unpack-trees.h

   1 #ifndef UNPACK_TREES_H
   2 #define UNPACK_TREES_H
   3
   4 #define MAX_UNPACK_TREES 8
   5
   6 struct unpack_trees_options;
   7 struct exclude_list;
   8
   9 typedef int (*merge_fn_t)(struct cache_entry **src,
  10                 struct unpack_trees_options *options);
  11
  12 enum unpack_trees_error_types {
  13         ERROR_WOULD_OVERWRITE = 0,
  14         ERROR_NOT_UPTODATE_FILE,
  15         ERROR_NOT_UPTODATE_DIR,
  16         ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN,
  17         ERROR_WOULD_LOSE_UNTRACKED_REMOVED,
  18         ERROR_BIND_OVERLAP,
  19         ERROR_SPARSE_NOT_UPTODATE_FILE,
  20         ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN,
  21         ERROR_WOULD_LOSE_ORPHANED_REMOVED,
  22         NB_UNPACK_TREES_ERROR_TYPES
  23 };
  24
  25 struct unpack_trees_options {
  26         unsigned int reset,
  27                      merge,
  28                      update,
  29                      index_only,
  30                      nontrivial_merge,
  31                      trivial_merges_only,
  32                      verbose_update,
  33                      aggressive,
  34                      skip_unmerged,
  35                      initial_checkout,
  36                      diff_index_cached,
  37                      debug_unpack,
  38                      skip_sparse_checkout,
  39                      gently;
  40         const char *prefix;
  41         int cache_bottom;
  42         struct dir_struct *dir;
  43         merge_fn_t fn;
  44         const char *msgs[NB_UNPACK_TREES_ERROR_TYPES];
  45
  46         int head_idx;
  47         int merge_size;
  48
  49         struct cache_entry *df_conflict_entry;
  50         void *unpack_data;
  51
  52         struct index_state *dst_index;
  53         struct index_state *src_index;
  54         struct index_state result;
  55
  56         struct exclude_list *el; /* for internal use */
  57 };
  58
  59 extern int unpack_trees(unsigned n, struct tree_desc *t,
  60                 struct unpack_trees_options *options);
  61
  62 int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o);
  63 int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o);
  64 int bind_merge(struct cache_entry **src, struct unpack_trees_options *o);
  65 int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o);
  66
  67 #endif