Fix "git show --stat"

[git.git] / revision.c

diff --git a/revision.c b/revision.c
index 9693b6e..f9c7d15 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -152,6 +152,7 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
                if (parse_commit(commit) < 0)
                        die("unable to parse commit %s", name);
                if (flags & UNINTERESTING) {
+                       commit->object.flags |= UNINTERESTING;
                        mark_parents_uninteresting(commit);
                        revs->limited = 1;
                }
@@ -380,6 +381,9 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
        if (revs->prune_fn)
                revs->prune_fn(revs, commit);
 
+       if (revs->no_walk)
+               return;
+
        parent = commit->parents;
        while (parent) {
                struct commit *p = parent->item;
@@ -495,7 +499,6 @@ void init_revisions(struct rev_info *revs)
        revs->topo_setter = topo_sort_default_setter;
        revs->topo_getter = topo_sort_default_getter;
 
-       revs->header_prefix = "";
        revs->commit_format = CMIT_FMT_DEFAULT;
 
        diff_setup(&revs->diffopt);
@@ -672,12 +675,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                        }
                        if (!strcmp(arg, "-v")) {
                                revs->verbose_header = 1;
-                               revs->header_prefix = "diff-tree ";
                                continue;
                        }
                        if (!strncmp(arg, "--pretty", 8)) {
                                revs->verbose_header = 1;
-                               revs->header_prefix = "diff-tree ";
                                revs->commit_format = get_commit_format(arg+8);
                                continue;
                        }
@@ -788,11 +789,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
        }
        if (revs->combine_merges) {
                revs->ignore_merges = 0;
-               if (revs->dense_combined_merges)
+               if (revs->dense_combined_merges &&
+                   (revs->diffopt.output_format != DIFF_FORMAT_DIFFSTAT))
                        revs->diffopt.output_format = DIFF_FORMAT_PATCH;
        }
-       if (revs->diffopt.output_format == DIFF_FORMAT_PATCH)
-               revs->diffopt.recursive = 1;
        revs->diffopt.abbrev = revs->abbrev;
        diff_setup_done(&revs->diffopt);
 
@@ -816,6 +816,8 @@ void prepare_revision_walk(struct rev_info *revs)
                list = list->next;
        }
 
+       if (revs->no_walk)
+               return;
        if (revs->limited)
                limit_list(revs);
        if (revs->topo_order)
@@ -851,6 +853,17 @@ static void rewrite_parents(struct rev_info *revs, struct commit *commit)
        }
 }
 
+static void mark_boundary_to_show(struct commit *commit)
+{
+       struct commit_list *p = commit->parents;
+       while (p) {
+               commit = p->item;
+               p = p->next;
+               if (commit->object.flags & BOUNDARY)
+                       commit->object.flags |= BOUNDARY_SHOW;
+       }
+}
+
 struct commit *get_revision(struct rev_info *revs)
 {
        struct commit_list *list = revs->commits;
@@ -888,8 +901,20 @@ struct commit *get_revision(struct rev_info *revs)
                }
                if (commit->object.flags & SHOWN)
                        continue;
-               if (!(commit->object.flags & BOUNDARY) &&
-                   (commit->object.flags & UNINTERESTING))
+
+               /* We want to show boundary commits only when their
+                * children are shown.  When path-limiter is in effect,
+                * rewrite_parents() drops some commits from getting shown,
+                * and there is no point showing boundary parents that
+                * are not shown.  After rewrite_parents() rewrites the
+                * parents of a commit that is shown, we mark the boundary
+                * parents with BOUNDARY_SHOW.
+                */
+               if (commit->object.flags & BOUNDARY_SHOW) {
+                       commit->object.flags |= SHOWN;
+                       return commit;
+               }
+               if (commit->object.flags & UNINTERESTING)
                        continue;
                if (revs->min_age != -1 && (commit->date > revs->min_age))
                        continue;
@@ -902,6 +927,8 @@ struct commit *get_revision(struct rev_info *revs)
                        if (revs->parents)
                                rewrite_parents(revs, commit);
                }
+               if (revs->boundary)
+                       mark_boundary_to_show(commit);
                commit->object.flags |= SHOWN;
                return commit;
        } while (revs->commits);