git-merge: add --ff and --no-ff options

[git.git] / builtin-rev-list.c

diff --git a/builtin-rev-list.c b/builtin-rev-list.c
index 8c9635abeac5f548b4ad4bbc31d6fce79332e1e9..38946339999e4e136b898b8f314e27d22ec1decb 100644 (file)
--- a/builtin-rev-list.c
+++ b/builtin-rev-list.c
@@ -189,7 +189,7 @@ static int count_interesting_parents(struct commit *commit)
        return count;
 }
 
-static inline int halfway(struct commit_list *p, int distance, int nr)
+static inline int halfway(struct commit_list *p, int nr)
 {
        /*
         * Don't short-cut something we are not going to return!
@@ -202,8 +202,7 @@ static inline int halfway(struct commit_list *p, int distance, int nr)
         * 2 and 3 are halfway of 5.
         * 3 is halfway of 6 but 2 and 4 are not.
         */
-       distance *= 2;
-       switch (distance - nr) {
+       switch (2 * weight(p) - nr) {
        case -1: case 0: case 1:
                return 1;
        default:
@@ -295,7 +294,7 @@ static struct commit_list *best_bisection(struct commit_list *list, int nr)
 static struct commit_list *do_find_bisection(struct commit_list *list,
                                             int nr, int *weights)
 {
-       int n, counted, distance;
+       int n, counted;
        struct commit_list *p;
 
        counted = 0;
@@ -346,15 +345,13 @@ static struct commit_list *do_find_bisection(struct commit_list *list,
        for (p = list; p; p = p->next) {
                if (p->item->object.flags & UNINTERESTING)
                        continue;
-               n = weight(p);
-               if (n != -2)
+               if (weight(p) != -2)
                        continue;
-               distance = count_distance(p);
+               weight_set(p, count_distance(p));
                clear_distance(list);
-               weight_set(p, distance);
 
                /* Does it happen to be at exactly half-way? */
-               if (halfway(p, distance, nr))
+               if (halfway(p, nr))
                        return p;
                counted++;
        }
@@ -392,8 +389,7 @@ static struct commit_list *do_find_bisection(struct commit_list *list,
                                weight_set(p, weight(q));
 
                        /* Does it happen to be at exactly half-way? */
-                       distance = weight(p);
-                       if (halfway(p, distance, nr))
+                       if (halfway(p, nr))
                                return p;
                }
        }
@@ -440,10 +436,10 @@ static struct commit_list *find_bisection(struct commit_list *list,
        /* Do the real work of finding bisection commit. */
        best = do_find_bisection(list, nr, weights);
 
-       if (best)
+       if (best) {
                best->next = NULL;
-
-       *reaches = weight(best);
+               *reaches = weight(best);
+       }
        free(weights);
 
        return best;