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v0.7.0
Revision 77200e9332cc0f6004c80f5e1e09a7b37bf8a3f3 authored by Christopher Diaz Riveros on 15 September 2019, 21:56:56 UTC, committed by Christopher Diaz Riveros on 29 October 2019, 00:21:27 UTC
Signed-off-by: Christopher Diaz Riveros <christopher.diaz.riv@gmail.com>
1 parent 045a548
merge-recursive.h
#ifndef MERGE_RECURSIVE_H
#define MERGE_RECURSIVE_H
#include "strbuf.h"
struct commit;
struct commit_list;
struct object_id;
struct repository;
struct tree;
struct merge_options_internal;
struct merge_options {
struct repository *repo;
/* ref names used in console messages and conflict markers */
const char *ancestor;
const char *branch1;
const char *branch2;
/* rename related options */
int detect_renames;
enum {
MERGE_DIRECTORY_RENAMES_NONE = 0,
MERGE_DIRECTORY_RENAMES_CONFLICT = 1,
MERGE_DIRECTORY_RENAMES_TRUE = 2
} detect_directory_renames;
int rename_limit;
int rename_score;
int show_rename_progress;
/* xdiff-related options (patience, ignore whitespace, ours/theirs) */
long xdl_opts;
enum {
MERGE_VARIANT_NORMAL = 0,
MERGE_VARIANT_OURS,
MERGE_VARIANT_THEIRS
} recursive_variant;
/* console output related options */
int verbosity;
unsigned buffer_output; /* 1: output at end, 2: keep buffered */
struct strbuf obuf; /* output buffer; if buffer_output == 2, caller
* must handle and call strbuf_release */
/* miscellaneous control options */
const char *subtree_shift;
unsigned renormalize : 1;
/* internal fields used by the implementation */
struct merge_options_internal *priv;
};
void init_merge_options(struct merge_options *opt, struct repository *repo);
/* parse the option in s and update the relevant field of opt */
int parse_merge_opt(struct merge_options *opt, const char *s);
/*
* RETURN VALUES: All the merge_* functions below return a value as follows:
* > 0 Merge was clean
* = 0 Merge had conflicts
* < 0 Merge hit an unexpected and unrecoverable problem (e.g. disk
* full) and aborted merge part-way through.
*/
/*
* rename-detecting three-way merge, no recursion.
*
* Outputs:
* - See RETURN VALUES above
* - No commit is created
* - opt->repo->index has the new index
* - $GIT_INDEX_FILE is not updated
* - The working tree is updated with results of the merge
*/
int merge_trees(struct merge_options *opt,
struct tree *head,
struct tree *merge,
struct tree *merge_base);
/*
* merge_recursive is like merge_trees() but with recursive ancestor
* consolidation and, if the commit is clean, creation of a commit.
*
* NOTE: empirically, about a decade ago it was determined that with more
* than two merge bases, optimal behavior was found when the
* merge_bases were passed in the order of oldest commit to newest
* commit. Also, merge_bases will be consumed (emptied) so make a
* copy if you need it.
*
* Outputs:
* - See RETURN VALUES above
* - If merge is clean, a commit is created and its address written to *result
* - opt->repo->index has the new index
* - $GIT_INDEX_FILE is not updated
* - The working tree is updated with results of the merge
*/
int merge_recursive(struct merge_options *opt,
struct commit *h1,
struct commit *h2,
struct commit_list *merge_bases,
struct commit **result);
/*
* merge_recursive_generic can operate on trees instead of commits, by
* wrapping the trees into virtual commits, and calling merge_recursive().
* It also writes out the in-memory index to disk if the merge is successful.
*
* Outputs:
* - See RETURN VALUES above
* - If merge is clean, a commit is created and its address written to *result
* - opt->repo->index has the new index
* - $GIT_INDEX_FILE is updated
* - The working tree is updated with results of the merge
*/
int merge_recursive_generic(struct merge_options *opt,
const struct object_id *head,
const struct object_id *merge,
int num_merge_bases,
const struct object_id **merge_bases,
struct commit **result);
#endif
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