$ git clone -n https://gitee.com/wenyuzifang/crash.git /var/lib/mock/dist-an23-build-469420-74027/root/chroot_tmpdir/scmroot/crash
Cloning into '/var/lib/mock/dist-an23-build-469420-74027/root/chroot_tmpdir/scmroot/crash'...
$ git fetch origin bb749efa72f302b9cdb00d33760e510049c069fb:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/crash
 * [new ref]         bb749efa72f302b9cdb00d33760e510049c069fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb749ef Update code from upstream