$ git clone -n https://gitee.com/cobratoxin/mtr.git /var/lib/mock/dist-an8.7-build-273956-64202/root/chroot_tmpdir/scmroot/mtr
Cloning into '/var/lib/mock/dist-an8.7-build-273956-64202/root/chroot_tmpdir/scmroot/mtr'...
$ git fetch origin f6c245a9f126c5e91e5050abb6620abf83cfef67:KOJI_FETCH_HEAD
From https://gitee.com/cobratoxin/mtr
 * [new ref]         f6c245a9f126c5e91e5050abb6620abf83cfef67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6c245a import mtr-0.92-3.el8.src.rpm