You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
107 lines
2.7 KiB
107 lines
2.7 KiB
#include "cache.h" |
|
#include "diff.h" |
|
#include "diffcore.h" |
|
#include "gettext.h" |
|
#include "hex.h" |
|
#include "lockfile.h" |
|
#include "commit.h" |
|
#include "run-command.h" |
|
#include "resolve-undo.h" |
|
#include "tree.h" |
|
#include "tree-walk.h" |
|
#include "unpack-trees.h" |
|
#include "dir.h" |
|
|
|
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(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) |
|
{ |
|
struct child_process cmd = CHILD_PROCESS_INIT; |
|
int i, ret; |
|
struct commit_list *j; |
|
|
|
strvec_pushf(&cmd.args, "merge-%s", strategy); |
|
for (i = 0; i < xopts_nr; i++) |
|
strvec_pushf(&cmd.args, "--%s", xopts[i]); |
|
for (j = common; j; j = j->next) |
|
strvec_push(&cmd.args, merge_argument(j->item)); |
|
strvec_push(&cmd.args, "--"); |
|
strvec_push(&cmd.args, head_arg); |
|
for (j = remotes; j; j = j->next) |
|
strvec_push(&cmd.args, merge_argument(j->item)); |
|
|
|
cmd.git_cmd = 1; |
|
ret = run_command(&cmd); |
|
|
|
discard_index(r->index); |
|
if (repo_read_index(r) < 0) |
|
die(_("failed to read the cache")); |
|
resolve_undo_clear_index(r->index); |
|
|
|
return ret; |
|
} |
|
|
|
int checkout_fast_forward(struct repository *r, |
|
const struct object_id *head, |
|
const struct object_id *remote, |
|
int overwrite_ignore) |
|
{ |
|
struct tree *trees[MAX_UNPACK_TREES]; |
|
struct unpack_trees_options opts; |
|
struct tree_desc t[MAX_UNPACK_TREES]; |
|
int i, nr_trees = 0; |
|
struct lock_file lock_file = LOCK_INIT; |
|
|
|
refresh_index(r->index, REFRESH_QUIET, NULL, NULL, NULL); |
|
|
|
if (repo_hold_locked_index(r, &lock_file, LOCK_REPORT_ON_ERROR) < 0) |
|
return -1; |
|
|
|
memset(&trees, 0, sizeof(trees)); |
|
memset(&t, 0, sizeof(t)); |
|
|
|
trees[nr_trees] = parse_tree_indirect(head); |
|
if (!trees[nr_trees++]) { |
|
rollback_lock_file(&lock_file); |
|
return -1; |
|
} |
|
trees[nr_trees] = parse_tree_indirect(remote); |
|
if (!trees[nr_trees++]) { |
|
rollback_lock_file(&lock_file); |
|
return -1; |
|
} |
|
for (i = 0; i < nr_trees; i++) { |
|
parse_tree(trees[i]); |
|
init_tree_desc(t+i, trees[i]->buffer, trees[i]->size); |
|
} |
|
|
|
memset(&opts, 0, sizeof(opts)); |
|
opts.preserve_ignored = !overwrite_ignore; |
|
|
|
opts.head_idx = 1; |
|
opts.src_index = r->index; |
|
opts.dst_index = r->index; |
|
opts.update = 1; |
|
opts.verbose_update = 1; |
|
opts.merge = 1; |
|
opts.fn = twoway_merge; |
|
init_checkout_metadata(&opts.meta, NULL, remote, NULL); |
|
setup_unpack_trees_porcelain(&opts, "merge"); |
|
|
|
if (unpack_trees(nr_trees, t, &opts)) { |
|
rollback_lock_file(&lock_file); |
|
clear_unpack_trees_porcelain(&opts); |
|
return -1; |
|
} |
|
clear_unpack_trees_porcelain(&opts); |
|
|
|
if (write_locked_index(r->index, &lock_file, COMMIT_LOCK)) |
|
return error(_("unable to write new index file")); |
|
return 0; |
|
}
|
|
|