$ git clone -n https://gitee.com/wenjie2025/vsftpd_1770018027.git /var/lib/mock/dist-an23-build-510768-75057/root/chroot_tmpdir/scmroot/vsftpd_1770018027
Cloning into '/var/lib/mock/dist-an23-build-510768-75057/root/chroot_tmpdir/scmroot/vsftpd_1770018027'...
$ git fetch origin b97d8fc3dde068d41a1b36c501c745dcdd56fbf9:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/vsftpd_1770018027
 * [new ref]         b97d8fc3dde068d41a1b36c501c745dcdd56fbf9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b97d8fc Update code from upstream