$ git clone -n https://gitee.com/src-anolis-os/nss.git /var/lib/mock/dist-an7-updates-build-59806-32845/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/dist-an7-updates-build-59806-32845/root/chroot_tmpdir/scmroot/nss'...
$ git reset --hard origin/a7
HEAD is now at ab61ba1 !5 update to nss-3.67.0-4.el7_9.src.rpm Merge pull request !5 from xzyang/a7