$ git clone -n https://src.fedoraproject.org/rpms/postfix.git /var/lib/mock/f41-build-834778-158344/root/chroot_tmpdir/scmroot/postfix
Cloning into '/var/lib/mock/f41-build-834778-158344/root/chroot_tmpdir/scmroot/postfix'...
$ git reset --hard 979433fd55a9ab13420321454b157f8fcd01d6a8
HEAD is now at 979433f Fixed postlog RPM verification