#!/bin/bash -l
# Copyright (C) 2016 Ian Kelling

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

errcatch

set -x

exec &> >(sudo tee -a /var/log/distro-end)
echo "$0: $(date): starting now)"

src="${BASH_SOURCE%/*}"

end_msg() {
    =    local y
    IFS= read -r -d '' y  ||:
    end_msg_var+="$y"
}

spa() { # simple package add
    simple_packages+=($@)
}

distro=$(distro-name)

pending_reboot=false
sed="sed --follow-symlinks"

# template
case $distro in
esac

pup

simple_packages=(
    htop
    mailutils
    nmon
    rdiff-backup
    ruby
    ruby-rest-client
    tree
    vim
    wcd
)

case $HOSTNAME in
    lj|li) : ;;
    *)
        # universal packages
        # swh-plugins is for karaoke pulsaudio filter.
        # mutagen for pithos
        # guvcview set webcam brightness to highest
        # pidgin-otr, i went into pidgin pluggin settings and generated a key for some accounts
        simple_packages+=(
            apache2
            apache2-doc
            apt-doc
            apt-listchanges
            aptitude-doc-en
            bash-doc
            beets
            beets-doc
            binutils-doc
            bind9-doc
            bind9-utils
            bwm-ng
            chromium
            cpio-doc
            cloc
            cpulimit
            cron
            debconf-doc
            dirmngr
            dnsutils
            dnsmasq
            dtrx
            duplicity
            eclipse
            evince
            fdupes
            feh
            filelight
            flashrom
            gawk-doc
            gcc-doc
            gdb
            gdb-doc
            geoip-bin
            git-doc
            git-email
            gitk
            glibc-doc
            goaccess
            gnome-screenshot
            gnome-session-flashback
            guvcview
            i3lock
            inetutils-traceroute
            iperf3
            iproute2-doc
            jq
            kid3-qt
            kid3-cli
            linux-doc
            locate
            lshw
            make-doc
            manpages
            manpages-dev
            meld
            mps-youtube
            mumble
            nagstamon
            nginx-doc
            nmap
            offlineimap
            oathtool
            p7zip
            paprefs
            parted-doc
            pavucontrol
            pdfgrep
            perl-doc
            pianobar
            pidgin
            pidgin-otr
            pry
            python-autopep8
            python3-doc
            python3-mutagen
            qrencode
            reportbug
            $(aptitude show ruby | sed -rn 's/Depends: (.*)/\1/p')-doc
            sqlite3-doc
            squashfs-tools
            swh-plugins
            tar-doc
            tcpdump
            telnet
            transmission-remote-gtk
            vlc
            whois
            wondershaper
        )
        spa $(apt-cache search ruby[.0-9]+-doc| awk '{print $1}')
        ;;
esac


########### begin section including li ################


case $distro in
    fedora) spa unrar ;;
    *) spa unrar-free ;;
esac


case $distro in
    arch)
        # ubuntu 14.04 uses b-cron,
        # but its not maintained in arch.
        # of the ones in the main repos, cronie is only one maintained.
        # fcron appears abandoned software.
        pi cronie
        sgo cronie
        ;;
    *) : ;; # other distros come with cron.
esac


if isdeb; then
    pi debian-goodies
fi


case $distro in
    *) pi at ;;&
    arch) sgo atd ;;
esac


case $distro in
    debian|trisquel|ubuntu) pi curl;;
    arch) : ;;
    # fedora: unknown
esac

case $distro in
    # tk for gitk
    arch) spa git tk ;;
    *) spa git ;;
esac

case $distro in
    arch) spa the_silver_searcher ;;
    debian|ubuntu|trisquel) spa silversearcher-ag ;;
    # fedora unknown
esac

case $distro in
    debian|ubuntu|trisquel) spa ntp;;
    arch)
        pi ntp
        sgo ntpd
        ;;
    # others unknown
esac


# no equivalent in other distros:
case $distro in
    debian|ubuntu|trisquel)
        pi aptitude
        if ! dpkg -s apt-file &>/dev/null; then
            # this condition is just a speed optimization
            pi apt-file
            s apt-file update
        fi
        # for debconf-get-selections
        spa debconf-utils
        ;;
esac

case $distro in
    ubuntu|trisquel|debian) spa ack-grep ;;
    arch|fedora) spa ack ;;
    # fedora unknown
esac

case $distro in
    arch|debian|ubuntu|trisquel)
        spa bash-completion
        ;;
    # others unknown
esac





# disable motd junk.
case $distro in
    debian)
        # allows me to pipe with ssh -t, and gets rid of spam
        # http://forums.debian.net/viewtopic.php?f=5&t=85822
        # i'd rather disable the service than comment the init file
        # this says disabling the service, it will still get restarted
        # but this script doesn't do anything on restart, so it should be fine
        s dd of=/var/run/motd.dynamic if=/dev/null
        # stretch doesn't have initscripts pkg installed by default
        if [[ $(debian-codename) == jessie ]]; then
            s update-rc.d motd disable
        fi
        ;;
    ubuntu|trisquel)
        # this isn't a complete solution. It still shows me when updates are available,
        # but it's no big deal.
        s t /etc/update-motd.d/10-help-text /etc/update-motd.d/00-header
        ;;
esac

# automatic updates
# reference:
# https://debian-handbook.info/browse/stable/sect.regular-upgrades.html
# /etc/cron.daily/apt calls unattended-upgrades
# /usr/share/doc/unattended-upgrades# cat README.md
# /etc/apt/apt.conf.d/50unattended-upgrades
if isdebian; then
    setup-debian-auto-update
fi

# we've got a few dependencies later on, so install them now.
pi eatmydata
s eatmydata apt-get -y install --purge --auto-remove "${simple_packages[@]}"
simple_packages=()


### begin docker install ####
# https://store.docker.com/editions/community/docker-ce-server-debian?tab=description
pi  software-properties-common apt-transport-https
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -
sudo add-apt-repository \
     "deb [arch=amd64] https://download.docker.com/linux/debian \
         $(lsb_release -cs) \
         stable"
p update
pi docker-ce
sgo docker
###  end docker install ####


case $distro in
    debian)
        # note, need python-certbot-nginx for nginx, but it depends on nginx,
        # and I'm not installing nginx by default right now
        if isdebian-testing; then
            pi --install-suggests certbot
        else
            pi --install-suggests -t jessie-backports certbot
        fi
        # make a version of the certbot timer that emails me.
        x=/systemd/system/certbot
        $sed -r -f - /lib$x.timer <<'EOF' |s dd of=/etc${x}mail.timer
s,^Description.*,\0 mail version,
EOF
        $sed -r -f - /lib$x.service <<'EOF' |s dd of=/etc${x}mail.service
s,(ExecStart=)(/usr/bin/certbot),\1/a/bin/log-quiet/sysd-mail-once certbotmail \2 --renew-hook /a/bin/distro-setup/certbot-renew-hook,
EOF
        ser daemon-reload
        sgo certbotmail.timer

        ;;
    # todo: other distros unknown
esac

# website setup
case $HOSTNAME in
    lj|li)

        case $HOSTNAME in
            lj) domain=iank.bid; exit 0 ;;
            li) domain=iankelling.org ;;
        esac
        /a/h/setup.sh $domain
        /a/h/build.rb

        sudo -E /a/bin/mediawiki-setup/mw-setup-script
        #$src/phab-setup

        pi-nostart mumble-server
        s $sed -ri "s/^ *(serverpassword=).*/\1$(< /a/bin/bash_unpublished/mumble_pass)/" /etc/mumble-server.ini

        # do certificate to avoid warning about unsigned cert,
        # which is overkill for my use, but hey, I'm cool, I know
        # how to do this.
        web-conf apache2 mumble.iankelling.org
        s rm -f /etc/apache2/sites-enabled/mumble.iankelling.org
        sudo -i <<'EOF'
export RENEWED_LINEAGE=/etc/letsencrypt/live/mumble.iankelling.org
/a/bin/distro-setup/certbot-renew-hook
EOF

        sgo mumble-server

        vpn-server-setup -d
        tee /etc/openvpn/client-config/mail <<'EOF'
ifconfig-push 10.8.0.4 255.255.255.0
EOF


        sudo dd of=/etc/systemd/system/vpnmail.service <<EOF
[Unit]
Description=Turns on iptables mail nat

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/a/bin/distro-setup/vpn-mail-forward start
ExecStop=/a/bin/distro-setup/vpn-mail-forward stop

[Install]
WantedBy=openvpn.service
EOF
        ser daemon-reload
        ser enable vpnmail.service
        # needed for li's local mail delivery.
        tu /etc/hosts <<<"10.8.0.4 mail.iankelling.org"
        sgo openvpn
        # setup let's encrypt cert
        web-conf apache2 mail.iankelling.org
        s rm /etc/apache2/sites-enabled/mail.iankelling.org{,-redir}.conf
        ser reload apache2

        domain=cal.iankelling.org
        web-conf -f 10.8.0.4:5232 - apache2 $domain <<'EOF'
#https://httpd.apache.org/docs/2.4/mod/mod_authn_core.html#authtype
# https://stackoverflow.com/questions/5011102/apache-reverse-proxy-with-basic-authentication
        <Location />
                Options +FollowSymLinks +Multiviews +Indexes
                AllowOverride None
                AuthType basic
                AuthName "Authentication Required"
                # setup one time, with root:www-data, 640
                AuthUserFile "/etc/caldav-htpasswd"
                Require valid-user
        <Location />
EOF
        # nginx version of above would be:
        # auth_basic "Not currently available";
        # auth_basic_user_file /etc/nginx/caldav/htpasswd;


        ########## begin pump.io setup ##########

        # once pump adds a logrotation script, turn off nologger,
        # and add
        #        "logfile": "/var/log/pumpio/pumpio.log",
        #
        s dd of=/etc/pump.io.json <<'EOF'
{
    "secret":  "SECRET_REPLACE_ME",
    "driver":  "mongodb",
    "params":  { "dbname": "pumpio" },
    "noweb":  false,
    "site":  "pump.iankelling.org",
    "owner":  "Ian Kelling",
    "ownerURL":  "https://iankelling.org/",
    "port":  8001,
    "urlPort": 443,
    "hostname":  "pump.iankelling.org",
    "nologger": true,
    "datadir": "/home/pumpio/pumpdata",
    "enableUploads": true,
    "debugClient": false,
    "disableRegistration": true,
    "noCDN": true,
    "key": "/home/pumpio/privkey.pem",
    "cert": "/home/pumpio/fullchain.pem",
    "address":  "localhost",
    "sockjs": false
}
EOF
        s sed -i "s#SECRET_REPLACE_ME#$(cat /p/c/machine_specific/li/pump-secret)#" /etc/pump.io.json

        # jessie\'s node is too old
        # https://nodejs.org/en/download/package-manager/
        curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -
        pi nodejs
        cd /home/iank
        rm -rf pump.io.git
        git clone https://github.com/pump-io/pump.io.git
        cd pump.io
        # note: doing this or the npm install pump.io as root had problems.
        npm install
        npm run build
        # normally, next command would be
        # s npm install -g databank-mongodb
        # but it\'s this until a bug in pump gets fixed
        s npm install -g databank-mongodb@0.19.2
        s useradd -m -s /bin/false pumpio
        sudo -u pumpio mkdir -p /home/pumpio/pumpdata
        # for testing browser when only listening to localhost,
        # in the pump.io.json, set hostname localhost, urlPort 5233
        #ssh -L 5233:localhost:5233 li

        s mkdir -p /var/log/pumpio/
        s chown pumpio:pumpio /var/log/pumpio/

        web-conf - apache2 pump.iankelling.org <<'EOF'
# currently a bug in pump that we cant terminate ssl
         SSLProxyEngine On
         ProxyPreserveHost On
         ProxyPass /  https://127.0.0.1:8001/
         ProxyPassReverse /  https://127.0.0.1:8001/
         # i have sockjs disabled per people suggesting that
         # it won\'t work with apache right now.
         # not sure if it would work with this,
         # but afaik, this is pointless atm.
         <Location /main/realtime/sockjs/>
             ProxyPass wss://127.0.0.1:8001/main/realtime/sockjs/
             ProxyPassReverse wss://127.0.0.1:8001/main/realtime/sockjs/
         </Location>
EOF

        sudo -i <<'EOF'
export RENEWED_LINEAGE=/etc/letsencrypt/live/pump.iankelling.org
/a/bin/distro-setup/certbot-renew-hook
EOF

        s dd of=/etc/systemd/system/pump.service <<'EOF'
[Unit]
Description=pump.io
After=syslog.target network.target

[Service]
Type=simple
User=pumpio
Group=pumpio
ExecStart=/home/iank/pump.io/bin/pump
Environment=NODE_ENV=production
# failed to find databank-mongodb without this.
# I just looked at my environment variables took a guess.
Environment=NODE_PATH=/usr/lib/nodejs:/usr/lib/node_modules:/usr/share/javascript

[Install]
WantedBy=multi-user.target
EOF
        ser daemon-reload
        sgo pump
        ########## end pump.io setup ############


        ############# begin setup mastodon ##############

        # I'd like to try gnu social just cuz of gnu, but it's not being
        # well maintained, for example, simple pull requests
        # languishing:
        # https://git.gnu.io/gnu/gnu-social/merge_requests/143
        # and I submitted my own bugs, basic docs are broken
        # https://git.gnu.io/gnu/gnu-social/issues/269

        # note, docker required, but we installed it earlier

        # i subscrubed to https://github.com/docker/compose/releases.atom
        # to deal with updates manually. So far, it means just reving the
        # version number, then restarting docker-compose with
        # cd ~/mastodon
        # docker-compose up -d
        curl -L https://github.com/docker/compose/releases/download/1.13.0/docker-compose-`uname -s`-`uname -m` | s dd of=/usr/local/bin/docker-compose
        s chmod +x /usr/local/bin/docker-compose


        cd ~
        i clone https://github.com/tootsuite/mastodon
        cd mastodon
        # subbed to atom feed to deal with updates
        git checkout $(git tag | grep -v rc | tail -n1)

        # per instructions, uncomment redis/postgres persistence in docker-compose.yml
        sed -i 's/^#//' docker-compose.yml

        cat >.env.production <<'EOF'
REDIS_HOST=redis
REDIS_PORT=6379
DB_HOST=db
DB_USER=postgres
DB_NAME=postgres
DB_PASS=
DB_PORT=5432

LOCAL_DOMAIN=mast.iankelling.org
LOCAL_HTTPS=true

SINGLE_USER_MODE=true

SMTP_SERVER=10.8.0.4
SMTP_PORT=25
SMTP_LOGIN=li
SMTP_FROM_ADDRESS=notifications@mast.iankelling.org
SMTP_DOMAIN=mast.iankelling.org
SMTP_DELIVERY_METHOD=smtp
EOF

        for key in PAPERCLIP_SECRET SECRET_KEY_BASE OTP_SECRET; do
            printf "%s=%s" $key "$(docker-compose run --rm web rake secret)" >>.env.production
        done
        s cat /etc/mailpass| while read -r domain port pass; do
            if [[ $domain == mail.iankelling.org ]]; then
                printf "SMTP_PASSWORD=%s" "$pass" >>.env.production
                break
            fi
        done



        docker-compose run --rm web rails assets:precompile

        # docker daemon takes care of starting on boot.
        docker-compose up -d

        s a2enmod proxy_wstunnel headers
        web-conf -f 3000 - apache2 mast.iankelling.org <<'EOF'
   ProxyPreserveHost On
   RequestHeader set X-Forwarded-Proto "https"
   ProxyPass /500.html !
   ProxyPass /oops.png !
   ProxyPass /api/v1/streaming/ ws://localhost:4000/
   ProxyPassReverse /api/v1/streaming/ ws://localhost:4000/
   ErrorDocument 500 /500.html
   ErrorDocument 501 /500.html
   ErrorDocument 502 /500.html
   ErrorDocument 503 /500.html
   ErrorDocument 504 /500.html
EOF


        ############### !!!!!!!!!!!!!!!!!
        ############### manual steps:

        # only following 2 people atm, so not bothering to figure out backups
        # when mastodon has not documented it at all.
        #
        # fsf@status.fsf.org
        # cwebber@toot.cat
        # dbd@status.fsf.org
        # johns@status.fsf.org

        # sign in page is at https://mast.iankelling.org/auth/sign_in
        # register as iank, then
        # https://github.com/tootsuite/documentation/blob/master/Running-Mastodon/Administration-guide.md
        # docker-compose run --rm web bundle exec rails mastodon:make_admin USERNAME=iank

        ############# end setup mastodon ##############

        # we use nsupdate to update the ip of home
        pi bind9

        echo "$0: $(date): ending now)"
        exit 0
        ;;
esac


########### end section including li/lj ###############

if [[ $HOSTNAME == treetowl ]]; then

    # vpn-server setup via:

    vpn-server-setup -r -d
    s tee -a /etc/openvpn/server/server.conf <<'EOF'
push "dhcp-option DNS 192.168.1.1"
push "route 192.168.1.0 255.255.255.0"
client-connect /a/bin/distro-setup/vpn-client-connect
EOF
    s sed -i --follow-symlinks 's/10.8./10.9./g' /etc/openvpn/server/server.conf
    ser restart openvpn-server@server
    vpn-mk-client-cert -s /etc/update-resolv-conf-home -c x2 -n home b8.nz
    dir=/p/c/machine_specific/x2/filesystem/etc/openvpn/client
    mkdir -p $dir
    # background: We have these files locally, but we\'d have to duplicate the logic
    # in vpn-mk-client-cert to get them, and this is just simpler.
    scp root@x2:/etc/openvpn/client/home* $dir



    # note, see bashrc for more documentation.
    pi rss2email
    s dd of=/etc/systemd/system/rss2email.service <<'EOF'
[Unit]
Description=rss2email
After=multi-user.target

[Service]
User=iank
Type=oneshot
# about 24 hours of failures
# it copies over its files without respecting symlinks, so
# we pass options to use different location.
ExecStart=/a/bin/log-quiet/sysd-mail-once -288 rss2email r2e -d /p/c/rss2email.json -c /p/c/rss2email.cfg run
EOF
    s dd of=/etc/systemd/system/rss2email.timer <<'EOF'
[Unit]
Description=rss2email

[Timer]
# for initial run. required.
OnActiveSec=30
# for subsequent runs.
OnUnitInactiveSec=300

[Install]
WantedBy=timers.target
EOF
    s systemctl daemon-reload
    sgo rss2email.timer
fi

######### begin  pump.io periodic backup #############
if [[ $HOSTNAME == treetowl ]]; then
    s dd of=/etc/systemd/system/pumpbackup.service <<'EOF'
[Unit]
Description=pump li backup
After=multi-user.target

[Service]
User=iank
Type=oneshot
ExecStart=/a/bin/log-quiet/sysd-mail-once pump-backup /a/bin/distro-setup/pump-backup
EOF
    s dd of=/etc/systemd/system/pumpbackup.timer <<'EOF'
[Unit]
Description=pump li backup hourly

[Timer]
OnCalendar=hourly

[Install]
WantedBy=timers.target
EOF
    s systemctl daemon-reload
    sgo pumpbackup.timer
fi
#########  end  pump.io periodic backup #############

case $distro in
    debian|ubuntu|trisquel)
        # suggests because we want the resolvconf package.
        # todo: check other distros to make sure it\'s installed
        pi-nostart --install-suggests openvpn
        # pi-nostart does not disable
        ser disable openvpn
        ;;
    *) pi openvpn;;
esac

/a/bin/distro-setup/radicale-setup

## android studio setup
# this contains the setting for android sdk to point to
# /a/opt/androidsdk, which is asked upon first run
lnf /a/opt/.AndroidStudio2.2 ~
# android site says it needs a bunch of packages for ubuntu,
# but I googled for debian, and someone says you just need lib32stdc++6 plus the
# jdk
# https://pid7007blog.blogspot.com/2015/07/installing-android-studio-in-debian-8.html
# see w.org for more android studio details
spa lib32stdc++6 default-jdk


if [[ $HOSTNAME == treetowl ]]; then
    ############# begin syncthing setup ###########

    # It\'s simpler to just worry about running it in one place for now.
    # I assume it would work to clone it\'s config to another non-phone
    # and just run it in one place instead of the normal having a
    # separate config.  I lean toward using the same config, since btrfs
    # syncs between comps.
    case $distro in
        arch) pi syncthing ;;
        ubuntu|trisquel|debian)
            # testing has relatively up to date packages
            if ! isdebian-testing; then
                # based on error when doing apt-get update:
                # E: The method driver /usr/lib/apt/methods/https could not be found.
                pi apt-transport-https
                # google led me here:
                # https://apt.syncthing.net/
                curl -s https://syncthing.net/release-key.txt | sudo apt-key add -
                s="deb http://apt.syncthing.net/ syncthing release"
                if [[ $(cat /etc/apt/sources.list.d/syncthing.list) != $s ]]; then
                    echo "$s" | s dd of=/etc/apt/sources.list.d/syncthing.list
                    p update
                fi
            fi
            pi syncthing
            ;;
    esac
    lnf -T /w/syncthing /home/iank/.config/syncthing
    sgo syncthing@iank # runs as iank

    # these things persist in ~/.config/syncthing, which I save in
    # /w/syncthing (not in /p, because syncthing should continue to
    # run on home server even when using laptop as primary device)
    # open http://localhost:8384/
    # change listen address from default to tcp://:22001,
    # this is because we do port forward so it doesn\'t have to use
    # some external server, but the syncthing is broken for port forward,
    # you get a message, something "like connected to myself, this should not happen"
    # when connecting to other local devices, so I bump the port up by 1,
    # based on
    # https://forum.syncthing.net/t/connected-to-myself-should-not-happen/1763/19.
    # Without this, it was being stuck syncing at 0%.
    # Set gui username and password.
    #
    # install syncthing via f-droid,
    # folder setting, turn off master folder (makes it read only).
    # on phone, add device, click bar code icon
    # on dekstop, top right, actions, device id
    # after adding, notification will appear on desktop to confirm
    #
    # syncing folder. from phone to desktop: select desktop in the
    # folder on phone\'s sync options, notification will appear in
    # desktop\'s web ui within a minute. For the reverse, the
    # notification will appear in android\'s notifications, you have to
    # swipe down and tap it to add the folder. It won\'t appear in the
    # syncthing ui, which would be intuitive, but don\'t wait for it
    # there.
    #
    # On phone, set settings to run syncthing all the time, and
    # show no notification.
    #
    # Folder versioning would make sense if I didn\'t already use btrfs
    # for backups. I would choose staggered, or trash can for more space.
    #
    # if needed to install on a remote comp:
    # ssh -L 8384:localhost:8384 -N frodo
    # open http://localhost:8384/
    #
    # Note, the other thing i did was port forward port 22000,
    # per https://docs.syncthing.net/users/firewall.html

    #############  end syncthing setup ###########
fi



# no equivalent in other distros:
case $distro in
    debian|ubuntu|trisquel)
        # for gui bug reporting
        spa python-vte
        ;;
esac


####### misc packages ###########

# nagstamon setting which were set through the ui
# in filters tab:
# all unknown sources
# all warning services
# acknowledged hosts & services
# hosts & services down for maintenence
# services on down hosts
# services on hosts in maintenece
# services on unreachable osts
# hosts in soft state
# services in soft state
# in display tab: icon in systray.

case $distro in
    debian|ubuntu|trisquel)
        # it asks if it should make users in it's group capture packets without root,
        # which is arguably more secure than running wireshark as root. default is no,
        # which is what i prefer, since I plan to use tcpdump to input to wireshark.
        s DEBIAN_FRONTEND=noninteractive pi wireshark-gtk
        ;;
    # others unknown
esac


case $distro in
    debian|ubuntu|trisquel)
        # no recommends because it wanted some other unstable package, something to
        # do with math or something, which I didn't want to deal with.
        p -y --no-install-recommends install python3-send2trash/unstable anki/unstable
        ;;
    # others unknown
esac

case $distro in
    debian|ubuntu|trisquel)
        # note i had to do this, which is persistent:
        # cd /i/k
        # s chgrp debian-transmission torrents partial-torrents

        # syslog says things like
        # 'Failed to set receive buffer: requested 4194304, got 425984'
        # google suggets giving it even more than that
        tu /etc/sysctl.conf<<'EOF'
net.core.rmem_max = 67108864
net.core.wmem_max = 16777216
EOF
        s sysctl -p

        # some reason it doesn\'t seem to start automatically anyways
        pi-nostart transmission-daemon

        # the folder was moved here after an install around 02/2017.
        # it contains runtime data,
        # plus a simple symlink to the config file which it\'s
        # not worth separating out.
        s lnf -T /i/transmission-daemon /var/lib/transmission-daemon/.config/transmission-daemon
        #
        # config file documented here, and it\'s the same config
        # for daemon vs client, so it\'s documented in the gui.
        # https://trac.transmissionbt.com/wiki/EditConfigFiles#Options
        #
        # I originaly setup rpc-whitelist, but after using
        # routing to a network namespace, it doesn\'t see the
        # real source address, so it\'s disabled.
        #
        # Changed the cache-size to 256 mb, reduces disk use.
        # It is a read & write cache.
        #
        s ruby <<'EOF'
require 'json'
p = '/etc/transmission-daemon/settings.json'
File.write(p, JSON.pretty_generate(JSON.parse(File.read(p)).merge({
'rpc-whitelist-enabled' => false,
'rpc-authentication-required' => false,
'incomplete-dir' => '/i/k/partial-torrents',
'incomplete-dir-enabled' => true,
'download-dir' => '/i/k/torrents',
"speed-limit-up" => 800,
"speed-limit-up-enabled" => true,
"peer-port" => 61486,
"cache-size-mb" => 256,
"ratio-limit" => 5.0,
"ratio-limit-enabled" => true,
})) + "\n")
EOF

        # make sure its not enabled, not sure if this is needed
        ser disable transmission-daemon
        ;;
    # todo: others unknown
esac
# adapted from /var/lib/dpkg/info/transmission-daemon.postinst
if ! getent passwd debian-transmission > /dev/null; then
    case $distro in
        arch)
            s useradd \
              --system \
              --create-home \
              --home-dir /var/lib/transmission-daemon \
              --shell /bin/false \
              debian-transmission
            ;;
        *)
            s adduser --quiet \
              --system \
              --group \
              --no-create-home \
              --disabled-password \
              --home /var/lib/transmission-daemon \
              debian-transmission
            ;;
    esac
fi
if [[ $HOSTNAME == frodo ]]; then
    sgo transmission-daemon-nn
fi


######### begin transmission client setup ######

if [[ -e /p/transmission-rpc-pass ]]; then
    # arch had a default config,
    # debian had nothing until you start it.
    # With a little trial an error, here is a minimal config
    # taken from the generated one, plus changes that the
    # settings ui does, without a bunch of ui crap settings.
    #
    # only settings I set were
    # hostname
    # auto-connect
    # password

    # the password is randomly generated on first run, i copied it out
    # so it could be used by other hosts.
    s ruby <<'EOF'
require 'json'
p = '/etc/transmission-daemon/settings.json'
s = JSON.parse(File.read(p))
s["rpc-password"] = File.read("/p/transmission-rpc-pass").chomp
File.write p, JSON.pretty_generate(s)
EOF

    rpc_pass=$(</p/transmission-rpc-pass)
    for f in /home/*; do
        d=$f/.config/transmission-remote-gtk
        u=${f##*/}
        s -u $u mkdir -p $d
        s -u $u dd of=$d/config.json <<EOF
{
  "profiles" : [
    {
      "profile-name" : "Default",
      "hostname" : "transmission.b8.nz",
      "rpc-url-path" : "/transmission/rpc",
      "username" : "",
      "password" : "$rpc_pass",
      "auto-connect" : true,
      "ssl" : false,
      "timeout" : 40,
      "retries" : 3,
      "update-active-only" : false,
      "activeonly-fullsync-enabled" : false,
      "activeonly-fullsync-every" : 2,
      "update-interval" : 3,
      "min-update-interval" : 3,
      "session-update-interval" : 60,
      "exec-commands" : [
      ],
      "destinations" : [
      ]
    }
  ],
  "profile-id" : 0,
  "add-options-dialog" : false
}
EOF
    done
fi

# dunno why it\'s there, but get rid of it
case $HOSTNAME in
    li|lj) s rm -rf /home/linode ;;
esac


pi wget
case $HOSTNAME in
    tp|frodo)
        case $distro in
            debian|ubuntu|trisquel)
                log=$(mktemp)
                cd /a/opt
                wget -nv -N https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
                errallow
                set -o pipefail
                s dpkg -i google-chrome-stable_current_amd64.deb |& tee $log
                code=$?
                errcatch
                case $code in
                    0) : ;;
                    *)
                        # previously I had a more specific search, but dpkg
                        # changed it\'s output as of 7/2016
                        if grep 'dependency problems' \
                                $log &>/dev/null; then
                            s apt-get -fy install
                        else
                            exit 1
                        fi
                        ;;
                esac
                ;;
            arch)
                pi google-chrome
                ;;
        esac
        ;;
esac

# printer
case $distro in
    arch)
        pi cups ghostscript gsfonts # from arch wiki cups page
        pi hplip # from google
        s gpasswd -a $USER sys # from arch wiki
        sgo org.cups.cupsd.service
        # goto http://127.0.0.1:631
        # administration tab, add new printer button.
        # In debian, I could use hte recommended driver,
        # in arch, I had to pick out the 6L driver.
        ;;
    debian|ubuntu|trisquel)
        spa hplip
        ;;
    # other distros unknown
esac


case $distro in
    ubuntu|debian) pi --no-install-recommends mairix notmuch ;;
    fedora|arch) spa mairix notmuch ;;
esac
case $distro in
    arch) spa nfs-utils ;;
    ubuntu|debian) spa nfs-client ;;
esac
case $distro in
    ubuntu|debian) spa par2 ;;
    arch|fedora) spa par2cmdline ;;
esac

# needed for my tex resume
case $distro in
    ubuntu|debian) spa texlive-full ;;
    arch) spa texlive-most ;;
    # fedora unknown
esac

case $distro in
    ubuntu)
        # flash, unrar, codecs, ms fonts.
        # This has a manual prompt.
        spa ubuntu-restricted-extras
        ;;
    fedora)
        pi yum-utils
        # rpm fusion recommended codecs
        s su -c "yum localinstall -y --nogpgcheck http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm"
        pi gstreamer-plugins-ugly gstreamer-plugins-bad gstreamer-ffmpeg\
           xine-lib-extras-freeworld
        ;;
esac

case $distro in
    # optional dep for firefox for h.264 video
    arch) spa gst-libav ;;
    # other distros, probably come by default
esac

case $distro in
    fedora|ubuntu|trisquel|debian) spa gnupg-agent ;;
    arch) : ;;
esac


case $distro in
    fedora) spa pinentry-gtk ;;
    *) : ;; # comes default or with other packages
esac

case $distro in
    arch) spa firefox pulseaudio;;
    *) : ;; # comes default or with other packages
esac


case $distro in
    arch) spa ttf-dejavu;;
    debian|ubuntu|trisquel) spa fonts-dejavu ;;
    # others unknown
esac


case $distro in
    arch) spa xorg-xev;;
    debian|ubuntu|trisquel) spa x11-utils ;;
    # others unknown
esac

case $distro in
    arch) pi virt-install;;&
    debian|ubuntu|trisquel) pi virtinst ;;&
    *) pi virt-manager ;; # creates the libvirt group in debian at least
    # others unknown
esac
# allow user to run vms, from debian handbook
for x in iank traci; do s usermod -a -G libvirt,kvm $x; done
# bridge networking as user fails. google lead here, but it doesn\'t work:
# oh well, I give up.
# http://wiki.qemu.org/Features-Done/HelperNetworking
# s mkdir /etc/qemu
# f=/etc/qemu/bridge.conf
# s dd of=$f <<'EOF'
# allow br0
# EOF
# #s chown root:qemu $f # debian has somethig like qemu-libvirt. equivalent?
# s chmod 640 $f


case $distro in
    arch) spa cdrkit;;
    debian|ubuntu|trisquel) spa genisoimage;;
    # others unknown
esac

case $distro in
    arch) spa spice-gtk3 ;;
    debian|ubuntu|trisquel) spa spice-client-gtk;;
    # others unknown
esac

# general known for debian/ubuntu, not for fedora

case $distro in
    debian|ubuntu|trisquel)
        pi golang-go
        # a bit of googling, and added settings to bashrc
        go get -u github.com/mvdan/fdroidcl/cmd/fdroidcl
        ;;
    # others unknown
esac


case $distro in
    arch)
        # cdrkit for cloud-init isos
        # dnsmasq & ebtables for nat networking in libvirt
        # qemu for qemu-img, bind-tools for dig
        # dmidecode just because syslog complains
        pi unzip xorg-xmodmap dmidecode ebtables\
           bridge-utils dnsmasq qemu bind-tools
        # otherwise we get error about accessing kvm module.
        # seems like there might be a better way, but google was a bit vague.
        s $sed -ri '/^ *user *=/d' /etc/libvirt/qemu.conf
        echo 'user = "root"' | s tee -a /etc/libvirt/qemu.conf
        # https://bbs.archlinux.org/viewtopic.php?id=206206
        # # this should prolly go in the wiki
        sgo virtlogd.socket
        # guessing this is not needed
        #sgo virtlogd.service
        sgo libvirtd

        ;;
esac

case $distro in
    arch) pi virtviewer ;;
    *) : ;; # other distros have it as a dependency afaik.
esac



case $distro in
    fedora) cabal install shellcheck ;;
    *) spa shellcheck ;;
    # unknown for older ubuntu
esac


case $distro in
    arch|debian|ubuntu|trisquel) spa pumpa ;;
    # others unknown. do have a buildscript:
    # /a/bin/buildscripts/pumpa ;;
esac


case $distro in
    debian) pi adb ;;
    debian|ubuntu|trisquel) spa android-tools-adbd/unstable ;;
    arch) spa android-tools ;;
    # other distros unknown
esac

if [[ $HOSTNAME == treetowl ]]; then
    case $distro in
        debian)
            if [[ `debian-archive`  == testing ]]; then
                # has no unstable dependencies
                pi bitcoind/unstable
                src=/a/opt/bitcoin/contrib/init/bitcoind.service
                s cp $src /etc/systemd/system
                p=/etc/bitcoin/bitcoin
                dst=/etc/systemd/system/bitcoinjm.service
                # jm for joinmarket
                $sed -r "/^\s*ExecStart/s,${p}.conf,${p}jm.conf," $src \
                     >/etc/systemd/system/bitcoinjm.service

                d=jm; jm=d # being clever for succinctness
                for s in d jm; do
                    s $sed -ri "/^\s*\[Unit\]/a Conflicts=bitcoin${!s}.service" \
                      /etc/systemd/system/bitcoin${s}.service
                done

                ser daemon-reload

                dir=/nocow/.bitcoin
                s mkdir -p $dir
                s chown -R bitcoin:bitcoin $dir
                dir=/etc/bitcoin
                s mkdir -p $dir
                s chown -R root:bitcoin $dir
                s chmod 750 $dir

                # pruning decreases the bitcoin dir to 2 gb, keeps
                # just the recent blocks. can\'t do a few things like
                # import a wallet dump.
                # pruning works, but people had to do
                # some manual stuff in joinmarket. I dun need the
                # disk space, so not bothering yet, maybe in a year or so.
                # https://github.com/JoinMarket-Org/joinmarket/issues/431
                #https://bitcoin.org/en/release/v0.12.0#wallet-pruning
                #prune=550

                f=$dir/bitcoin.conf
                s dd of=$f <<EOF
server=1
# necessary for joinmarket, not bad in general
rpcpassword=$(openssl rand -base64 32)
rpcuser=$(openssl rand -base64 32)
EOF

                # dunno about sharing a wallet between multiple instances
                # manually did, wallet.dat symlinked in /nocow/.bitcoin
                sgo bitcoind
            fi
            ;;
        # other distros unknown
    esac

#     ## disabling joinmarket, its too expensive
#     ### begin joinmarket setup ###

#     case $distro in
#         debian)
#             f=$dir/bitcoin.conf
#             f2=$dir/bitcoinjm.conf
#             s cp $f $f2
#             s tee -a $f2 >/dev/null <<EOF
# # Joinmarket
# walletnotify=curl -sI --connect-timeout 1 http://localhost:62602/walletnotify?%s
# alertnotify=curl -sI --connect-timeout 1 http://localhost:62602/alertnotify?%s
# wallet=joinmarket.dat
# EOF

#             ;;
#         # other distros unknown
#     esac

#     pi libsodium-dev python-pip
#     cd /a/opt/joinmarket
#     # using develop branch, as it seems to be mostly bug fixes,
#     # and this is quite new software.
#     # note: python3 does not work.
#     # has seg fault error due to some bug, but it still works
#     pip install -r requirements.txt || [[ $? == 139 ]]
#     # note, the target must exist ahead of time, or bitcoin
#     # just overwrites the link, and it\'s not happy with an empty file,
#     # so we have to create the wallet, then move and link it.
#     s lnf -T /q/bitcoin/wallet.dat /nocow/.bitcoin/wallet.dat
#     s lnf -T /q/bitcoin/joinmarket.dat /nocow/.bitcoin/joinmarket.dat
#     # not technically needed, but seems cleaner not to have
#     # symlinks be root owned unlike everything else
#     s chown -h bitcoin:bitcoin /nocow/.bitcoin/*

#     for var in rpcuser rpcpassword; do
#         u="$(s sed -rn "s/^$var=(.*)/\1/p" /etc/bitcoin/bitcoin.conf)"
#         # escape backslashes
#         u="${u//\\/\\\\\\\\}"
#         # escape commas
#         u="${u//,/\\,}"
#         sed -ri "s,^(rpc_${var#rpc}\s*=).*,\1 $u," joinmarket.cfg
#     done
#     sed -ri "s/^\s*(blockchain_source\s*=).*/\1 bitcoin-rpc/" joinmarket.cfg
#     ### end joinmarket setup ###


fi


case $distro in
    fedora)
        cd $(mktemp -d)
        wget http://tamacom.com/global/global-6.3.2.tar.gz
        ex global*
        cd global-6.3.2
        # based on https://github.com/leoliu/ggtags
        ./configure --with-exuberant-ctags=/usr/bin/ctags
        make
        s make install
        s pip install pygments
        ;;
    *)
        pi global
        ;;&
    arch)
        pi  python2-pygments
        ;;
    debian|ubuntu|trisquel)
        pi python-pygments
        ;;
esac


case $distro in
    debian)
        pi task-mate-desktop
        # in settings, change scrolling to two-finger,
        # because the default edge scroll doesn\'t work.
        pu transmission-gtk
        ;;
    # others unknown
esac

case $distro in
    arch) spa apg  ;;

    # already in debian jessie
esac





# note this failed running at the beginning of this file,
# because no systemd user instance was running.
# Doing systemd --user resulted in
# Trying to run as user instance, but $XDG_RUNTIME_DIR is not set

if isdebian-testing; then
    # as of 7/2016, has no unstable deps, and is not in testing anymore.
    pi synergy/unstable
else
    pi synergy
fi

# case $distro in
#     # ubuntu unknown. probably the same as debian, just check if the
#     # init scripts come with the package.
#     debian)
#         # copied from arch, but moved to etc
#         s dd of=/etc/systemd/user/synergys.service <<'EOF'
# [Unit]
# Description=Synergy Server Daemon
# After=network.target

# [Service]
# User=%i
# ExecStart=/usr/bin/synergys --no-daemon --config /etc/synergy.conf
# Restart=on-failure

# [Install]
# WantedBy=multi-user.target
# EOF
#         s dd of=/etc/systemd/user/synergys.socket <<'EOF'
# [Unit]
# Conflicts=synergys@.service

# [Socket]
# ListenStream=24800
# Accept=false

# [Install]
# WantedBy=sockets.target
# EOF
#         # had this fail with 'Failed to connect to bus: No such file or directory'
#         # then when I tried it manually, it worked fine...
#         if ! systemctl --user daemon-reload; then
#             sleep 2
#             echo retrying systemd user daemon reload
#             systemctl --user daemon-reload
#         fi
#         ;;&
#     *)
#         # taken from arch wiki.
#         s dd of=/etc/systemd/system/synergyc@.service <<'EOF'
# [Unit]
# Description=Synergy Client
# After=network.target

# [Service]
# User=%i
# ExecStart=/usr/bin/synergyc --no-daemon frodo
# Restart=on-failure
# # per man systemd.unit, StartLimitInterval, by default we
# # restart more than 5 times in 10 seconds.
# # And this param defaults too 200 miliseconds.
# RestartSec=3s

# [Install]
# WantedBy=multi-user.target
# EOF
#         s systemctl daemon-reload
#         case $HOSTNAME in
#             x2|treetowl)
#                 ser enable synergyc@iank
#                 ser start synergyc@iank ||: # X might not be running yet
#                 ;;
#             frodo)
#                 systemctl --user start synergys ||:
#                 systemctl --user enable synergys
#                 ;;
#         esac
#         ;;
# esac



### kdeconnect for gnome. started in /a/bin/distro-setup/desktop-20-autostart.sh
pi libgtk-3-dev python3-requests-oauthlib valac cmake python-nautilus
cd /a/opt/indicator-kdeconnect
mkdir -p build
cd build
cmake .. -DCMAKE_INSTALL_PREFIX=/usr
make
sudo make install


######### end misc packages #########


# packages I once used before and liked, but don\'t want installed now for
# various reasons:
# python-sqlite is used for offlineimap
# lxappearance python-sqlite dolphin paman dconf-editor



######## unfinished

# todo, finish configuring smart.

pi smartmontools
# mostly from https://wiki.archlinux.org/index.php/S.M.A.R.T.
# turn on smart. background on options:
# first line, -a = test everyting on all devices.
# -S on, turn on disk internal saving of vendor specific info,
# from google, seems like this is usually already on and fairly standard.
# -o on, turn on 4 hour period non-performance degrading testing.
# short test daily 2-3am, extended tests Saturdays between 3-4am:
sched="-s (S/../.././02|L/../../6/03)"
s sed -i --follow-symlinks "s#^[[:space:]]*DEVICESCAN.*#\
DEVICESCAN -a -o on -S on -n standby,q $sched \
-m ian@iankelling.org -M exec /usr/local/bin/smart-notify#" /etc/smartd.conf

# in the default configuration of at least ubuntu 14.04, resolvconf is
# configured to order any nameservers associated with tun* or tap*
# before the normal internet interfaces, which means they are always
# consulted first. This is often slower and undesirable, ie. local dns
# queries go from 0ms to 10+ or 100+ ms. To reverse the ordering, you
# can do:
#sudo sed -i --follow-symlinks '/tun\*\|tap\*/d' /etc/resolvconf/interface-order
# however, this breaks dns lookup for hosts on the openvpn lan.
# I can\'t figure out why hosts on the normal lan would not be
# broken under the default ordering, except the host I was
# testing with previously had an entry in /etc/hosts.

############# end unfinished

########### misc stuff

devs=()
for dev in $(s btrfs fi show /boot | sed -nr 's#.*path\s+(\S+)$#\1#p'); do
    devs+=($(devbyid $dev),)
done
devs[-1]=${devs[-1]%,} # jonied by commas

# on grub upgrade, we get prompts unless we do this
s debconf-set-selections <<EOF
grub-pc	grub-pc/install_devices	multiselect ${devs[*]}
EOF


# the wiki backup script from ofswiki.org uses generic paths
s lnf /p/c/machine_specific/li/mw_vars /root
s lnf /k/backup/wiki_backup /root

s cedit /etc/goaccess.conf <<'EOF' || [[ $? == 1 ]]
# all things found from looking around the default config
# copied existing NCSA Combined Log Format with Virtual Host, plus %L
log-format %^:%^ %h %^[%d:%t %^] "%r" %s %b "%R" "%u" %D
time-format %H:%M:%S
date-format %d/%b/%Y
log-file /var/log/apache2/access.log
color-scheme 2

# tip: copy access.log files to a stretch host directory, then run
# jessie's goaccess is too old for some options, and it\'s
# not easily installed from a testing.
# goaccess --ignore-crawlers -f <(cat *) -a -o html > x.html
EOF


case $distro in
    debian|ubuntu|trisquel)
        case `debian-archive` in
            stable)
                s dd of=/etc/apt/preferences.d/unison-gtk <<'EOF'
Explanation: Allow unison-gtk to be upgraded
Package: unison-gtk
Pin: release a=testing
Pin-Priority: 500
EOF
                # dont think using testing is needed since I figured out how to
                # deal with mismatching unison compilers, but I dont
                # see any reason to revert it, since it only installs
                # a single package which is primarily a single binary
                ;;
        esac
        pi unison/testing
        pi unison-gtk/testing # after to make it the default unison
        ;;
    arch)
        pi unison gtk2
        ;;
esac

case $distro in
    arch)
        # default is alsa, doesn\'t work with with pianobar
        s dd of=/etc/libao.conf <<'EOF'
default_driver=pulse
EOF
        ;;
esac

# note, for jessie, it depends on a higher version of btrfs-tools.
#
# # disabled due to my patch being in btrbk
# case $distro in
#     arch|debian|ubuntu|trisquel) pi btrbk ;;
#     # others unknown
# esac
cd /a/opt/btrbk
s make install
spa pv # for progress bar when running interactively.
if [[ $HOSTNAME == treetowl ]]; then
    # backup/sync manually on others hosts for now.
    sgo btrbk.timer
    # note: to see when it was last run,
    # ser list-timers
fi




case $distro in
    debian|ubuntu|trisquel) s gpasswd -a iank adm ;; #needed for reading logs
esac

# tor
case $distro in
    # based on
    # https://www.torproject.org/docs/rpms.html.en
    # https://www.torproject.org/docs/debian.html.en
    # todo: figure out if the running service needs to be restarted upon updates


    # todo on fedora: setup non-dev packages
    fedora)
        s dd of=/etc/yum.repos.d/torproject.repo <<'EOF'
[tor]
name=Tor experimental repo
enabled=1
baseurl=http://deb.torproject.org/torproject.org/rpm/tor-testing/fc/20/$basearch/
gpgcheck=1
gpgkey=http://deb.torproject.org/torproject.org/rpm/RPM-GPG-KEY-torproject.org.asc

[tor-source]
name=Tor experimental source repo
enabled=1
autorefresh=0
baseurl=http://deb.torproject.org/torproject.org/rpm/tor-testing/fc/20/SRPMS
gpgcheck=1
gpgkey=http://deb.torproject.org/torproject.org/rpm/RPM-GPG-KEY-torproject.org.asc
EOF

        # to be secure, take a look at the fingerprint reported from the following install, and see if it matches from the link above:
        # 3B9E EEB9 7B1E 827B CF0A  0D96 8AF5 653C 5AC0 01F1
        sgo tor
        /a/bin/buildscripts/tor-browser
        ;;
    ubuntu)
        tu /etc/apt/sources.list "deb http://deb.torproject.org/torproject.org $(debian-codename) main"
        gpg --keyserver keys.gnupg.net --recv 886DDD89
        gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | sudo apt-key add -
        p update
        pi deb.torproject.org-keyring
        pi tor
        /a/bin/buildscripts/tor-browser
        ;;
    debian)
        pi tor
        /a/bin/buildscripts/tor-browser
        ;;
    arch)
        pi tor tor-browser-en
        sgo tor
        ;;
    # ubuntu unknown
esac

# nfs server
case $distro in
    fedora)
        end_msg <<'EOF'
fedora todo: disable the firewall or find a way to automate it.
there's an unused section in t.org for tramikssion firewall setup

fedora manual config for nfs:
s firewall-config
change to permanent configuration
check the box for nfs
was hard to figure this out, not sure if this is all needed, but
unblock these too
mountd: udp/tcp 20048
portmapper, in firewall-config its called rpc-bind: udp/tcp 111
troubleshooting, unblock things in rpcinfo -p
make sure to reload the firewall to load the persistent configuration


EOF
        pi nfs-utils
        sgo nfs-server
        ;;
    debian|ubuntu|trisquel)
        pi nfs-server
        ;;
    arch)
        pi nfs-utils || pending_reboot=true
        sgo rpcbind
        # this failed until I rebooted
        sgo nfs-server
        ;;
esac


########### begin kodi setup ############
pi kodi

# based on https://wiki.debian.org/SecuringNFS
# but the quota stuff is either outdated or optional,
# i guessed that it was not needed and it worked fine.
s dd of=/etc/sysctl.d/nfs-static-ports.conf <<'EOF'
fs.nfs.nfs_callback_tcpport = 32764
fs.nfs.nlm_tcpport = 32768
fs.nfs.nlm_udpport = 32768
EOF
s sysctl --system
s $sed -ri -f - /etc/default/nfs-common <<'EOF'
/^\s*STATDOPTS=/d
$a STATDOPTS="--port 32765 --outgoing-port 32766"
EOF

s $sed -ri -f - /etc/default/nfs-kernel-server <<'EOF'
/^\s*RPCMOUNTDOPTS=/d
$a RPCMOUNTDOPTS="--manage-gids --port 32767"
EOF
ser restart nfs-kernel-server

if [[ $HOSTNAME == treetowl ]]; then
    # persistent one time steps for webdav:
    # create persistent password, put it in ~/.kodi/userdata/advancedsettings.xml,
    # per http://kodi.wiki/view/MySQL/Sync_other_parts_of_Kodi
    # htpasswd -c /p/c/filesystem/etc/davpass dav
    # chmod 640 /p/c/filesystem/etc/davpass
    # in conflink, set group to www-data.
    # In kodi, i set the music source, server address: my domain,
    # path: k/music. Then copied the file
    # /p/c/subdir_files/.kodi/userdata/sources.xml to save that setting.
    s a2enmod dav dav_fs
    web-conf -r /a/c/playlists - apache2 dav.$HOME_DOMAIN <<'EOF'
<Directory /a/c/playlists>
    DAV On
  AuthType Basic
  AuthName "Authentication Required"
  AuthUserFile "/etc/davpass"
  Require valid-user

# outside the standard /var/www, so use this:
  Order allow,deny
  Allow from all
</Directory>
EOF
    s mkdir -p /var/www/davlock
    s chown www-data:www-data /var/www/davlock
    s sed -i "1i DavLockDB /var/www/davlock/davlock" /etc/apache2/sites-enabled/dav.$HOME_DOMAIN.conf
    ser reload apache2

    teeu /etc/exports "/k/music *(ro,nohide,async,no_subtree_check,insecure)"
    exportfs -ra

    # kodi uses sqlite by default, but supports mysql.
    pi mariadb-server

    # see ofswiki.org for explanation.
    dbpass="$(cat /p/mysql-root-pass)"
    if ! echo exit|mysql -uroot "-p$dbpass"; then
        echo -e "\n\n$dbpass\n$dbpass\n\n\n\n\n" | mysql_secure_installation
    fi
    mysql -uroot "-p$dbpass" <<EOF
GRANT ALL PRIVILEGES ON *.* TO 'kodi' IDENTIFIED BY '$(</p/mysql-kodi-pass)';
EOF
    s sed -ri 's/^(\s*bind-address\s*=).*/\1 0.0.0.0/' /etc/mysql/mariadb.conf.d/50-server.cnf
    ser restart mariadb

fi

###########  end kodi setup ############


if [[ $HOSTNAME == treetowl ]]; then
    # nohide = export filesystems mounted deeper than the export point
    # fsid=0 makes this export the "root" export
    # not documented in the man page, but this means
    # 1. it can be mounted with a shorthand of server:/
    # 2. exports that are subdirectories of this one will automatically be mounted
    tu /etc/exports <<'EOF'
/k 192.168.1.0/24(rw,fsid=0,nohide,no_root_squash,async,no_subtree_check,insecure)
EOF
    s exportfs -rav
fi


e "$end_msg_var"


# persistent virtual machines

case $distro in
    debian|ubuntu|trisquel)
        pi libosinfo-bin;
        ;;
esac

# distro may not know about win 10 yet.
variant=win7
if ! virt-install --os-variant list &>/dev/null; then # we are using a newer virt-install
    for v in 10 8.1 8; do
        if osinfo-query os | gr "^\s*win${v/./\\.}\s" &>/dev/null; then
            variant=win$v
            break
        fi
    done
fi

if ! s virsh list --all --name | grep -xF win10 &>/dev/null; then

    # created account with
    # win10vmian@outlook.com, and easy to remember password
    # win 10 virtio, makes disk way way way faster
    # wget https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/latest-virtio/virtio-win.iso
    # https://wiki.archlinux.org/index.php/QEMU#Change_Existing_Windows_VM_to_use_virtio
    # for installing virtio after initial install instead of with initial iso:
    # qemu-img create -f qcow2 fake.qcow2 1G
    #    --disk=/a/images/virtio-win.iso,device=cdrom \
        #          --disk=/a/images/fake.qcow2,bus=virtio
    #  Also,
    #   went to device manager, saw 2 pci devices with yellow !,
    #   did search for drivers, pick  cdrom location, done.
    #
    # from http://www.tenforums.com/tutorials/4189-fast-startup-turn-off-windows-10-a.html.
    # google said there was a control panel option for it, but
    # that turned out to be a lie.
    # Put this in a .bat file and run as administrator to turn off
    # hyberboot which fucks things up.
    # REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Power" /V HiberbootEnabled /T REG_dWORD /D 0 /F
    # power settings, turn off display: never
    # run "control userpasswords2", turn on automatic login.
    # note: when changing devices, I just undefine, the create the vm again.

    if [[ -e /nocow/user/vms/win10.qcow2 ]]; then
        s virt-install --noautoconsole --graphics spice,listen=0.0.0.0 \
          --disk=/a/images/win10.qcow2,bus=virtio --vcpus 2 -r 4096 -w bridge=br0 \
          -n win10 --import --os-variant $variant --cpu host-model-only

        s virsh destroy win10
    fi

    if [[ -e /nocow/user/vms/win7.qcow2 ]]; then
        # this one hasn\'t had the virtio fix done yet.
        s virt-install --noautoconsole --graphics spice,listen=0.0.0.0 \
          --disk=/a/images/win7.qcow2 --vcpus 2 -r 4096 -w bridge=br0 \
          -n win7 --import --os-variant win7 --cpu host-model-only
        s virsh destroy win7
        # had a problem with --cpu host, so trying out
        # --cpu host-model-only
    fi
fi


if [[ $HOSTNAME == treetowl ]]; then
    pi samba
    # note samba re-reads it\'s config every 1 minute
    case $distro in
        arch) s cp /etc/samba/smb.conf.default /etc/samba/smb.conf ;;
    esac

    # add 2 lines after workgroup option
    s sed -ri --follow-symlinks '/^\s*encrypt passwords\s*=/d' /etc/samba/smb.conf
    s sed -ri --follow-symlinks '/^\s*map to guest\s*=/d' /etc/samba/smb.conf
    s sed -i --follow-symlinks 's/\(\s*workgroup\s*=\).*/\1 WORKGROUP\n\tencrypt passwords = yes\n\tmap to guest = bad password/'  /etc/samba/smb.conf
    # remove default homes section. not sharing that.
    s sed -ri --follow-symlinks '/^\s*\[homes\]/,/\s*\[/d' /etc/samba/smb.conf

    if ! grep -xF '[public]' /etc/samba/smb.conf &>/dev/null; then
        s tee -a /etc/samba/smb.conf <<'EOF'
[public]
      guest ok = yes
      read only = no
      path = /kr
EOF
    fi

    case $distro in
        debian|ubuntu|trisquel)
            # systemd claims it generates units from /etc/init.d, but it
            # clearly doesn\'t in debian. I have no idea how they are
            # related. fuck debian right now. It\'s not documented.  samba
            # has a systemd init file linked to /dev/null.  There\'s this
            # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=769714 which
            # claims samba\'s sub-services will be started automatically by
            # systemd... it didn\'t on install, wonder if it will on
            # boot. It clued me in how to start it manually though. Nothing
            # in /usr/share/doc/samba, debian admin guide says nothing about
            # any of this. (this is in debian testing as of 4/2016).

            s /etc/init.d/samba start
            ;;
        arch)
            sgo samba
            ;;
    esac
fi

tu /etc/hosts <<< "127.0.1.1 $(hostname).lan $(hostname)"


######### begin stuff belonging at the end    ##########


# Apps we want to override others for default file handler:
# simplest way in debian is to just install them last.
simple_packages+=(
    mpv
)

case $distro in
    ubuntu|debian)
        spa spacefm-gtk3 ;;
    arch)
        spa spacefm ;;
esac


pi "${simple_packages[@]}"


if $pending_reboot; then
    echo "$0: pending reboot and then finished. doing it now."
    s reboot now
else
    echo "$0: $(date): ending now)"
fi