$ git clone -n https://gitee.com/haomi0602/junit.git /var/lib/mock/dist-an8.10-build-433044-73077/root/chroot_tmpdir/scmroot/junit
Cloning into '/var/lib/mock/dist-an8.10-build-433044-73077/root/chroot_tmpdir/scmroot/junit'...
$ git fetch origin d8d4ded2e3b984ee0aa457061669ff676652eb5a:KOJI_FETCH_HEAD
From https://gitee.com/haomi0602/junit
 * [new ref]         d8d4ded2e3b984ee0aa457061669ff676652eb5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8d4ded update to 4.12-17