$ git clone -n https://gitee.com/cobratoxin/gcr.git /var/lib/mock/dist-an8.8-build-287432-64868/root/chroot_tmpdir/scmroot/gcr
Cloning into '/var/lib/mock/dist-an8.8-build-287432-64868/root/chroot_tmpdir/scmroot/gcr'...
$ git fetch origin d3fc816cb4fe3c23fa6779d64a766f90ca2bcb35:KOJI_FETCH_HEAD
From https://gitee.com/cobratoxin/gcr
 * [new ref]         d3fc816cb4fe3c23fa6779d64a766f90ca2bcb35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3fc816 Add doc sub package