mergetool-lib: make the three-way diff the default for vim/gvim

diff --git a/unpack-trees.h b/unpack-trees.h
index d19df44f4070ca1bda29382e56fbced53aacd994..7c0187d11adaa5f0b9a8642070d8dfc2db41dfdf 100644 (file)
--- a/unpack-trees.h
+++ b/unpack-trees.h
@@ -4,16 +4,34 @@
 #define MAX_UNPACK_TREES 8
 
 struct unpack_trees_options;
+struct exclude_list;
 
 typedef int (*merge_fn_t)(struct cache_entry **src,
                struct unpack_trees_options *options);
 
-struct unpack_trees_error_msgs {
-       const char *would_overwrite;
-       const char *not_uptodate_file;
-       const char *not_uptodate_dir;
-       const char *would_lose_untracked;
-       const char *bind_overlap;
+enum unpack_trees_error_types {
+       ERROR_WOULD_OVERWRITE = 0,
+       ERROR_NOT_UPTODATE_FILE,
+       ERROR_NOT_UPTODATE_DIR,
+       ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN,
+       ERROR_WOULD_LOSE_UNTRACKED_REMOVED,
+       ERROR_BIND_OVERLAP,
+       ERROR_SPARSE_NOT_UPTODATE_FILE,
+       ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN,
+       ERROR_WOULD_LOSE_ORPHANED_REMOVED,
+       NB_UNPACK_TREES_ERROR_TYPES
+};
+
+/*
+ * Sets the list of user-friendly error messages to be used by the
+ * command "cmd" (either merge or checkout), and show_all_errors to 1.
+ */
+void setup_unpack_trees_porcelain(struct unpack_trees_options *opts,
+                                 const char *cmd);
+
+struct rejected_paths_list {
+       char *path;
+       struct rejected_paths_list *next;
 };
 
 struct unpack_trees_options {
@@ -28,12 +46,20 @@ struct unpack_trees_options {
                     skip_unmerged,
                     initial_checkout,
                     diff_index_cached,
-                    gently;
+                    debug_unpack,
+                    skip_sparse_checkout,
+                    gently,
+                    show_all_errors;
        const char *prefix;
-       int pos;
+       int cache_bottom;
        struct dir_struct *dir;
        merge_fn_t fn;
-       struct unpack_trees_error_msgs msgs;
+       const char *msgs[NB_UNPACK_TREES_ERROR_TYPES];
+       /*
+        * Store error messages in an array, each case
+        * corresponding to a error message type
+        */
+       struct rejected_paths_list *unpack_rejects[NB_UNPACK_TREES_ERROR_TYPES];
 
        int head_idx;
        int merge_size;
@@ -44,6 +70,8 @@ struct unpack_trees_options {
        struct index_state *dst_index;
        struct index_state *src_index;
        struct index_state result;
+
+       struct exclude_list *el; /* for internal use */
 };
 
 extern int unpack_trees(unsigned n, struct tree_desc *t,