$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/exiv2 /var/lib/mock/dist-el8-build-5658-34/root/chroot_tmpdir/scmroot/exiv2
Cloning into '/var/lib/mock/dist-el8-build-5658-34/root/chroot_tmpdir/scmroot/exiv2'...
$ git reset --hard origin/a8
HEAD is now at 250fcfc import exiv2-0.27.2-5.el8.src.rpm