$ git clone -n https://gitee.com/mgb01105731/git.git /var/lib/mock/dist-an23.3-build-421334-72884/root/chroot_tmpdir/scmroot/git
Cloning into '/var/lib/mock/dist-an23.3-build-421334-72884/root/chroot_tmpdir/scmroot/git'...
$ git fetch origin b21837738e262a63a736a02ce99f6bf4bb60abfb:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/git
 * [new ref]         b21837738e262a63a736a02ce99f6bf4bb60abfb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b218377 Update to 2.47.1 from 2.41.0