$ git clone -n https://gitee.com/mgb01105731/git.git /var/lib/mock/dist-an23.2-build-421195-72903/root/chroot_tmpdir/scmroot/git
Cloning into '/var/lib/mock/dist-an23.2-build-421195-72903/root/chroot_tmpdir/scmroot/git'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/git
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 324f73a Update to 2.47.1 from 2.41.0