Andrew's git - gitweb.git/blob

   1#ifndef MERGE_RECURSIVE_H
   2#define MERGE_RECURSIVE_H
   3
   4#include "unpack-trees.h"
   5#include "string-list.h"
   6
   7struct merge_options {
   8        const char *ancestor;
   9        const char *branch1;
  10        const char *branch2;
  11        enum {
  12                MERGE_RECURSIVE_NORMAL = 0,
  13                MERGE_RECURSIVE_OURS,
  14                MERGE_RECURSIVE_THEIRS
  15        } recursive_variant;
  16        const char *subtree_shift;
  17        unsigned buffer_output; /* 1: output at end, 2: keep buffered */
  18        unsigned renormalize : 1;
  19        long xdl_opts;
  20        int verbosity;
  21        int detect_rename;
  22        int diff_rename_limit;
  23        int merge_rename_limit;
  24        int rename_score;
  25        int needed_rename_limit;
  26        int show_rename_progress;
  27        int call_depth;
  28        struct strbuf obuf;
  29        struct hashmap current_file_dir_set;
  30        struct string_list df_conflict_file_set;
  31        struct unpack_trees_options unpack_opts;
  32        struct index_state orig_index;
  33};
  34
  35/*
  36 * For dir_rename_entry, directory names are stored as a full path from the
  37 * toplevel of the repository and do not include a trailing '/'.  Also:
  38 *
  39 *   dir:                original name of directory being renamed
  40 *   non_unique_new_dir: if true, could not determine new_dir
  41 *   new_dir:            final name of directory being renamed
  42 *   possible_new_dirs:  temporary used to help determine new_dir; see comments
  43 *                       in get_directory_renames() for details
  44 */
  45struct dir_rename_entry {
  46        struct hashmap_entry ent; /* must be the first member! */
  47        char *dir;
  48        unsigned non_unique_new_dir:1;
  49        struct strbuf new_dir;
  50        struct string_list possible_new_dirs;
  51};
  52
  53struct collision_entry {
  54        struct hashmap_entry ent; /* must be the first member! */
  55        char *target_file;
  56        struct string_list source_files;
  57        unsigned reported_already:1;
  58};
  59
  60/* merge_trees() but with recursive ancestor consolidation */
  61int merge_recursive(struct merge_options *o,
  62                    struct commit *h1,
  63                    struct commit *h2,
  64                    struct commit_list *ancestors,
  65                    struct commit **result);
  66
  67/* rename-detecting three-way merge, no recursion */
  68int merge_trees(struct merge_options *o,
  69                struct tree *head,
  70                struct tree *merge,
  71                struct tree *common,
  72                struct tree **result);
  73
  74/*
  75 * "git-merge-recursive" can be fed trees; wrap them into
  76 * virtual commits and call merge_recursive() proper.
  77 */
  78int merge_recursive_generic(struct merge_options *o,
  79                            const struct object_id *head,
  80                            const struct object_id *merge,
  81                            int num_ca,
  82                            const struct object_id **ca,
  83                            struct commit **result);
  84
  85void init_merge_options(struct merge_options *o);
  86struct tree *write_tree_from_memory(struct merge_options *o);
  87
  88int parse_merge_opt(struct merge_options *out, const char *s);
  89
  90#endif