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#ifndef MERGE_ORT_H
#define MERGE_ORT_H
#include "merge-recursive.h"
#include "hash-ll.h"
struct commit;
struct tree;
struct strmap;
struct merge_result {
* Whether the merge is clean; possible values:
* 1: clean
* 0: not clean (merge conflicts)
* <0: operation aborted prematurely. (object database
* unreadable, disk full, etc.) Worktree may be left in an
* inconsistent state if operation failed near the end.
int clean;
* Result of merge. If !clean, represents what would go in worktree
* (thus possibly including files containing conflict markers).
struct tree *tree;
* Special messages and conflict notices for various paths
* This is a map of pathnames to a string_list. It contains various
* warning/conflict/notice messages (possibly multiple per path)
* that callers may want to use.
struct strmap *path_messages;
* Additional metadata used by merge_switch_to_result() or future calls
* to merge_incore_*(). Includes data needed to update the index (if
* !clean) and to print "CONFLICT" messages. Not for external use.
void *priv;
/* Also private */
unsigned _properly_initialized;
* rename-detecting three-way merge with recursive ancestor consolidation.
* working tree and index are untouched.
* merge_bases will be consumed (emptied) so make a copy if you need it.
* NOTE: empirically, the recursive algorithm will perform better if you
* pass the merge_bases in the order of oldest commit to the
* newest[1][2].
* [1]
* [2] commit 8918b0c9c2 ("merge-recur: try to merge older merge bases
* first", 2006-08-09)
void merge_incore_recursive(struct merge_options *opt,
struct commit_list *merge_bases,
struct commit *side1,
struct commit *side2,
struct merge_result *result);
* rename-detecting three-way merge, no recursion.
* working tree and index are untouched.
void merge_incore_nonrecursive(struct merge_options *opt,
struct tree *merge_base,
struct tree *side1,
struct tree *side2,
struct merge_result *result);
/* Update the working tree and index from head to result after incore merge */
void merge_switch_to_result(struct merge_options *opt,
struct tree *head,
struct merge_result *result,
int update_worktree_and_index,
int display_update_msgs);
* Display messages about conflicts and which files were 3-way merged.
* Automatically called by merge_switch_to_result() with stream == stdout,
* so only call this when bypassing merge_switch_to_result().
void merge_display_update_messages(struct merge_options *opt,
int detailed,
struct merge_result *result);
struct stage_info {
struct object_id oid;
int mode;
int stage;
* Provide a list of path -> {struct stage_info*} mappings for
* all conflicted files. Note that each path could appear up to three
* times in the list, corresponding to 3 different stage entries. In short,
* this basically provides the info that would be printed by `ls-files -u`.
* result should have been populated by a call to
* one of the merge_incore_[non]recursive() functions.
* conflicted_files should be empty before calling this function.
void merge_get_conflicted_files(struct merge_result *result,
struct string_list *conflicted_files);
/* Do needed cleanup when not calling merge_switch_to_result() */
void merge_finalize(struct merge_options *opt,
struct merge_result *result);