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-rw-r--r--revision.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/revision.h b/revision.h
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index 0000000..61e6bc9
--- /dev/null
+++ b/revision.h
@@ -0,0 +1,75 @@
+#ifndef REVISION_H
+#define REVISION_H
+
+#define SEEN (1u<<0)
+#define UNINTERESTING (1u<<1)
+#define TREECHANGE (1u<<2)
+#define SHOWN (1u<<3)
+#define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
+#define BOUNDARY (1u<<5)
+
+struct rev_info;
+
+typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
+
+struct rev_info {
+ /* Starting list */
+ struct commit_list *commits;
+ struct object_list *pending_objects;
+
+ /* Basic information */
+ const char *prefix;
+ void *prune_data;
+ prune_fn_t *prune_fn;
+
+ /* Traversal flags */
+ unsigned int dense:1,
+ no_merges:1,
+ remove_empty_trees:1,
+ lifo:1,
+ topo_order:1,
+ tag_objects:1,
+ tree_objects:1,
+ blob_objects:1,
+ edge_hint:1,
+ limited:1,
+ unpacked:1,
+ boundary:1;
+
+ /* special limits */
+ int max_count;
+ unsigned long max_age;
+ unsigned long min_age;
+
+ topo_sort_set_fn_t topo_setter;
+ topo_sort_get_fn_t topo_getter;
+};
+
+#define REV_TREE_SAME 0
+#define REV_TREE_NEW 1
+#define REV_TREE_DIFFERENT 2
+
+/* revision.c */
+extern int rev_same_tree_as_empty(struct tree *t1);
+extern int rev_compare_tree(struct tree *t1, struct tree *t2);
+
+extern void init_revisions(struct rev_info *revs);
+extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
+extern void prepare_revision_walk(struct rev_info *revs);
+extern struct commit *get_revision(struct rev_info *revs);
+
+extern void mark_parents_uninteresting(struct commit *commit);
+extern void mark_tree_uninteresting(struct tree *tree);
+
+struct name_path {
+ struct name_path *up;
+ int elem_len;
+ const char *elem;
+};
+
+extern struct object_list **add_object(struct object *obj,
+ struct object_list **p,
+ struct name_path *path,
+ const char *name);
+
+#endif