sequencer: refactor transform_todos() to work on a todo_list

diff --git a/merge-recursive.h b/merge-recursive.h
index 80d69d140195cc3ba1054050569e56bfc0277b56..e6a0828ecacd81d820feb8caa07c90707e97f8b4 100644 (file)
--- a/merge-recursive.h
+++ b/merge-recursive.h
@@ -2,6 +2,9 @@
 #define MERGE_RECURSIVE_H
 
 #include "string-list.h"
+#include "unpack-trees.h"
+
+struct commit;
 
 struct merge_options {
        const char *ancestor;
@@ -17,7 +20,9 @@ struct merge_options {
        unsigned renormalize : 1;
        long xdl_opts;
        int verbosity;
-       int detect_rename;
+       int detect_directory_renames;
+       int diff_detect_rename;
+       int merge_detect_rename;
        int diff_rename_limit;
        int merge_rename_limit;
        int rename_score;
@@ -27,8 +32,41 @@ struct merge_options {
        struct strbuf obuf;
        struct hashmap current_file_dir_set;
        struct string_list df_conflict_file_set;
+       struct unpack_trees_options unpack_opts;
+       struct index_state orig_index;
+};
+
+/*
+ * For dir_rename_entry, directory names are stored as a full path from the
+ * toplevel of the repository and do not include a trailing '/'.  Also:
+ *
+ *   dir:                original name of directory being renamed
+ *   non_unique_new_dir: if true, could not determine new_dir
+ *   new_dir:            final name of directory being renamed
+ *   possible_new_dirs:  temporary used to help determine new_dir; see comments
+ *                       in get_directory_renames() for details
+ */
+struct dir_rename_entry {
+       struct hashmap_entry ent; /* must be the first member! */
+       char *dir;
+       unsigned non_unique_new_dir:1;
+       struct strbuf new_dir;
+       struct string_list possible_new_dirs;
+};
+
+struct collision_entry {
+       struct hashmap_entry ent; /* must be the first member! */
+       char *target_file;
+       struct string_list source_files;
+       unsigned reported_already:1;
 };
 
+static inline int merge_detect_rename(struct merge_options *o)
+{
+       return o->merge_detect_rename >= 0 ? o->merge_detect_rename :
+               o->diff_detect_rename >= 0 ? o->diff_detect_rename : 1;
+}
+
 /* merge_trees() but with recursive ancestor consolidation */
 int merge_recursive(struct merge_options *o,
                    struct commit *h1,