unpack-trees.hon commit fetch: Speed up fetch of large numbers of refs (b1a01e1)
   1#ifndef UNPACK_TREES_H
   2#define UNPACK_TREES_H
   3
   4#define MAX_UNPACK_TREES 8
   5
   6struct unpack_trees_options;
   7
   8typedef int (*merge_fn_t)(struct cache_entry **src,
   9                struct unpack_trees_options *options);
  10
  11struct unpack_trees_error_msgs {
  12        const char *would_overwrite;
  13        const char *not_uptodate_file;
  14        const char *not_uptodate_dir;
  15        const char *would_lose_untracked;
  16        const char *bind_overlap;
  17};
  18
  19struct unpack_trees_options {
  20        unsigned int reset,
  21                     merge,
  22                     update,
  23                     index_only,
  24                     nontrivial_merge,
  25                     trivial_merges_only,
  26                     verbose_update,
  27                     aggressive,
  28                     skip_unmerged,
  29                     initial_checkout,
  30                     diff_index_cached,
  31                     gently;
  32        const char *prefix;
  33        int pos;
  34        struct dir_struct *dir;
  35        merge_fn_t fn;
  36        struct unpack_trees_error_msgs msgs;
  37
  38        int head_idx;
  39        int merge_size;
  40
  41        struct cache_entry *df_conflict_entry;
  42        void *unpack_data;
  43
  44        struct index_state *dst_index;
  45        struct index_state *src_index;
  46        struct index_state result;
  47};
  48
  49extern int unpack_trees(unsigned n, struct tree_desc *t,
  50                struct unpack_trees_options *options);
  51
  52int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o);
  53int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o);
  54int bind_merge(struct cache_entry **src, struct unpack_trees_options *o);
  55int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o);
  56
  57#endif