$ git clone -n https://gitee.com/zhuzhustu/i2c-tools.git /var/lib/mock/dist-an23-build-525605-78383/root/chroot_tmpdir/scmroot/i2c-tools
Cloning into '/var/lib/mock/dist-an23-build-525605-78383/root/chroot_tmpdir/scmroot/i2c-tools'...
$ git fetch origin 86cd93c5317384e0768934624c8c169a9381b351:KOJI_FETCH_HEAD
From https://gitee.com/zhuzhustu/i2c-tools
 * [new ref]         86cd93c5317384e0768934624c8c169a9381b351 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86cd93c update i2c-tools.spec.