$ git clone -n https://gitee.com/src-opencloudos-rpms/expat.git /var/lib/mock/dist-oc8-build-119275-70121/root/chroot_tmpdir/scmroot/expat
Cloning into '/var/lib/mock/dist-oc8-build-119275-70121/root/chroot_tmpdir/scmroot/expat'...
$ git fetch origin 41adb975e1dbca11dd6dda97ee1c016914cae88d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/expat
 * [new ref]         41adb975e1dbca11dd6dda97ee1c016914cae88d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41adb97 import expat-2.2.5-16.tl3