Add "--show-all" revision walker flag for debugging

diff --git a/revision.c b/revision.c
index 6e85aaa3fb30e98f3b02f094af7f1763577cdb8d..76faf4b0094f6da1c3cd1f7b3e03b5a2fed29cee 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -558,6 +558,12 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
        free_patch_ids(&ids);
 }
 
+static void add_to_list(struct commit_list **p, struct commit *commit, struct commit_list *n)
+{
+       p = &commit_list_insert(commit, p)->next;
+       *p = n;
+}
+
 static int limit_list(struct rev_info *revs)
 {
        struct commit_list *list = revs->commits;
@@ -579,9 +585,13 @@ static int limit_list(struct rev_info *revs)
                        return -1;
                if (obj->flags & UNINTERESTING) {
                        mark_parents_uninteresting(commit);
-                       if (everybody_uninteresting(list))
+                       if (everybody_uninteresting(list)) {
+                               if (revs->show_all)
+                                       add_to_list(p, commit, list);
                                break;
-                       continue;
+                       }
+                       if (!revs->show_all)
+                               continue;
                }
                if (revs->min_age != -1 && (commit->date > revs->min_age))
                        continue;
@@ -1055,6 +1065,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                revs->dense = 0;
                                continue;
                        }
+                       if (!strcmp(arg, "--show-all")) {
+                               revs->show_all = 1;
+                               continue;
+                       }
                        if (!strcmp(arg, "--remove-empty")) {
                                revs->remove_empty_trees = 1;
                                continue;
@@ -1438,6 +1452,8 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
                return commit_ignore;
        if (revs->unpacked && has_sha1_pack(commit->object.sha1, revs->ignore_packed))
                return commit_ignore;
+       if (revs->show_all)
+               return commit_show;
        if (commit->object.flags & UNINTERESTING)
                return commit_ignore;
        if (revs->min_age != -1 && (commit->date > revs->min_age))