141 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
| #include "cache.h"
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| #include "tag.h"
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| #include "commit.h"
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| #include "tree.h"
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| #include "blob.h"
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| #include "diff.h"
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| #include "tree-walk.h"
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| #include "revision.h"
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| #include "list-objects.h"
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| 
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| static void process_blob(struct rev_info *revs,
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| 			 struct blob *blob,
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| 			 struct object_array *p,
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| 			 struct name_path *path,
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| 			 const char *name)
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| {
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| 	struct object *obj = &blob->object;
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| 
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| 	if (!revs->blob_objects)
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| 		return;
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| 	if (obj->flags & (UNINTERESTING | SEEN))
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| 		return;
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| 	obj->flags |= SEEN;
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| 	name = xstrdup(name);
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| 	add_object(obj, p, path, name);
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| }
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| 
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| static void process_tree(struct rev_info *revs,
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| 			 struct tree *tree,
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| 			 struct object_array *p,
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| 			 struct name_path *path,
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| 			 const char *name)
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| {
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| 	struct object *obj = &tree->object;
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| 	struct tree_desc desc;
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| 	struct name_entry entry;
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| 	struct name_path me;
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| 
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| 	if (!revs->tree_objects)
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| 		return;
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| 	if (obj->flags & (UNINTERESTING | SEEN))
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| 		return;
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| 	if (parse_tree(tree) < 0)
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| 		die("bad tree object %s", sha1_to_hex(obj->sha1));
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| 	obj->flags |= SEEN;
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| 	name = xstrdup(name);
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| 	add_object(obj, p, path, name);
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| 	me.up = path;
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| 	me.elem = name;
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| 	me.elem_len = strlen(name);
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| 
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| 	desc.buf = tree->buffer;
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| 	desc.size = tree->size;
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| 
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| 	while (tree_entry(&desc, &entry)) {
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| 		if (S_ISDIR(entry.mode))
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| 			process_tree(revs,
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| 				     lookup_tree(entry.sha1),
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| 				     p, &me, entry.path);
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| 		else
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| 			process_blob(revs,
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| 				     lookup_blob(entry.sha1),
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| 				     p, &me, entry.path);
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| 	}
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| 	free(tree->buffer);
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| 	tree->buffer = NULL;
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| }
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| 
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| static void mark_edge_parents_uninteresting(struct commit *commit,
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| 					    struct rev_info *revs,
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| 					    show_edge_fn show_edge)
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| {
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| 	struct commit_list *parents;
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| 
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| 	for (parents = commit->parents; parents; parents = parents->next) {
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| 		struct commit *parent = parents->item;
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| 		if (!(parent->object.flags & UNINTERESTING))
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| 			continue;
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| 		mark_tree_uninteresting(parent->tree);
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| 		if (revs->edge_hint && !(parent->object.flags & SHOWN)) {
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| 			parent->object.flags |= SHOWN;
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| 			show_edge(parent);
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| 		}
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| 	}
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| }
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| 
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| void mark_edges_uninteresting(struct commit_list *list,
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| 			      struct rev_info *revs,
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| 			      show_edge_fn show_edge)
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| {
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| 	for ( ; list; list = list->next) {
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| 		struct commit *commit = list->item;
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| 
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| 		if (commit->object.flags & UNINTERESTING) {
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| 			mark_tree_uninteresting(commit->tree);
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| 			continue;
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| 		}
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| 		mark_edge_parents_uninteresting(commit, revs, show_edge);
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| 	}
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| }
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| 
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| void traverse_commit_list(struct rev_info *revs,
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| 			  void (*show_commit)(struct commit *),
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| 			  void (*show_object)(struct object_array_entry *))
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| {
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| 	int i;
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| 	struct commit *commit;
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| 	struct object_array objects = { 0, 0, NULL };
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| 
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| 	while ((commit = get_revision(revs)) != NULL) {
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| 		process_tree(revs, commit->tree, &objects, NULL, "");
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| 		show_commit(commit);
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| 	}
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| 	for (i = 0; i < revs->pending.nr; i++) {
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| 		struct object_array_entry *pending = revs->pending.objects + i;
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| 		struct object *obj = pending->item;
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| 		const char *name = pending->name;
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| 		if (obj->flags & (UNINTERESTING | SEEN))
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| 			continue;
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| 		if (obj->type == OBJ_TAG) {
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| 			obj->flags |= SEEN;
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| 			add_object_array(obj, name, &objects);
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| 			continue;
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| 		}
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| 		if (obj->type == OBJ_TREE) {
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| 			process_tree(revs, (struct tree *)obj, &objects,
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| 				     NULL, name);
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| 			continue;
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| 		}
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| 		if (obj->type == OBJ_BLOB) {
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| 			process_blob(revs, (struct blob *)obj, &objects,
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| 				     NULL, name);
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| 			continue;
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| 		}
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| 		die("unknown pending object %s (%s)",
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| 		    sha1_to_hex(obj->sha1), name);
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| 	}
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| 	for (i = 0; i < objects.nr; i++)
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| 		show_object(&objects.objects[i]);
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| }
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