static int switch_branches(const struct checkout_opts *opts,
struct branch_info *new_branch_info)
{
int ret = 0;
struct branch_info old_branch_info;
void *path_to_free;
struct object_id rev;
int flag, writeout_error = 0;
trace2_cmd_mode("branch");
memset(&old_branch_info, 0, sizeof(old_branch_info));
old_branch_info.path = path_to_free = resolve_refdup("HEAD", 0, &rev, &flag);
if (old_branch_info.path)
old_branch_info.commit = lookup_commit_reference_gently(the_repository, &rev, 1);
if (!(flag & REF_ISSYMREF))
old_branch_info.path = NULL;
if (old_branch_info.path)
skip_prefix(old_branch_info.path, "refs/heads/", &old_branch_info.name);
if (!new_branch_info->name) {
new_branch_info->name = "HEAD";
new_branch_info->commit = old_branch_info.commit;
if (!new_branch_info->commit)
die(_("You are on a branch yet to be born"));
parse_commit_or_die(new_branch_info->commit);
}
/* optimize the "checkout -b <new_branch> path */
if (skip_merge_working_tree(opts, &old_branch_info, new_branch_info)) {
if (!checkout_optimize_new_branch && !opts->quiet) {
if (read_cache_preload(NULL) < 0)
return error(_("index file corrupt"));
show_local_changes(&new_branch_info->commit->object, &opts->diff_options);
}
} else {
ret = merge_working_tree(opts, &old_branch_info, new_branch_info, &writeout_error);
if (ret) {
free(path_to_free);
return ret;
}
}
if (!opts->quiet && !old_branch_info.path && old_branch_info.commit && new_branch_info->commit != old_branch_info.commit)
orphaned_commit_warning(old_branch_info.commit, new_branch_info->commit);
update_refs_for_switch(opts, &old_branch_info, new_branch_info);
ret = post_checkout_hook(old_branch_info.commit, new_branch_info->commit, 1);
free(path_to_free);
return ret || writeout_error;
}
static int switch_branches(const struct checkout_opts *opts,
struct branch_info *new_branch_info)
{
int ret = 0;
struct branch_info old_branch_info;
void *path_to_free;
struct object_id rev;
int flag, writeout_error = 0;
memset(&old_branch_info, 0, sizeof(old_branch_info));
old_branch_info.path = path_to_free = resolve_refdup("HEAD", 0, &rev, &flag);
if (old_branch_info.path)
old_branch_info.commit = lookup_commit_reference_gently(&rev, 1);
if (!(flag & REF_ISSYMREF))
old_branch_info.path = NULL;
if (old_branch_info.path)
skip_prefix(old_branch_info.path, "refs/heads/", &old_branch_info.name);
if (!new_branch_info->name) {
new_branch_info->name = "HEAD";
new_branch_info->commit = old_branch_info.commit;
if (!new_branch_info->commit)
die(_("You are on a branch yet to be born"));
parse_commit_or_die(new_branch_info->commit);
}
ret = merge_working_tree(opts, &old_branch_info, new_branch_info, &writeout_error);
if (ret) {
free(path_to_free);
return ret;
}
if (!opts->quiet && !old_branch_info.path && old_branch_info.commit && new_branch_info->commit != old_branch_info.commit)
orphaned_commit_warning(old_branch_info.commit, new_branch_info->commit);
update_refs_for_switch(opts, &old_branch_info, new_branch_info);
ret = post_checkout_hook(old_branch_info.commit, new_branch_info->commit, 1);
free(path_to_free);
return ret || writeout_error;
}