$ git clone -n https://gitee.com/wenjie2025/vsftpd.git /var/lib/mock/dist-an23-build-503034-74825/root/chroot_tmpdir/scmroot/vsftpd
Cloning into '/var/lib/mock/dist-an23-build-503034-74825/root/chroot_tmpdir/scmroot/vsftpd'...
$ git fetch origin db9a78bbeda4d58b5c3c865513202eccafad4cb9:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/vsftpd
 * [new ref]         db9a78bbeda4d58b5c3c865513202eccafad4cb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db9a78b Update code from upstream