$ git clone -n https://gitee.com/src-opencloudos-rpms/pam.git /var/lib/mock/dist-oc8-build-81672-55680/root/chroot_tmpdir/scmroot/pam
Cloning into '/var/lib/mock/dist-oc8-build-81672-55680/root/chroot_tmpdir/scmroot/pam'...
$ git fetch origin 5c340b2dafca497b8ffcbf6649e5db16f390f81e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/pam
 * [new ref]         5c340b2dafca497b8ffcbf6649e5db16f390f81e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c340b2 import pam-1.3.1-34.tl3.1