$ git clone -n https://gitee.com/mgb01105731/postfix.git /var/lib/mock/dist-an23-build-347082-70351/root/chroot_tmpdir/scmroot/postfix
Cloning into '/var/lib/mock/dist-an23-build-347082-70351/root/chroot_tmpdir/scmroot/postfix'...
$ git reset --hard 7a0f42373c66fe98ac179ba89c2ef251ba4ed73f
HEAD is now at 7a0f423 update to 3.7.9