[PATCH 3/4] Move some bisection code into best_bisection.

[Christian Couder <chriscool@tuxfamily.org>]

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 builtin-rev-list.c |   19 +++++++++++++++----
 1 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/builtin-rev-list.c b/builtin-rev-list.c
index 4e2524a..e5e8011 100644
--- a/builtin-rev-list.c
+++ b/builtin-rev-list.c
@@ -258,6 +258,8 @@ static void show_list(const char *debug, int counted, int nr,
 static struct commit_list *do_find_bisection(struct commit_list *list,
 					     int nr, int *weights);
 
+static struct commit_list *best_bisection(struct commit_list *list, int nr);
+
 /*
  * zero or positive weight is the number of interesting commits it can
  * reach, including itself.  Especially, weight = 0 means it does not
@@ -321,7 +323,7 @@ static struct commit_list *do_find_bisection(struct commit_list *list,
 					     int nr, int *weights)
 {
 	int n, counted, distance;
-	struct commit_list *p, *best;
+	struct commit_list *p;
 
 	counted = 0;
 
@@ -426,9 +428,17 @@ static struct commit_list *do_find_bisection(struct commit_list *list,
 	show_list("bisection 2 counted all", counted, nr, list);
 
 	/* Then find the best one */
-	counted = -1;
+	return best_bisection(list, nr);
+}
+
+static struct commit_list *best_bisection(struct commit_list *list, int nr)
+{
+	struct commit_list *p, *best;
+	int best_distance = -1;
+
 	best = list;
 	for (p = list; p; p = p->next) {
+		int distance;
 		unsigned flags = p->item->object.flags;
 
 		if (revs.prune_fn && !(flags & TREECHANGE))
@@ -436,11 +446,12 @@ static struct commit_list *do_find_bisection(struct commit_list *list,
 		distance = weight(p);
 		if (nr - distance < distance)
 			distance = nr - distance;
-		if (distance > counted) {
+		if (distance > best_distance) {
 			best = p;
-			counted = distance;
+			best_distance = distance;
 		}
 	}
+
 	return best;
 }
 
-- 
1.5.2.1.144.gabc40