Makefile: iconv() on Darwin has the old interface
[git] / list-objects.c
1 #include "cache.h"
2 #include "tag.h"
3 #include "commit.h"
4 #include "tree.h"
5 #include "blob.h"
6 #include "diff.h"
7 #include "tree-walk.h"
8 #include "revision.h"
9 #include "list-objects.h"
10
11 static void process_blob(struct rev_info *revs,
12                          struct blob *blob,
13                          struct object_array *p,
14                          struct name_path *path,
15                          const char *name)
16 {
17         struct object *obj = &blob->object;
18
19         if (!revs->blob_objects)
20                 return;
21         if (obj->flags & (UNINTERESTING | SEEN))
22                 return;
23         obj->flags |= SEEN;
24         name = xstrdup(name);
25         add_object(obj, p, path, name);
26 }
27
28 static void process_tree(struct rev_info *revs,
29                          struct tree *tree,
30                          struct object_array *p,
31                          struct name_path *path,
32                          const char *name)
33 {
34         struct object *obj = &tree->object;
35         struct tree_desc desc;
36         struct name_entry entry;
37         struct name_path me;
38
39         if (!revs->tree_objects)
40                 return;
41         if (obj->flags & (UNINTERESTING | SEEN))
42                 return;
43         if (parse_tree(tree) < 0)
44                 die("bad tree object %s", sha1_to_hex(obj->sha1));
45         obj->flags |= SEEN;
46         name = xstrdup(name);
47         add_object(obj, p, path, name);
48         me.up = path;
49         me.elem = name;
50         me.elem_len = strlen(name);
51
52         init_tree_desc(&desc, tree->buffer, tree->size);
53
54         while (tree_entry(&desc, &entry)) {
55                 if (S_ISDIR(entry.mode))
56                         process_tree(revs,
57                                      lookup_tree(entry.sha1),
58                                      p, &me, entry.path);
59                 else
60                         process_blob(revs,
61                                      lookup_blob(entry.sha1),
62                                      p, &me, entry.path);
63         }
64         free(tree->buffer);
65         tree->buffer = NULL;
66 }
67
68 static void mark_edge_parents_uninteresting(struct commit *commit,
69                                             struct rev_info *revs,
70                                             show_edge_fn show_edge)
71 {
72         struct commit_list *parents;
73
74         for (parents = commit->parents; parents; parents = parents->next) {
75                 struct commit *parent = parents->item;
76                 if (!(parent->object.flags & UNINTERESTING))
77                         continue;
78                 mark_tree_uninteresting(parent->tree);
79                 if (revs->edge_hint && !(parent->object.flags & SHOWN)) {
80                         parent->object.flags |= SHOWN;
81                         show_edge(parent);
82                 }
83         }
84 }
85
86 void mark_edges_uninteresting(struct commit_list *list,
87                               struct rev_info *revs,
88                               show_edge_fn show_edge)
89 {
90         for ( ; list; list = list->next) {
91                 struct commit *commit = list->item;
92
93                 if (commit->object.flags & UNINTERESTING) {
94                         mark_tree_uninteresting(commit->tree);
95                         continue;
96                 }
97                 mark_edge_parents_uninteresting(commit, revs, show_edge);
98         }
99 }
100
101 void traverse_commit_list(struct rev_info *revs,
102                           void (*show_commit)(struct commit *),
103                           void (*show_object)(struct object_array_entry *))
104 {
105         int i;
106         struct commit *commit;
107         struct object_array objects = { 0, 0, NULL };
108
109         while ((commit = get_revision(revs)) != NULL) {
110                 process_tree(revs, commit->tree, &objects, NULL, "");
111                 show_commit(commit);
112         }
113         for (i = 0; i < revs->pending.nr; i++) {
114                 struct object_array_entry *pending = revs->pending.objects + i;
115                 struct object *obj = pending->item;
116                 const char *name = pending->name;
117                 if (obj->flags & (UNINTERESTING | SEEN))
118                         continue;
119                 if (obj->type == OBJ_TAG) {
120                         obj->flags |= SEEN;
121                         add_object_array(obj, name, &objects);
122                         continue;
123                 }
124                 if (obj->type == OBJ_TREE) {
125                         process_tree(revs, (struct tree *)obj, &objects,
126                                      NULL, name);
127                         continue;
128                 }
129                 if (obj->type == OBJ_BLOB) {
130                         process_blob(revs, (struct blob *)obj, &objects,
131                                      NULL, name);
132                         continue;
133                 }
134                 die("unknown pending object %s (%s)",
135                     sha1_to_hex(obj->sha1), name);
136         }
137         for (i = 0; i < objects.nr; i++)
138                 show_object(&objects.objects[i]);
139 }