if (hold_locked_index(&lock, LOCK_REPORT_ON_ERROR) < 0)
return -1;
- /* Determine the length of the label */
- for (i = 0; i < len; i++)
- if (isspace(name[i]))
- len = i;
-
- strbuf_addf(&ref_name, "refs/rewritten/%.*s", len, name);
- if (get_oid(ref_name.buf, &oid) &&
- get_oid(ref_name.buf + strlen("refs/rewritten/"), &oid)) {
- error(_("could not read '%s'"), ref_name.buf);
- rollback_lock_file(&lock);
- strbuf_release(&ref_name);
- return -1;
+ if (len == 10 && !strncmp("[new root]", name, len)) {
+ if (!opts->have_squash_onto) {
+ const char *hex;
+ if (commit_tree("", 0, the_hash_algo->empty_tree,
+ NULL, &opts->squash_onto,
+ NULL, NULL))
+ return error(_("writing fake root commit"));
+ opts->have_squash_onto = 1;
+ hex = oid_to_hex(&opts->squash_onto);
+ if (write_message(hex, strlen(hex),
+ rebase_path_squash_onto(), 0))
+ return error(_("writing squash-onto"));
+ }
+ oidcpy(&oid, &opts->squash_onto);
+ } else {
+ /* Determine the length of the label */
+ for (i = 0; i < len; i++)
+ if (isspace(name[i]))
+ len = i;
+
+ strbuf_addf(&ref_name, "refs/rewritten/%.*s", len, name);
+ if (get_oid(ref_name.buf, &oid) &&
+ get_oid(ref_name.buf + strlen("refs/rewritten/"), &oid)) {
+ error(_("could not read '%s'"), ref_name.buf);
+ rollback_lock_file(&lock);
+ strbuf_release(&ref_name);
+ return -1;
+ }
}
memset(&unpack_tree_opts, 0, sizeof(unpack_tree_opts));