$ git clone -n https://src.fedoraproject.org/rpms/php-pear-XML-Serializer.git /var/lib/mock/f39-build-1501767-34866/root/chroot_tmpdir/scmroot/php-pear-XML-Serializer
Cloning into '/var/lib/mock/f39-build-1501767-34866/root/chroot_tmpdir/scmroot/php-pear-XML-Serializer'...
$ git fetch origin d2912d044d9770fe0218f4b57428f9e2ea8ac983:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pear-XML-Serializer
 * [new ref]         d2912d044d9770fe0218f4b57428f9e2ea8ac983 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2912d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild