Subject: [RFC/PATCH 2/2] Do not try to detect move/copy for entries below threshold.

From: Alexander Gavrilov <[email-masked]>
Date: Wed, 16 Jul 2008 02:00:58 +0400

Splits for such entries are rejected anyway, so there is no
point even trying to compute them.

Signed-off-by: Alexander Gavrilov <[email-masked]>
---
 builtin-blame.c |   16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/builtin-blame.c b/builtin-blame.c
index a6cf6b6..01453e2 100644
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -1020,7 +1020,8 @@ static int find_move_in_parent(struct scoreboard *sb,
 	while (made_progress) {
 		made_progress = 0;
 		for (e = sb->ent; e; e = e->next) {
-			if (e->guilty || !same_suspect(e->suspect, target))
+			if (e->guilty || !same_suspect(e->suspect, target) ||
+			    blame_move_score >= ent_score(sb, e))
 				continue;
 			find_copy_in_blob(sb, e, parent, split, &file_p);
 			if (split[1].suspect &&
@@ -1045,6 +1046,7 @@ struct blame_list {
  */
 static struct blame_list *setup_blame_list(struct scoreboard *sb,
 					   struct origin *target,
+					   int min_score,
 					   int *num_ents_p)
 {
 	struct blame_entry *e;
@@ -1052,12 +1054,16 @@ static struct blame_list *setup_blame_list(struct scoreboard *sb,
 	struct blame_list *blame_list = NULL;
 
 	for (e = sb->ent, num_ents = 0; e; e = e->next)
-		if (!e->scanned && !e->guilty && same_suspect(e->suspect, target))
+		if (!e->scanned && !e->guilty &&
+		    same_suspect(e->suspect, target) &&
+		    ent_score(sb, e) > min_score)
 			num_ents++;
 	if (num_ents) {
 		blame_list = xcalloc(num_ents, sizeof(struct blame_list));
 		for (e = sb->ent, i = 0; e; e = e->next)
-			if (!e->scanned && !e->guilty && same_suspect(e->suspect, target))
+			if (!e->scanned && !e->guilty &&
+			    same_suspect(e->suspect, target) &&
+			    ent_score(sb, e) > min_score)
 				blame_list[i++].ent = e;
 	}
 	*num_ents_p = num_ents;
@@ -1092,7 +1098,7 @@ static int find_copy_in_parent(struct scoreboard *sb,
 	struct blame_list *blame_list;
 	int num_ents;
 
-	blame_list = setup_blame_list(sb, target, &num_ents);
+	blame_list = setup_blame_list(sb, target, blame_copy_score, &num_ents);
 	if (!blame_list)
 		return 1; /* nothing remains for this target */
 
@@ -1174,7 +1180,7 @@ static int find_copy_in_parent(struct scoreboard *sb,
 
 		if (!made_progress)
 			break;
-		blame_list = setup_blame_list(sb, target, &num_ents);
+		blame_list = setup_blame_list(sb, target, blame_copy_score, &num_ents);
 		if (!blame_list) {
 			retval = 1;
 			break;
-- 
1.5.6.2.39.gd084