Merge branch 'jc/diff-test-updates' into th/diff

diff --git a/revision.c b/revision.c
index 6a6952cd559af89d3c8dc2c477ddd8c25b470d66..ae4ca8200367a919ed5166a96624abbbe8fef15c 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -31,17 +31,12 @@ static char *path_name(struct name_path *path, const char *name)
        return n;
 }
 
-struct object_list **add_object(struct object *obj,
-                                      struct object_list **p,
-                                      struct name_path *path,
-                                      const char *name)
+void add_object(struct object *obj,
+               struct object_array *p,
+               struct name_path *path,
+               const char *name)
 {
-       struct object_list *entry = xmalloc(sizeof(*entry));
-       entry->item = obj;
-       entry->next = *p;
-       entry->name = path_name(path, name);
-       *p = entry;
-       return &entry->next;
+       add_object_array(obj, path_name(path, name), p);
 }
 
 static void mark_blob_uninteresting(struct blob *blob)
@@ -117,9 +112,9 @@ void mark_parents_uninteresting(struct commit *commit)
        }
 }
 
-static void add_pending_object(struct rev_info *revs, struct object *obj, const char *name)
+void add_pending_object(struct rev_info *revs, struct object *obj, const char *name)
 {
-       add_object(obj, &revs->pending_objects, NULL, name);
+       add_object_array(obj, name, &revs->pending);
 }
 
 static struct object *get_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
@@ -140,7 +135,7 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
        /*
         * Tag object? Look what it points to..
         */
-       while (object->type == tag_type) {
+       while (object->type == TYPE_TAG) {
                struct tag *tag = (struct tag *) object;
                if (revs->tag_objects && !(flags & UNINTERESTING))
                        add_pending_object(revs, object, tag->tag);
@@ -153,7 +148,7 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
         * Commit object? Just return it, we'll do all the complex
         * reachability crud.
         */
-       if (object->type == commit_type) {
+       if (object->type == TYPE_COMMIT) {
                struct commit *commit = (struct commit *)object;
                if (parse_commit(commit) < 0)
                        die("unable to parse commit %s", name);
@@ -169,7 +164,7 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
         * Tree object? Either mark it uniniteresting, or add it
         * to the list of objects to look at later..
         */
-       if (object->type == tree_type) {
+       if (object->type == TYPE_TREE) {
                struct tree *tree = (struct tree *)object;
                if (!revs->tree_objects)
                        return NULL;
@@ -184,7 +179,7 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
        /*
         * Blob object? You know the drill by now..
         */
-       if (object->type == blob_type) {
+       if (object->type == TYPE_BLOB) {
                struct blob *blob = (struct blob *)object;
                if (!revs->blob_objects)
                        return NULL;
@@ -303,7 +298,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
                parse_commit(p);
                switch (rev_compare_tree(revs, p->tree, commit->tree)) {
                case REV_TREE_SAME:
-                       if (p->object.flags & UNINTERESTING) {
+                       if (!revs->simplify_history || (p->object.flags & UNINTERESTING)) {
                                /* Even if a merge with an uninteresting
                                 * side branch brought the entire change
                                 * we are interested in, we do not want
@@ -498,11 +493,11 @@ static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
                return 0;
        while (1) {
                it = get_reference(revs, arg, sha1, 0);
-               if (strcmp(it->type, tag_type))
+               if (it->type != TYPE_TAG)
                        break;
                memcpy(sha1, ((struct tag*)it)->tagged->sha1, 20);
        }
-       if (strcmp(it->type, commit_type))
+       if (it->type != TYPE_COMMIT)
                return 0;
        commit = (struct commit *)it;
        for (parents = commit->parents; parents; parents = parents->next) {
@@ -519,6 +514,7 @@ void init_revisions(struct rev_info *revs)
 
        revs->abbrev = DEFAULT_ABBREV;
        revs->ignore_merges = 1;
+       revs->simplify_history = 1;
        revs->pruning.recursive = 1;
        revs->pruning.add_remove = file_add_remove;
        revs->pruning.change = file_change;
@@ -756,6 +752,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                revs->full_diff = 1;
                                continue;
                        }
+                       if (!strcmp(arg, "--full-history")) {
+                               revs->simplify_history = 0;
+                               continue;
+                       }
                        opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
                        if (opts > 0) {
                                revs->diff = 1;
@@ -831,7 +831,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                object = get_reference(revs, arg, sha1, flags ^ local_flags);
                add_pending_object(revs, object, arg);
        }
-       if (def && !revs->pending_objects) {
+       if (def && !revs->pending.nr) {
                unsigned char sha1[20];
                struct object *object;
                if (get_sha1(def, sha1))
@@ -851,8 +851,7 @@ 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 &&
-                   (revs->diffopt.output_format != DIFF_FORMAT_DIFFSTAT))
+               if (revs->dense_combined_merges && !revs->diffopt.output_format)
                        revs->diffopt.output_format = DIFF_FORMAT_PATCH;
        }
        revs->diffopt.abbrev = revs->abbrev;
@@ -863,11 +862,13 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 
 void prepare_revision_walk(struct rev_info *revs)
 {
-       struct object_list *list;
+       int nr = revs->pending.nr;
+       struct object_array_entry *list = revs->pending.objects;
 
-       list = revs->pending_objects;
-       revs->pending_objects = NULL;
-       while (list) {
+       revs->pending.nr = 0;
+       revs->pending.alloc = 0;
+       revs->pending.objects = NULL;
+       while (--nr >= 0) {
                struct commit *commit = handle_commit(revs, list->item, list->name);
                if (commit) {
                        if (!(commit->object.flags & SEEN)) {
@@ -875,7 +876,7 @@ void prepare_revision_walk(struct rev_info *revs)
                                insert_by_date(commit, &revs->commits);
                        }
                }
-               list = list->next;
+               list++;
        }
 
        if (revs->no_walk)
@@ -944,9 +945,11 @@ struct commit *get_revision(struct rev_info *revs)
        }
 
        do {
-               struct commit *commit = revs->commits->item;
+               struct commit_list *entry = revs->commits;
+               struct commit *commit = entry->item;
 
-               revs->commits = revs->commits->next;
+               revs->commits = entry->next;
+               free(entry);
 
                /*
                 * If we haven't done the list limiting, we need to look at