$ git clone -n https://gitee.com/geliwei/patch.git /var/lib/mock/dist-an23-build-550098-88823/root/chroot_tmpdir/scmroot/patch
Cloning into '/var/lib/mock/dist-an23-build-550098-88823/root/chroot_tmpdir/scmroot/patch'...
$ git fetch origin f104ce43a8a6d2e41aa4435f51c853d3901204b5:KOJI_FETCH_HEAD
From https://gitee.com/geliwei/patch
 * [new ref]         f104ce43a8a6d2e41aa4435f51c853d3901204b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f104ce4 Fix CVE-2019-20633: Double free in another_hunk function in pch.c