$ git clone -n https://gitee.com/src-anolis-os/glibc.git /var/lib/mock/dist-an7_9-updates-build-342031-69798/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-an7_9-updates-build-342031-69798/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 3cf6fb79702bec444da75a527f4e364f164d1a5c:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/glibc
 * [new ref]         3cf6fb79702bec444da75a527f4e364f164d1a5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cf6fb7 update to glibc-2.17-326.el7_9