$ git clone -n https://gitee.com/src-opencloudos-rpms/mysql.git /var/lib/mock/dist-oc9-build-112088-67765/root/chroot_tmpdir/scmroot/mysql
Cloning into '/var/lib/mock/dist-oc9-build-112088-67765/root/chroot_tmpdir/scmroot/mysql'...
$ git fetch origin 1b54627e8655d2119d17a191feb839eea4fdb549:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mysql
 * [new ref]         1b54627e8655d2119d17a191feb839eea4fdb549 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b54627 import mysql-8.0.39-1.tl4