$ git clone -n https://gitee.com/ocs-upgrade/mimalloc.git /var/lib/mock/dist-ocs23-base-build-296899-28839/root/chroot_tmpdir/scmroot/mimalloc
Cloning into '/var/lib/mock/dist-ocs23-base-build-296899-28839/root/chroot_tmpdir/scmroot/mimalloc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/mimalloc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 123e99a Upgrade to version 2.1.7