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| | /*
* Builtin "git merge-octopus"
*
* Copyright (c) 2020 Alban Gruin
*
* Based on git-merge-octopus.sh, written by Junio C Hamano.
*
* Resolve two or more trees.
*/
#include "cache.h"
#include "builtin.h"
#include "commit.h"
#include "merge-strategies.h"
static const char builtin_merge_octopus_usage[] =
"git merge-octopus [<bases>...] -- <head> <remote1> <remote2> [<remotes>...]";
int cmd_merge_octopus(int argc, const char **argv, const char *prefix)
{
int i, sep_seen = 0;
struct commit_list *bases = NULL, *remotes = NULL;
struct commit_list **next_base = &bases, **next_remote = &remotes;
const char *head_arg = NULL;
if (argc < 5)
usage(builtin_merge_octopus_usage);
setup_work_tree();
if (repo_read_index(the_repository) < 0)
die("corrupted cache");
/* The first parameters up to -- are merge bases; the rest are
* heads. */
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "--") == 0)
sep_seen = 1;
else if (strcmp(argv[i], "-h") == 0)
usage(builtin_merge_octopus_usage);
else if (sep_seen && !head_arg)
head_arg = argv[i];
else {
struct object_id oid;
get_oid(argv[i], &oid);
if (!oideq(&oid, the_hash_algo->empty_tree)) {
struct commit *commit;
commit = lookup_commit_or_die(&oid, argv[i]);
if (sep_seen)
next_remote = commit_list_append(commit, next_remote);
else
next_base = commit_list_append(commit, next_base);
}
}
}
/* Reject if this is not an octopus -- resolve should be used
* instead. */
if (commit_list_count(remotes) < 2)
return 2;
return merge_strategies_octopus(the_repository, bases, head_arg, remotes);
}
|