{
    "builders": [
        {
            "type": "vmware",
            "iso_url": "http://mirrors.kernel.org/archlinux/iso/2013.08.01/archlinux-2013.08.01-dual.iso",
            "iso_checksum": "65aaf2184f19d2bfcd9845688884c03d0f2efc52",
            "iso_checksum_type": "sha1",
            "boot_wait": "5s",
            "boot_command": [
                "<enter><wait10><wait10>",
                "/usr/bin/curl -O https://raw.github.com/elasticdog/packer-arch/master/install.sh<enter><wait10>",
                "/usr/bin/bash ./install.sh<enter>"
            ],
            "ssh_username": "vagrant",
            "ssh_password": "vagrant",
            "ssh_wait_timeout": "10m",
            "shutdown_command": "systemctl poweroff"
        }
    ]
}

{
    "builders": [
        {
            "type": "vmware",
            "iso_url": "http://mirrors.kernel.org/archlinux/iso/2013.08.01/archlinux-2013.08.01-dual.iso",
            "iso_checksum": "65aaf2184f19d2bfcd9845688884c03d0f2efc52",
            "iso_checksum_type": "sha1",
            "boot_wait": "5s",
            "boot_command": [
                "<enter><wait10><wait10>",
                "/usr/bin/curl -O https://raw.github.com/elasticdog/packer-arch/master/install.sh<enter><wait5>",
                "/usr/bin/bash ./install.sh<enter>"
            ],
            "ssh_username": "vagrant",
            "ssh_password": "vagrant",
            "shutdown_command": "systemctl poweroff"
        }
    ]
}

Adjust timings for download of install.sh and ssh
Adjust timings for download of install.sh and ssh
