$ git clone -n https://gitee.com/src-anolis-os/ptlib.git /var/lib/mock/dist-an7-build-62567-34634/root/chroot_tmpdir/scmroot/ptlib
Cloning into '/var/lib/mock/dist-an7-build-62567-34634/root/chroot_tmpdir/scmroot/ptlib'...
$ git reset --hard origin/a7
HEAD is now at 54da0d8 !1 Fix build error Merge pull request !1 from xzyang/a7