iankelling.org Git - distro-setup/blob - distro-begin

   1 #!/bin/bash -l
   2 # Copyright (C) 2016 Ian Kelling
   3 # This program is under GPL v. 3 or later, see <http://www.gnu.org/licenses/>
   4
   5 # todo. dunno why, but original bootstrap of timezone is not sticking.
   6 # fixed manually with:
   7 # s dpkg-reconfigure tzdata
   8 # enter 12 then 11.
   9
  10
  11 # for bootstrapping a new machine
  12
  13 # to make ssh run better, first run this:
  14 sudo bash -c 'source /a/c/repos/bash/.bashrc && source /a/bin/ssh-emacs-setup'
  15
  16
  17 # see t.org for OS installer notes
  18
  19 # usage: $0 [OPTIONS] HOSTNAME
  20
  21 # tips:
  22 # run any sudo command first so your pass is cached
  23 # set the scrollback to unlimited in case something goes wrong
  24
  25 if [[ $EUID == 0 ]]; then
  26     if getent passwd ian; then
  27         echo "$0: error: running as root. unprivileged user exists. use it."
  28         exit 1
  29     else
  30         echo "$0: warning: running as root. I will setup users then exit"
  31     fi
  32 fi
  33
  34 interactive=false  # set this to true if running by hand in emacs
  35 [[ $- == *i* ]] || interactive=false
  36
  37 if ! $interactive; then
  38     set -x
  39     set -e -o pipefail
  40 fi
  41 set -E
  42 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
  43
  44 exec &> >(sudo tee -a /var/log/distro-begin)
  45 echo "$0: $(date): starting now)"
  46
  47 # headless=false # unused atm
  48 recompile=false
  49 # for copying to a new data fs
  50 bootstrapfs=false # old flag, needs new look before using.
  51 while [[ $1 == -* ]]; do
  52     case $1 in
  53         # avoid some of the longer compilation steps,
  54         # when we need to rerun because we had an error
  55         -r) recompile=true; shift ;;
  56     esac
  57 done
  58
  59 if [[ $1 ]]; then
  60     export HOSTNAME=$1
  61 fi
  62
  63 for f in iank-dev htpc treetowl x2 frodo tp lj lk; do
  64     eval "$f() { [[ $HOSTNAME == $f ]]; }"
  65 done
  66 has_p() { iank-dev || x2 || frodo; }
  67 has_x() { ! lj && ! lk; }
  68 encrypted() { has_p || tp; }
  69
  70 shopt -s extglob
  71 export GLOBIGNORE=*/.:*/..
  72 umask 0002
  73
  74
  75 ####### end command line parsing
  76
  77 if encrypted; then
  78     # I tried making a service which was dependent on reboot.target,
  79     # but it happened too late in the shutdown process.
  80     sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
  81 [Unit]
  82 Description=Turn on automatic decryption of drives on boot
  83 # tried using graphical.target, but it made my display manager restart before rebooting.
  84 # generally, I don't think targets order shutdown like they do startup.
  85 # So, I did systemd-analyze plot > something.svg, and picked a reliably started
  86 # service that happens late in the game.
  87 After=postfix.service
  88 DefaultDependencies=no
  89 Conflicts=reboot.target
  90
  91 [Service]
  92 Type=oneshot
  93 RemainAfterExit=yes
  94 ExecStart=/bin/true
  95 ExecStop=/a/bin/keyscript-on
  96
  97 [Install]
  98 WantedBy=keyscriptoff.service
  99 EOF
 100     sudo systemctl daemon-reload # needed if the file was already there
 101     sudo systemctl stop keyscripton.service
 102     #    sudo systemctl start keyscripton.service
 103     sudo systemctl enable keyscripton.service
 104
 105     sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
 106 [Unit]
 107 Description=Turn off automatic decryption of drives on boot
 108
 109 [Service]
 110 Type=oneshot
 111 ExecStart=/a/bin/keyscript-off
 112
 113 [Install]
 114 WantedBy=multi-user.target
 115 EOF
 116     sudo systemctl daemon-reload # needed if the file was already there
 117     sudo systemctl enable keyscriptoff.service
 118     sudo systemctl start keyscriptoff.service
 119 fi
 120
 121
 122 /a/bin/install-myqueue
 123
 124 if iank-dev; then
 125     desktop=$(ssh root@iankelling.org grep desktop /etc/hosts | grep -o "^.* ")
 126     if $bootstrapfs; then
 127         # for bootstrapping at a new job:
 128         cp="scp $desktop:"
 129         # for moving to a new hd, change $cp to move between filesystems
 130         mkdir -p /a/bin
 131         chown -R ian:ian /a # probably needs to be removed
 132         $cp/a/c /a
 133         $cp/a/c/bin/{bash-programs-by-ian,distro-begin,distro-functions,input-setup.sh} /a/bin
 134         echo -e \\n\\n\\n | ssh-keygen -t rsa
 135     fi
 136 fi
 137
 138 # this script has been designed to be idempotent
 139 # todo, it would be nice to cut down on some of the output
 140
 141
 142 for x in /a/bin/bash-programs-by-ian/repos/{errhandle,tee-unique,lnf}/*-function; do
 143     # output is below so shellcheck can verify sources
 144     echo "# shellcheck source=$x";
 145     # shellcheck source=/a/bin/bash-programs-by-ian/repos/errhandle/bash-trace-function
 146     # shellcheck source=/a/bin/bash-programs-by-ian/repos/errhandle/errallow-function
 147     # shellcheck source=/a/bin/bash-programs-by-ian/repos/errhandle/errcatch-function
 148     # shellcheck source=/a/bin/bash-programs-by-ian/repos/errhandle/errexit-function
 149     # shellcheck source=/a/bin/bash-programs-by-ian/repos/tee-unique/teeu-function
 150     # shellcheck source=/a/bin/bash-programs-by-ian/repos/lnf/lnf-function
 151     source $x
 152 done
 153
 154
 155 set +e
 156 $interactive || errcatch
 157 set +x
 158 source /a/bin/distro-functions/src/identify-distros
 159 $interactive || set -x
 160 echo path:$PATH
 161
 162
 163 if isfedora; then
 164     # comment out line disallowing calling sudo in scripts
 165     sudo sed -i 's/^Defaults *requiretty/#\0 # ian commented/' /etc/sudoers
 166     # turn on magic sysrq commands for this boot cycle
 167     echo 1 > sudo dd of=/proc/sys/kernel/sysrq
 168     # selinux is not user friendly. Like, you enable samba, but you haven't run the magic selinux commands so it doesn't work
 169     # and you have no idea why.
 170     sudo sed -i 's/^\(SELINUX=\).*/\1disabled/' /etc/selinux/config
 171     selinuxenabled && sudo setenforce 0
 172 fi
 173
 174
 175 # already ran for pxe installs, but used for vps & updates
 176 distro=$(distro-name)
 177 case $distro in
 178     ubuntu|debian)
 179         sudo bash -c ". /a/bin/fai/fai-wrapper && /a/bin/fai/fai/config/scripts/GRUB_PC/11-ian"
 180         ;;
 181     *)
 182         sudo bash -c ". /a/bin/fai-wrapper &&
 183 /a/bin/fai/fai/config/distro-install-common/end"
 184         ;;
 185 esac
 186
 187
 188 if [[ $EUID == 0 ]]; then
 189     echo "$0: running as root. exiting now that users are setup"
 190     exit 0
 191 fi
 192
 193
 194 # link files
 195
 196 lnf-home() {
 197     # $2 and opts are unused so far.
 198     opts=()
 199     while [[ $1 == -* ]]; do
 200         opts+=($1)
 201         shift
 202     done
 203     lnf ${opts[@]} "$1" /home/ian/$2
 204     sudo -u traci -i <<EOF
 205 source /a/bin/bash-programs-by-ian/repos/lnf/lnf-function
 206 lnf ${opts[@]} "$1" /home/traci/$2
 207 EOF
 208 }
 209
 210 for x in /a/c/repos/bash/!(.git); do
 211     lnf-home "$x"
 212     sudo -i <<EOF
 213 source /a/bin/bash-programs-by-ian/repos/lnf/lnf-function
 214 lnf $x /root
 215 EOF
 216 done
 217
 218 echo path:$PATH
 219
 220 set +x
 221 errallow
 222 source ~/.bashrc
 223 echo path:$PATH
 224 $interactive || errcatch
 225 $interactive || set -x
 226
 227
 228 # passwordless sudo
 229 tu /etc/sudoers <<'EOF'
 230 ian  ALL=(ALL)  NOPASSWD: ALL
 231 Defaults  env_keep += SUDOD
 232 EOF
 233
 234
 235 # enable magic sysrq keys. debian docs say it is already enabled by default
 236 isfedora && tu /etc/sysctl.conf 'kernel.sysrq = 1'
 237
 238
 239
 240 if isdebian; then
 241     codename=$(debian-codename)
 242     # non-existent var, as Im not planning to use stable right now
 243     if isdebian-stable; then
 244         if has_x; then
 245             s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 246 deb http://mozilla.debian.net/ $codename-backports firefox-release
 247 deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 248 EOF
 249         fi
 250
 251         # we change the mirror from the default, so we cant use tu
 252         s dd of=/etc/apt/sources.list.d/main-backports.list <<EOF
 253 deb http://http.debian.net/debian $codename-backports main contrib non-free
 254 deb-src http://http.debian.net/debian $codename-backports main contrib non-free
 255 EOF
 256
 257         p update
 258         # take care of mozilla signing errors in previous command
 259         pi pkg-mozilla-archive-keyring
 260         p update
 261     else
 262         :
 263         # this would change stable to testing, but I set that up already.
 264         # It\'s just a no-op if its already testing.
 265         # sudo sed -ri 's!^( *[^ #]+ +[^ ]+ +)[[:alpha:]]+(.*)!\1testing\2!' /etc/apt/sources.list
 266         p update
 267     fi
 268 fi
 269
 270 if isarch; then
 271     #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 272     sudo pacman -S --noconfirm --needed base-devel jq
 273     # pacaur seems to be the best, although it + cower has a few minor bugs,
 274     # its design goals seem good, so, going for it.
 275
 276     aurpi() {
 277         for p in "$@"; do
 278             tempdir=$(mktemp -d)
 279             pushd $tempdir
 280             aurex "$p"
 281             makepkg -sri --skippgpcheck --noconfirm
 282             popd
 283             rm -rf $tempdir
 284         done
 285     }
 286     aurpi cower pacaur
 287
 288     # for aur, automatically dl & add gpg keys.
 289     # Just the keyserver-options line goes in dirmngr.conf once
 290     # this bug is fixed: https://bugs.gnupg.org/gnupg/issue2147
 291     for homedir in /home/*; do
 292         # this creates ~/.gnupg. addgnupghome is kinda broken on arch.
 293         HOME=$homedir gpg -k
 294         teeu $homedir/.gnupg/gpg.conf <<EOF
 295 $(grep -o '^ *keyserver .*' $homedir/.gnupg/dirmngr.conf)
 296 keyserver-options auto-key-retrieve
 297 EOF
 298     done
 299     pi pacserve
 300     x=$(mktemp); /a/opt/pacman.conf-insert_pacserve >$x
 301     sudo dd of=/etc/pacman.conf if=$x; rm $x
 302     sudo systemctl enable pacserve.service
 303     sudo systemctl start pacserve.service
 304
 305     # strange error if just installing trash-cli: "pyalpm requires python",
 306     # so I see that it requires python2, and installing that manually fixes it.
 307     # I didn't see this on earlier installation, main thing which changed was
 308     # pacserve, so not sure if it's related.
 309     pi python2
 310 fi
 311
 312 pup
 313 pi trash-cli
 314
 315
 316 ###### link files ###########
 317 # convenient to just do all file linking in one place
 318
 319 # if it wasn't set already, we could set hostname here
 320 #echo treetowl | s dd of=/etc/hostname
 321 #s hostname -F /etc/hostname
 322 #HOSTNAME=$(hostname)
 323
 324 #########################################
 325 # NOTE: only /a needs to be mounted for creating links!
 326 ###########################################
 327
 328 # todo: reconcile ~/.ssh/config work/home
 329 s lnf -T /q/p /p
 330 s lnf -T /a/bin /b
 331 /a/bin/conflink
 332
 333 if has_p; then
 334     lnf -T /p/offlineimap ~/Maildir
 335     lnf -T /p/News ~/News
 336     # don't use /* because I don't want to require it to be mounted
 337     s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 338       /a/opt /a/c/.emacs.d /root
 339 fi
 340
 341 /a/bin/rootsshsync
 342
 343 s lnf /a/c/.inputrc /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 344
 345 # machine is going away
 346 # if [[ $HOSTNAME == htpc ]]; then
 347 #     lnf -T /i/Videos ~/Downloads
 348 # fi
 349
 350 if has_p; then
 351     # for dovecot
 352     lnf -T /i/k/mboxes ~/mail
 353 fi
 354
 355
 356 # basic needed packages
 357 case $(distro-name) in
 358     debian)
 359         if has_x; then
 360             if isdebian-stable; then
 361                 pi firefox/$codename-backports
 362             else
 363                 pi firefox/unstable # has no unstable dependencies
 364             fi
 365         fi
 366         # for hosts which require nonfree drivers
 367         case $HOSTNAME in
 368             tp|x2) : ;;
 369             *) pi linux-image-amd64 firmware-linux-nonfree \
 370                   firmware-linux-free linux-headers-amd64
 371                ;;
 372         esac
 373         ;;&
 374     ubuntu|debian)
 375         if has_x; then
 376             pi xmacro gtk-redshift xinput
 377         fi
 378         ;;&
 379     fedora)
 380         p -y groupinstall development-tools c-development books admin-tools
 381         pi wget man-pages
 382         if has_x; then
 383             pi redshift-gtk
 384             # debian has this package patched to work, upstream is dead
 385             # tried using alien, pi alien, alien -r *.deb, rpm -Uhv *.rpm, got this error, so fuck it
 386             # file /usr/bin from install of xmacro-0.3pre_20000911-7.x86_64 conflicts with file from package filesystem-3.2-19.fc20.x86_64
 387             # http://packages.debian.org/source/sid/xmacro
 388             pi patch libXtst-devel
 389             cd $(mktemp -d)
 390             wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911.orig.tar.gz
 391             wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911-6.diff.gz
 392             ex *.gz
 393             patch -p0 < xmacro_0.3pre-20000911-6.diff
 394             cd xmacro-0.3pre-20000911.orig
 395             make
 396             sleep 1 # not sure why the following command couldn\'t find, so trying this
 397             # no make install target
 398             s cp -f xmacroplay xmacrorec xmacrorec2 /usr/local/bin
 399         fi
 400         ;;&
 401     arch)
 402         # like apt-cache
 403         pi pkgfile
 404         s pkgfile --update
 405         if has_x; then
 406             # libxtst is missing dep https://aur.archlinux.org/packages/xmacro/#news
 407             pi xorg-server redshift xorg-xinput libxtst xmacro
 408
 409             # background:
 410             # https://aur.archlinux.org/packages/xkbset/#comment-545419
 411             cert=$(mktemp)
 412             cat >$cert <<'EOF'
 413 -----BEGIN CERTIFICATE-----
 414 MIIJADCCB+igAwIBAgIRAIVAhZ0TMbQ5jTm0koI8X6YwDQYJKoZIhvcNAQELBQAw
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 463 -----END CERTIFICATE-----
 464 -----BEGIN CERTIFICATE-----
 465 MIIF+TCCA+GgAwIBAgIQRyDQ+oVGGn4XoWQCkYRjdDANBgkqhkiG9w0BAQwFADCB
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 496 OjplXuXE0OPa0utaKC25Aplgom88L2Z8mEWcyfoB7zKOfD759AN7JKZWCYwk
 497 -----END CERTIFICATE-----
 498 -----BEGIN CERTIFICATE-----
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 506 dGlmaWNhdGlvbiBBdXRob3JpdHkwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK
 507 AoICAQCAEmUXNg7D2wiz0KxXDXbtzSfTTK1Qg2HiqiBNCS1kCdzOiZ/MPans9s/B
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 517 Hg9j1uliutZfVS7qXMYoCAQlObgOK6nyTJccBz8NUvXt7y+CDwIDAQABo0IwQDAd
 518 BgNVHQ4EFgQUU3m/WqorSs9UgOHYm8Cd8rIDZsswDgYDVR0PAQH/BAQDAgEGMA8G
 519 A1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQEMBQADggIBAFzUfA3P9wF9QZllDHPF
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 527 qS3fuQL39ZeatTXaw2ewh0qpKJ4jjv9cJ2vhsE/zB+4ALtRZh8tSQZXq9EfX7mRB
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 530 jjxDah2nGN59PRbxYvnKkKj9
 531 -----END CERTIFICATE-----
 532 EOF
 533             cat /etc/ssl/certs/ca-certificates.crt >> $cert
 534             CURL_CA_BUNDLE=$cert pi xkbset
 535         fi
 536
 537         ;;&
 538     ubuntu|debian|fedora)
 539         if has_x; then
 540             pi xkbset
 541         fi
 542         ;;&
 543 esac
 544
 545 if has_x; then
 546     pi xbindkeys
 547 fi
 548 pi cryptsetup lvm2
 549 # enables trim for volume delete, other rare commands.
 550 sudo sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 551
 552 if encrypted; then
 553     if isdeb; then
 554         sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 555     fi
 556     # does weekly trim
 557     sudo systemctl enable fstrim.timer
 558 fi
 559
 560 dirs=(/mnt/{1,2,3,4,5,6,7,8,9})
 561 s mkdir -p "${dirs[@]}"
 562 s chown ian:ian  "${dirs[@]}"
 563
 564 if [[ $HOSTNAME == treetowl ]]; then
 565     tu /etc/fstab <<'EOF'
 566 UUID=3f7b31cd-f299-40b4-a86b-7604282e2715 /i btrfs  noatime    0 2
 567 EOF
 568 else
 569     tu /etc/fstab <<'EOF'
 570 /q/i  /i  none  bind  0 0
 571 EOF
 572 fi
 573
 574 tu /etc/fstab <<'EOF'
 575 /i/w  /w  none  bind  0 0
 576 /i/k  /k  none  bind  0 0
 577 EOF
 578
 579 if ! mountpoint /kfrodo; then
 580     s mkdir -p /kfrodo
 581     s chown ian:traci /kfrodo
 582 fi
 583 if [[ $HOSTNAME == frodo ]]; then
 584     tu /etc/fstab <<'EOF'
 585 /k  /kfrodo  none  bind  0 0
 586 EOF
 587 else
 588     tu /etc/fstab <<'EOF'
 589 frodo:/k  /kfrodo  nfs  defaults  0 0
 590 EOF
 591 fi
 592
 593 s mkdir -p /q/i/{w,k}
 594 for dir in /{i,w,k}; do
 595     if mountpoint $dir; then continue; fi
 596     s mkdir -p $dir
 597     s chown ian:ian $dir
 598     s mount $dir
 599 done
 600
 601
 602 # ssh and probably some other things care about parent directory
 603 # ownership, and ssh doesn\'t allow any group writable parent
 604 # directories, so we are forced to use a directory structure similar
 605 # to home directories
 606 s chown root:ian /q
 607 s chmod 755 /q
 608
 609
 610 #  it comes with stretch and arch, but not jessie.
 611 # propogate /etc/udev/hwdb.d
 612 if which systemd-hwdb; then
 613     s systemd-hwdb update
 614     ser restart systemd-udev-trigger
 615 fi
 616
 617 # work desktop doesnt need gpg stuff, but it doesnt hurt
 618 s dd of=/etc/profile.d/environment.sh <<'EOF'
 619 # IAN: EDIT THIS FROM /a/bin/distro-begin
 620
 621 if [ -f $HOME/path_add-function ]; then
 622     . $HOME/path_add-function
 623     path_add /usr/sbin /usr/local/sbin /sbin
 624     path_add /a/exe /a/opt/bin $HOME/.cabal/bin
 625
 626     if [ -r /etc/alternatives/java_sdk ]; then
 627         export JAVA_HOME=/etc/alternatives/java_sdk
 628         path_add /etc/alternatives/java_sdk
 629     fi
 630 fi
 631
 632 export EDITOR="emacsclient"
 633 # this makes emacsclient file/-c start a server instance if none is running,
 634 # instead of some alternate editor logic
 635 export ALTERNATE_EDITOR=""
 636
 637 # ubuntu starts gpg agent automatically with  /etc/X11/Xsession.d/90gpg-agent.
 638 # fedora doesn't, which left me to figure this out, and google was no help.
 639 # fedora documentation is often quite bad :(
 640 # This is mostly copied from that file.
 641 # Main difference is that we eval the result of starting gpg-agent,
 642 # while that file executes it through xsession specific var.
 643 # Also make sourcing the pidfile make more sense.
 644 # End result should be the same afaik.
 645 # for gpg-agent to work when calling gpg from the command line,
 646 # we need an environment variable that is setup via the eval.
 647 # which is why we do this upon login, so it can propogate
 648 # It is also written to the file $HOME/.gnupg/gpg-agent-info-$(hostname)
 649 # I'm not aware if that is ever used, but just fyi.
 650 # I also added the bit about xmessaging the stderr,
 651 # because I'd like to know if the command fails
 652 if [ -f /etc/fedora-release ]; then
 653     : ${GNUPGHOME=$HOME/.gnupg}
 654
 655     GPGAGENT=/usr/bin/gpg-agent
 656     PID_FILE="$GNUPGHOME/gpg-agent-info-$(hostname)"
 657
 658     if ! $GPGAGENT 2>/dev/null; then
 659         temp="$(mktemp)"
 660         eval "$($GPGAGENT --homedir /p/do-not-delete --daemon --sh --write-env-file=$PID_FILE 2>$temp)"
 661         temperr="$(<"$temp")"
 662         [ -n "$temperr" ] && xmessage "gpg-agent stderr: $temperr"
 663     elif [ -r "$PID_FILE" ]; then
 664         . "$PID_FILE"
 665         export GPG_AGENT_INFO
 666     fi
 667 fi
 668
 669 # ubuntu has 002, debian has 022.
 670 # from what I've read, benefit of 002 makes shared groups read/write.
 671 # Security concern is where some unixes put everyone in a same group,
 672 # so if you copy files there with exact perms, that is probably not
 673 # what you want. I don't use a system like that, and I don't really care
 674 # either way, but I'd prefer
 675 # being able to sync file perms with ubuntu systems at work,
 676 # and it's easier to change the debian one.
 677
 678 umask 002
 679 EOF
 680
 681
 682
 683 /a/bin/postfix-setup
 684
 685 if isubuntu; then
 686     # disable crash report annoying crap
 687     s dd of=/etc/default/apport <<<'enabled=0'
 688 fi
 689
 690 if has_x; then
 691     if isarch; then
 692         # install so it's build dependencies don't get removed.
 693
 694         # emacs git build is currently broken
 695         if false; then
 696             x=$(mktemp -d)
 697             pushd $x
 698             aurex emacs-git
 699             makepkg -si --noconfirm
 700             popd
 701             rm -rf $x
 702         else
 703             pi emacs
 704         fi
 705         pi hunspell hunspell-en
 706     else
 707         # to disable emacs git build,
 708         # s apt-get install emacs
 709         if $recompile; then
 710             /a/bin/buildscripts/emacs -u
 711         else
 712             /a/bin/buildscripts/emacs -r
 713         fi
 714     fi
 715
 716     # todo, figure this out for arch if we ever try out gnome.
 717     if ! isarch; then
 718         # install for multiple display managers in case we use one
 719         if isdeb; then
 720             dir=/etc/gdm3
 721         elif isfedora; then
 722             # fedora didn\'t have the 3.
 723             dir=/etc/gdm
 724         fi
 725         s mkdir -p $dir/PostLogin
 726         s command cp /a/bin/desktop-20-autostart.sh $dir/PostLogin/Default
 727         s mkdir /etc/lightdm/lightdm.conf.d
 728         s dd of=/etc/lightdm/lightdm.conf.d/12-ian.conf <<'EOF'
 729 [SeatDefaults]
 730 session-setup-script=/a/bin/desktop-20-autostart.sh
 731 EOF
 732     fi
 733
 734
 735     pi ghc sakura
 736     # todo, also note for work comp, scp opt/org-mode bin/build-scripts
 737
 738     # use the package manger version to install the cabal version
 739     pi cabal-install
 740     cabal update
 741     PATH="$PATH:$HOME/.cabal/bin"
 742
 743     # todo, on older ubuntu I used cabal xmonad + xfce,
 744     # see /a/bin/old-unused/xmonad-cabal.sh
 745
 746     # trying out the distros versions newer distros
 747     pi xmonad
 748     if isarch; then
 749         # for displaying error messages.
 750         # optional dependency in arch, standard elsewhere.
 751         pi xorg-xmessage xmonad-contrib xorg-xsetroot xorg-xinit
 752
 753         # https://wiki.archlinux.org/index.php/Xinitrc
 754         for homedir in /home/*; do
 755             cp /etc/X11/xinit/xinitrc $homedir/.xinitrc
 756             sed -ri '/^ *twm\b/,$d' $homedir/.xinitrc
 757             echo "source /a/bin/xinitrc" | tee -a $homedir/.xinitrc
 758         done
 759     else
 760         pi suckless-tools
 761     fi
 762     pi dmenu
 763
 764     if isdeb && (tp || x2); then
 765         pi task-laptop
 766     fi
 767 fi
 768
 769 # the first pup command can kill off our /etc/
 770 /a/bin/ssh-emacs-setup
 771 echo "$0: $(date): ending now"