[RFC PATCH 14/15] EVIL COMMIT: Include all commits

[Elijah Newren <newren@gmail.com>]

The correct fix is to include the *relevant pieces* of all commits.  But
this is a quick stopgap that lets me test some stuff.

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 revision.c    |    5 +++--
 revision.h    |    3 ++-
 upload-pack.c |    1 +
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/revision.c b/revision.c
index 67b1a1d..c411bda 100644
--- a/revision.c
+++ b/revision.c
@@ -335,7 +335,7 @@ static int rev_compare_tree(struct rev_info *revs, struct commit *parent, struct
 	tree_difference = REV_TREE_SAME;
 	DIFF_OPT_CLR(&revs->pruning, HAS_CHANGES);
 	if (diff_tree_sha1(t1->object.sha1, t2->object.sha1, "",
-			   &revs->pruning) < 0)
+			   &revs->pruning) < 0 || revs->sparse_traversal)
 		return REV_TREE_DIFFERENT;
 	return tree_difference;
 }
@@ -380,7 +380,8 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
 		return;
 
 	if (!commit->parents) {
-		if (rev_same_tree_as_empty(revs, commit))
+		if (rev_same_tree_as_empty(revs, commit) &&
+		    !revs->sparse_traversal)
 			commit->object.flags |= TREESAME;
 		return;
 	}
diff --git a/revision.h b/revision.h
index ba879c9..17865e8 100644
--- a/revision.h
+++ b/revision.h
@@ -85,7 +85,8 @@ struct rev_info {
 			ignore_merges:1,
 			combine_merges:1,
 			dense_combined_merges:1,
-			always_show_header:1;
+			always_show_header:1,
+			sparse_traversal:1;
 
 	/* Format info */
 	unsigned int	shown_one:1,
diff --git a/upload-pack.c b/upload-pack.c
index 721197b..a58b350 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -120,6 +120,7 @@ static int do_rev_list(int in, int out, void *user_data)
 	revs.blob_objects = 1;
 	if (use_thin_pack)
 		revs.edge_hint = 1;
+	revs.sparse_traversal = 1;
 
 	for (i = 0; i < want_obj.nr; i++) {
 		struct object *o = want_obj.objects[i].item;
-- 
1.7.2.2.140.gd06af