$ git clone -n https://gitee.com/fundawang/percona-toolkit.git /var/lib/mock/dist-an23-build-286975-64835/root/chroot_tmpdir/scmroot/percona-toolkit
Cloning into '/var/lib/mock/dist-an23-build-286975-64835/root/chroot_tmpdir/scmroot/percona-toolkit'...
$ git fetch origin 18b137c9d62cb94a68bfb6d4947d9ffebd3518e2:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/percona-toolkit
 * [new ref]         18b137c9d62cb94a68bfb6d4947d9ffebd3518e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18b137c 3.5.4