merge.c: remove implicit dependency on the_index

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2018-09-21 17:57:29 +02:00 committed by Junio C Hamano
parent f4a55b2797
commit 7e196c3a28
5 changed files with 28 additions and 19 deletions

View file

@ -728,8 +728,9 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
die(_("unable to write %s"), get_index_file());
return clean ? 0 : 1;
} else {
return try_merge_command(strategy, xopts_nr, xopts,
common, head_arg, remoteheads);
return try_merge_command(the_repository,
strategy, xopts_nr, xopts,
common, head_arg, remoteheads);
}
}
@ -1470,7 +1471,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
goto done;
}
if (checkout_fast_forward(&head_commit->object.oid,
if (checkout_fast_forward(the_repository,
&head_commit->object.oid,
&commit->object.oid,
overwrite_ignore)) {
ret = 1;

View file

@ -562,7 +562,9 @@ static int pull_into_void(const struct object_id *merge_head,
* index/worktree changes that the user already made on the unborn
* branch.
*/
if (checkout_fast_forward(the_hash_algo->empty_tree, merge_head, 0))
if (checkout_fast_forward(the_repository,
the_hash_algo->empty_tree,
merge_head, 0))
return 1;
if (update_ref("initial pull", "HEAD", merge_head, curr_head, 0, UPDATE_REFS_DIE_ON_ERR))
@ -915,7 +917,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
"fast-forwarding your working tree from\n"
"commit %s."), oid_to_hex(&orig_head));
if (checkout_fast_forward(&orig_head, &curr_head, 0))
if (checkout_fast_forward(the_repository, &orig_head,
&curr_head, 0))
die(_("Cannot fast-forward your working tree.\n"
"After making sure that you saved anything precious from\n"
"$ git diff %s\n"

View file

@ -1716,10 +1716,12 @@ extern struct startup_info *startup_info;
/* merge.c */
struct commit_list;
int try_merge_command(const char *strategy, size_t xopts_nr,
int try_merge_command(struct repository *r,
const char *strategy, size_t xopts_nr,
const char **xopts, struct commit_list *common,
const char *head_arg, struct commit_list *remotes);
int checkout_fast_forward(const struct object_id *from,
int checkout_fast_forward(struct repository *r,
const struct object_id *from,
const struct object_id *to,
int overwrite_ignore);

20
merge.c
View file

@ -14,7 +14,8 @@ static const char *merge_argument(struct commit *commit)
return oid_to_hex(commit ? &commit->object.oid : the_hash_algo->empty_tree);
}
int try_merge_command(const char *strategy, size_t xopts_nr,
int try_merge_command(struct repository *r,
const char *strategy, size_t xopts_nr,
const char **xopts, struct commit_list *common,
const char *head_arg, struct commit_list *remotes)
{
@ -35,15 +36,16 @@ int try_merge_command(const char *strategy, size_t xopts_nr,
ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
argv_array_clear(&args);
discard_cache();
if (read_cache() < 0)
discard_index(r->index);
if (read_index(r->index) < 0)
die(_("failed to read the cache"));
resolve_undo_clear();
resolve_undo_clear_index(r->index);
return ret;
}
int checkout_fast_forward(const struct object_id *head,
int checkout_fast_forward(struct repository *r,
const struct object_id *head,
const struct object_id *remote,
int overwrite_ignore)
{
@ -54,7 +56,7 @@ int checkout_fast_forward(const struct object_id *head,
struct dir_struct dir;
struct lock_file lock_file = LOCK_INIT;
refresh_cache(REFRESH_QUIET);
refresh_index(r->index, REFRESH_QUIET, NULL, NULL, NULL);
if (hold_locked_index(&lock_file, LOCK_REPORT_ON_ERROR) < 0)
return -1;
@ -86,8 +88,8 @@ int checkout_fast_forward(const struct object_id *head,
}
opts.head_idx = 1;
opts.src_index = &the_index;
opts.dst_index = &the_index;
opts.src_index = r->index;
opts.dst_index = r->index;
opts.update = 1;
opts.verbose_update = 1;
opts.merge = 1;
@ -101,7 +103,7 @@ int checkout_fast_forward(const struct object_id *head,
}
clear_unpack_trees_porcelain(&opts);
if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
if (write_locked_index(r->index, &lock_file, COMMIT_LOCK))
return error(_("unable to write new index file"));
return 0;
}

View file

@ -470,8 +470,8 @@ static int fast_forward_to(const struct object_id *to, const struct object_id *f
struct strbuf sb = STRBUF_INIT;
struct strbuf err = STRBUF_INIT;
read_cache();
if (checkout_fast_forward(from, to, 1))
read_index(&the_index);
if (checkout_fast_forward(the_repository, from, to, 1))
return -1; /* the callee should have complained already */
strbuf_addf(&sb, _("%s: fast-forward"), _(action_name(opts)));
@ -1827,7 +1827,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
commit_list_insert(base, &common);
commit_list_insert(next, &remotes);
res |= try_merge_command(opts->strategy,
res |= try_merge_command(the_repository, opts->strategy,
opts->xopts_nr, (const char **)opts->xopts,
common, oid_to_hex(&head), remotes);
free_commit_list(common);