$ git clone -n https://gitee.com/src-anolis-os/ostree.git /var/lib/mock/dist-an8_5-build-74363-39116/root/chroot_tmpdir/scmroot/ostree
Cloning into '/var/lib/mock/dist-an8_5-build-74363-39116/root/chroot_tmpdir/scmroot/ostree'...
$ git reset --hard origin/a8
HEAD is now at 3da6080 update to ostree-2021.3-2.el8_5