[PATCH v2 08/16] list-objects.c: add show_tree_entry callback to traverse_commit_list

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

This helps construct tree dictionary in pack v4.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin/pack-objects.c | 2 +-
 builtin/rev-list.c     | 4 ++--
 list-objects.c         | 9 ++++++++-
 list-objects.h         | 3 ++-
 upload-pack.c          | 2 +-
 5 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index ef68fc5..b38d3dc 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -2380,7 +2380,7 @@ static void get_object_list(int ac, const char **av)
 	if (prepare_revision_walk(&revs))
 		die("revision walk setup failed");
 	mark_edges_uninteresting(revs.commits, &revs, show_edge);
-	traverse_commit_list(&revs, show_commit, show_object, NULL);
+	traverse_commit_list(&revs, show_commit, NULL, show_object, NULL);
 
 	if (keep_unreachable)
 		add_objects_in_unpacked_packs(&revs);
diff --git a/builtin/rev-list.c b/builtin/rev-list.c
index a5ec30d..b25f896 100644
--- a/builtin/rev-list.c
+++ b/builtin/rev-list.c
@@ -243,7 +243,7 @@ static int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
 		strcpy(hex, sha1_to_hex(revs->commits->item->object.sha1));
 
 	if (flags & BISECT_SHOW_ALL) {
-		traverse_commit_list(revs, show_commit, show_object, info);
+		traverse_commit_list(revs, show_commit, NULL, show_object, info);
 		printf("------\n");
 	}
 
@@ -348,7 +348,7 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
 			return show_bisect_vars(&info, reaches, all);
 	}
 
-	traverse_commit_list(&revs, show_commit, show_object, &info);
+	traverse_commit_list(&revs, show_commit, NULL, show_object, &info);
 
 	if (revs.count) {
 		if (revs.left_right && revs.cherry_mark)
diff --git a/list-objects.c b/list-objects.c
index 3dd4a96..6def897 100644
--- a/list-objects.c
+++ b/list-objects.c
@@ -61,6 +61,7 @@ static void process_gitlink(struct rev_info *revs,
 
 static void process_tree(struct rev_info *revs,
 			 struct tree *tree,
+			 show_tree_entry_fn show_tree_entry,
 			 show_object_fn show,
 			 struct name_path *path,
 			 struct strbuf *base,
@@ -107,9 +108,13 @@ static void process_tree(struct rev_info *revs,
 				continue;
 		}
 
+		if (show_tree_entry)
+			show_tree_entry(&entry, cb_data);
+
 		if (S_ISDIR(entry.mode))
 			process_tree(revs,
 				     lookup_tree(entry.sha1),
+				     show_tree_entry,
 				     show, &me, base, entry.path,
 				     cb_data);
 		else if (S_ISGITLINK(entry.mode))
@@ -167,6 +172,7 @@ static void add_pending_tree(struct rev_info *revs, struct tree *tree)
 
 void traverse_commit_list(struct rev_info *revs,
 			  show_commit_fn show_commit,
+			  show_tree_entry_fn show_tree_entry,
 			  show_object_fn show_object,
 			  void *data)
 {
@@ -196,7 +202,8 @@ void traverse_commit_list(struct rev_info *revs,
 			continue;
 		}
 		if (obj->type == OBJ_TREE) {
-			process_tree(revs, (struct tree *)obj, show_object,
+			process_tree(revs, (struct tree *)obj,
+				     show_tree_entry, show_object,
 				     NULL, &base, name, data);
 			continue;
 		}
diff --git a/list-objects.h b/list-objects.h
index 3db7bb6..297b2e0 100644
--- a/list-objects.h
+++ b/list-objects.h
@@ -2,8 +2,9 @@
 #define LIST_OBJECTS_H
 
 typedef void (*show_commit_fn)(struct commit *, void *);
+typedef void (*show_tree_entry_fn)(const struct name_entry *, void *);
 typedef void (*show_object_fn)(struct object *, const struct name_path *, const char *, void *);
-void traverse_commit_list(struct rev_info *, show_commit_fn, show_object_fn, void *);
+void traverse_commit_list(struct rev_info *, show_commit_fn, show_tree_entry_fn, show_object_fn, void *);
 
 typedef void (*show_edge_fn)(struct commit *);
 void mark_edges_uninteresting(struct commit_list *, struct rev_info *, show_edge_fn);
diff --git a/upload-pack.c b/upload-pack.c
index 127e59a..ccf76d9 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -125,7 +125,7 @@ static int do_rev_list(int in, int out, void *user_data)
 		for (i = 0; i < extra_edge_obj.nr; i++)
 			fprintf(pack_pipe, "-%s\n", sha1_to_hex(
 					extra_edge_obj.objects[i].item->sha1));
-	traverse_commit_list(&revs, show_commit, show_object, NULL);
+	traverse_commit_list(&revs, show_commit, NULL, show_object, NULL);
 	fflush(pack_pipe);
 	fclose(pack_pipe);
 	return 0;
-- 
1.8.2.83.gc99314b