rev-list: move code to show bisect vars into its own function

This is a straightforward clean up to make "cmd_rev_list" function
smaller.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-rev-list.c

@@ -226,6 +226,49 @@ static int estimate_bisect_steps(int all)
 	return (e < 3 * x) ? n : n - 1;
 }
 
+static int show_bisect_vars(int reaches, int all, int bisect_find_all)
+{
+	int cnt;
+	char hex[41];
+
+	if (!revs.commits)
+		return 1;
+
+	/*
+	 * revs.commits can reach "reaches" commits among
+	 * "all" commits.  If it is good, then there are
+	 * (all-reaches) commits left to be bisected.
+	 * On the other hand, if it is bad, then the set
+	 * to bisect is "reaches".
+	 * A bisect set of size N has (N-1) commits further
+	 * to test, as we already know one bad one.
+	 */
+	cnt = all - reaches;
+	if (cnt < reaches)
+		cnt = reaches;
+	strcpy(hex, sha1_to_hex(revs.commits->item->object.sha1));
+
+	if (bisect_find_all) {
+		traverse_commit_list(&revs, show_commit, show_object);
+		printf("------\n");
+	}
+
+	printf("bisect_rev=%s\n"
+	       "bisect_nr=%d\n"
+	       "bisect_good=%d\n"
+	       "bisect_bad=%d\n"
+	       "bisect_all=%d\n"
+	       "bisect_steps=%d\n",
+	       hex,
+	       cnt - 1,
+	       all - reaches - 1,
+	       reaches - 1,
+	       all,
+	       estimate_bisect_steps(all));
+
+	return 0;
+}
+
 int cmd_rev_list(int argc, const char **argv, const char *prefix)
 {
 	struct commit_list *list;
@@ -313,44 +356,8 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
 
 		revs.commits = find_bisection(revs.commits, &reaches, &all,
 					      bisect_find_all);
-		if (bisect_show_vars) {
-			int cnt;
-			char hex[41];
-			if (!revs.commits)
-				return 1;
-			/*
-			 * revs.commits can reach "reaches" commits among
-			 * "all" commits.  If it is good, then there are
-			 * (all-reaches) commits left to be bisected.
-			 * On the other hand, if it is bad, then the set
-			 * to bisect is "reaches".
-			 * A bisect set of size N has (N-1) commits further
-			 * to test, as we already know one bad one.
-			 */
-			cnt = all - reaches;
-			if (cnt < reaches)
-				cnt = reaches;
-			strcpy(hex, sha1_to_hex(revs.commits->item->object.sha1));
-
-			if (bisect_find_all) {
-				traverse_commit_list(&revs, show_commit, show_object);
-				printf("------\n");
-			}
-
-			printf("bisect_rev=%s\n"
-			       "bisect_nr=%d\n"
-			       "bisect_good=%d\n"
-			       "bisect_bad=%d\n"
-			       "bisect_all=%d\n"
-			       "bisect_steps=%d\n",
-			       hex,
-			       cnt - 1,
-			       all - reaches - 1,
-			       reaches - 1,
-			       all,
-			       estimate_bisect_steps(all));
-			return 0;
-		}
+		if (bisect_show_vars)
+			return show_bisect_vars(reaches, all, bisect_find_all);
 	}
 
 	traverse_commit_list(&revs,