Imported Upstream version 2.29.2
[platform/upstream/git.git] / unpack-trees.h
index 5e432f5..2e87875 100644 (file)
@@ -1,14 +1,18 @@
 #ifndef UNPACK_TREES_H
 #define UNPACK_TREES_H
 
+#include "cache.h"
+#include "strvec.h"
 #include "string-list.h"
+#include "tree-walk.h"
 
-#define MAX_UNPACK_TREES 8
+#define MAX_UNPACK_TREES MAX_TRAVERSE_TREES
 
+struct cache_entry;
 struct unpack_trees_options;
-struct exclude_list;
+struct pattern_list;
 
-typedef int (*merge_fn_t)(struct cache_entry **src,
+typedef int (*merge_fn_t)(const struct cache_entry * const *src,
                struct unpack_trees_options *options);
 
 enum unpack_trees_error_types {
@@ -18,10 +22,15 @@ enum unpack_trees_error_types {
        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
+       ERROR_WOULD_LOSE_SUBMODULE,
+
+       NB_UNPACK_TREES_ERROR_TYPES,
+
+       WARNING_SPARSE_NOT_UPTODATE_FILE,
+       WARNING_SPARSE_UNMERGED_FILE,
+       WARNING_SPARSE_ORPHANED_NOT_OVERWRITTEN,
+
+       NB_UNPACK_TREES_WARNING_TYPES,
 };
 
 /*
@@ -31,10 +40,16 @@ enum unpack_trees_error_types {
 void setup_unpack_trees_porcelain(struct unpack_trees_options *opts,
                                  const char *cmd);
 
+/*
+ * Frees resources allocated by setup_unpack_trees_porcelain().
+ */
+void clear_unpack_trees_porcelain(struct unpack_trees_options *opts);
+
 struct unpack_trees_options {
        unsigned int reset,
                     merge,
                     update,
+                    clone,
                     index_only,
                     nontrivial_merge,
                     trivial_merges_only,
@@ -45,7 +60,7 @@ struct unpack_trees_options {
                     diff_index_cached,
                     debug_unpack,
                     skip_sparse_checkout,
-                    gently,
+                    quiet,
                     exiting_early,
                     show_all_errors,
                     dry_run;
@@ -54,12 +69,13 @@ struct unpack_trees_options {
        struct dir_struct *dir;
        struct pathspec *pathspec;
        merge_fn_t fn;
-       const char *msgs[NB_UNPACK_TREES_ERROR_TYPES];
+       const char *msgs[NB_UNPACK_TREES_WARNING_TYPES];
+       struct strvec msgs_to_free;
        /*
         * Store error messages in an array, each case
         * corresponding to a error message type
         */
-       struct string_list unpack_rejects[NB_UNPACK_TREES_ERROR_TYPES];
+       struct string_list unpack_rejects[NB_UNPACK_TREES_WARNING_TYPES];
 
        int head_idx;
        int merge_size;
@@ -71,15 +87,32 @@ struct unpack_trees_options {
        struct index_state *src_index;
        struct index_state result;
 
-       struct exclude_list *el; /* for internal use */
+       struct pattern_list *pl; /* for internal use */
+       struct checkout_metadata meta;
 };
 
-extern int unpack_trees(unsigned n, struct tree_desc *t,
-               struct unpack_trees_options *options);
+int unpack_trees(unsigned n, struct tree_desc *t,
+                struct unpack_trees_options *options);
+
+enum update_sparsity_result {
+       UPDATE_SPARSITY_SUCCESS = 0,
+       UPDATE_SPARSITY_WARNINGS = 1,
+       UPDATE_SPARSITY_INDEX_UPDATE_FAILURES = -1,
+       UPDATE_SPARSITY_WORKTREE_UPDATE_FAILURES = -2
+};
+
+enum update_sparsity_result update_sparsity(struct unpack_trees_options *options);
+
+int verify_uptodate(const struct cache_entry *ce,
+                   struct unpack_trees_options *o);
 
-int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o);
-int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o);
-int bind_merge(struct cache_entry **src, struct unpack_trees_options *o);
-int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o);
+int threeway_merge(const struct cache_entry * const *stages,
+                  struct unpack_trees_options *o);
+int twoway_merge(const struct cache_entry * const *src,
+                struct unpack_trees_options *o);
+int bind_merge(const struct cache_entry * const *src,
+              struct unpack_trees_options *o);
+int oneway_merge(const struct cache_entry * const *src,
+                struct unpack_trees_options *o);
 
 #endif