$ git clone -n https://gitee.com/zhuhong_bo/deepin-desktop-schemas.git /var/lib/mock/dist-an23-dde-build-520744-76084/root/chroot_tmpdir/scmroot/deepin-desktop-schemas
Cloning into '/var/lib/mock/dist-an23-dde-build-520744-76084/root/chroot_tmpdir/scmroot/deepin-desktop-schemas'...
$ git fetch origin b18a8d67a4fc749e1085a0b5c0d2466e3381c7c3:KOJI_FETCH_HEAD
From https://gitee.com/zhuhong_bo/deepin-desktop-schemas
 * [new ref]         b18a8d67a4fc749e1085a0b5c0d2466e3381c7c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b18a8d6 update to version 5.12.5