+ if (opts->committer_date_is_author_date) {
+ struct ident_split id;
+ struct strbuf date = STRBUF_INIT;
+
+ if (!opts->ignore_date) {
+ if (split_ident_line(&id, author, (int)strlen(author)) < 0) {
+ res = error(_("invalid author identity '%s'"),
+ author);
+ goto out;
+ }
+ if (!id.date_begin) {
+ res = error(_(
+ "corrupt author: missing date information"));
+ goto out;
+ }
+ strbuf_addf(&date, "@%.*s %.*s",
+ (int)(id.date_end - id.date_begin),
+ id.date_begin,
+ (int)(id.tz_end - id.tz_begin),
+ id.tz_begin);
+ } else {
+ reset_ident_date();
+ }
+ committer = fmt_ident(opts->committer_name,
+ opts->committer_email,
+ WANT_COMMITTER_IDENT,
+ opts->ignore_date ? NULL : date.buf,
+ IDENT_STRICT);
+ strbuf_release(&date);
+ } else {
+ reset_ident_date();
+ }
+
+ if (opts->ignore_date) {
+ struct ident_split id;
+ char *name, *email;
+
+ if (split_ident_line(&id, author, strlen(author)) < 0) {
+ error(_("invalid author identity '%s'"), author);
+ goto out;
+ }
+ name = xmemdupz(id.name_begin, id.name_end - id.name_begin);
+ email = xmemdupz(id.mail_begin, id.mail_end - id.mail_begin);
+ author = fmt_ident(name, email, WANT_AUTHOR_IDENT, NULL,
+ IDENT_STRICT);
+ free(name);
+ free(email);
+ }