;
-			contents = replace_idents_using_mailmap(contents, &s);
-			size = cast_size_t_to_ulong(s);
-		}
-
-		if (type != data->type)
-			die("object %s changed type!?", oid_to_hex(oid));
-		if (data->info.sizep && size != data->size && !use_mailmap)
-			die("object %s changed size!?", oid_to_hex(oid));
-
-		batch_write(opt, contents, size);
-		free(contents);
-	}
 }
 
 static void print_default_format(struct strbuf *scratch, struct expand_data *data,
diff --git a/object-file.c b/object-file.c
index 19100e823d..59842cfe1b 100644
--- a/object-file.c
+++ b/object-file.c
@@ -1492,7 +1492,8 @@ static int loose_object_info(struct repository *r,
 
 		if (!oi->contentp)
 			break;
-		if (oi->content_limit && *oi->sizep > oi->content_limit) {
+		if (oi->content_limit && *oi->typep == OBJ_BLOB &&
+				*oi->sizep > oi->content_limit) {
 			git_inflate_end(&stream);
 			oi->contentp = NULL;
 			goto cleanup;
diff --git a/packfile.c b/packfile.c
index c2ba6ab203..01ce3a49db 100644
--- a/packfile.c
+++ b/packfile.c
@@ -1542,7 +1542,7 @@ int packed_object_info(struct repository *r, struct packed_git *p,
 			if (oi->direct_cache) {
 				lock_delta_base_cache();
 				*oi->contentp = ent->data;
-			} else if (!oi->content_limit ||
+			} else if (type != OBJ_BLOB || !oi->content_limit ||
 					ent->size <= oi->content_limit) {
 				*oi->contentp = xmemdupz(ent->data, ent->size);
 			} else {
@@ -1579,10 +1579,12 @@ int packed_object_info(struct repository *r, struct packed_git *p,
 		}
 
 		if (oi->contentp) {
-			if (oi->sizep && *oi->sizep <= oi->content_limit) {
+			final_type = packed_to_object_type(r, p, obj_offset,
+						     type, &w_curs, curpos);
+			if (final_type != OBJ_BLOB || (oi->sizep &&
+					*oi->sizep <= oi->content_limit)) {
 				*oi->contentp = unpack_entry(r, p, obj_offset,
 							&type, oi->sizep);
-				final_type = type;
 				if (!*oi->contentp)
 					type = OBJ_BAD;
 			} else {




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