$ git clone -n https://gitee.com/src-opencloudos-rpms/glibc.git /var/lib/mock/dist-oc9-build-122988-72621/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-oc9-build-122988-72621/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin ba6742f14e215e3ab831ca297892b698deecdd29:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glibc
 * [new ref]         ba6742f14e215e3ab831ca297892b698deecdd29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba6742f import glibc-2.38-27.tl4