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

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 # for setting up a new machine
  17 # usage: $0 [-r] [HOSTNAME]
  18 # HOSTNAME changes the machine's hostname
  19
  20 # tips:
  21 # run any sudo command first so your pass is cached
  22 # set the scrollback to unlimited in case something goes wrong
  23
  24
  25 # send to registrar, glue records:
  26 # for iankelling.org:
  27
  28 # ns1.iankelling.org 72.14.176.105
  29 # ns1.iankelling.org 2600:3c00::f03c:91ff:fe6d:baf8
  30 # ns2.iankelling.org 172.105.84.95
  31 # ns2.iankelling.org 2a01:7e01::f03c:91ff:feb5:baec
  32
  33 # for zroe.org:
  34
  35 # ns1.zroe.org 72.14.176.105
  36 # ns1.zroe.org 2600:3c00::f03c:91ff:fe6d:baf8
  37 # ns2.zroe.org 172.105.84.95
  38 # ns2.zroe.org 2a01:7e01::f03c:91ff:feb5:baec
  39 #
  40
  41
  42
  43 ####### begin setup environment #######
  44
  45
  46 ### make ssh interactive shell run better. for when running line interactively line by line
  47 sudo bash -c '/a/exe/ssh-emacs-setup'
  48
  49 ##### setup error handling
  50 interactive=true  # set this to false to force set -x
  51 [[ $- == *i* ]] || interactive=false
  52 if ! $interactive; then
  53   set -x
  54 fi
  55 source /a/bin/errhandle/err
  56
  57 mkdir -p ~/.local
  58 err-cleanup() {
  59   echo 1 >~/.local/distro-begin
  60 }
  61
  62 source /a/bin/distro-functions/src/package-manager-abstractions
  63
  64 ### setup logging
  65 echo "$0: $(date): starting now)"
  66
  67
  68 ### sanity checking
  69 if [[ $EUID == 0 ]]; then
  70   if getent passwd iank || getent passwd ian ; then
  71     echo "$0: error: running as root. unprivileged user exists. use it."
  72     exit 1
  73   else
  74     echo "$0: warning: running as root. I will setup users then exit"
  75   fi
  76 fi
  77
  78
  79 ### arg parsing
  80 recompile=false
  81 emacs=false
  82 if [[ -e /a/opt/emacs ]]; then
  83   emacs=true
  84 fi
  85 while [[ $1 == -* ]]; do
  86   case $1 in
  87     -r) recompile=true; shift ;;
  88     -e) emacs=false; shift ;;
  89   esac
  90 done
  91 if [[ $1 ]]; then
  92   export HOSTNAME=$1
  93 fi
  94
  95
  96 ##### variables/env setup
  97 script_dir="$(readlink -f "${BASH_SOURCE[@]}")"; script_dir=${script_dir%/*}
  98 # shellcheck source=./pkgs
  99 source $script_dir/pkgs
 100 set +x
 101 source /a/bin/distro-functions/src/identify-distros
 102 $interactive || set -x
 103 for f in kd x2 x3 x8 frodo tp li bk je demohost kw sy bo; do
 104   eval "$f() { [[ $HOSTNAME == $f ]]; }"
 105 done
 106 codename=$(debian-codename)
 107 bitfolk() { je || bk; }
 108 has_wayland() { has_monitor && [[ $codename == buster ]]; }
 109 has_x() { has_monitor && [[ $codename != buster ]]; }
 110 has_monitor() { ! vps ; }
 111 vps() { bitfolk || li; }
 112 # linode actually has btrfs now, but we dont do anything with it.
 113 has_btrfs() { ! vps; }
 114 home_network() { ! vps && ! tp; }
 115 has_p() { ! vps && ! tp; }
 116 encrypted() { ! bitfolk; }
 117 shopt -s extglob
 118 export GLOBIGNORE="*/.:*/.."
 119 umask 022
 120 PATH="/a/exe:$PATH"
 121 sed="sed --follow-symlinks"
 122
 123 ####### end setup environment #######
 124
 125
 126 ##### begin setup encryption scripts ######
 127 if encrypted; then
 128   # I tried making a service which was dependent on reboot.target,
 129   # but it happened too late in the shutdown process.
 130   sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
 131 [Unit]
 132 Description=keyscripton
 133 # This is triggered by reboot and when keyscriptoff stops.
 134
 135 # tried using graphical.target, but it made my display manager restart before rebooting.
 136 # generally, I don't think targets order shutdown like they do startup.
 137 # So, I did systemd-analyze plot > something.svg, and picked a reliably started
 138 # service that happens late in the game.
 139 After=ntp.service
 140 DefaultDependencies=no
 141 # not sure if needed, makes sure we shut down before reboot.target
 142 Conflicts=reboot.target
 143
 144 [Service]
 145 Type=oneshot
 146 RemainAfterExit=yes
 147 ExecStart=/bin/true
 148 ExecStop=/a/exe/keyscript-on
 149
 150 [Install]
 151 WantedBy=keyscriptoff.service
 152 EOF
 153   sudo systemctl daemon-reload # needed if the file was already there
 154   sudo systemctl enable keyscripton.service
 155
 156   sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
 157 [Unit]
 158 Description=keyscriptoff
 159
 160 [Service]
 161 Type=oneshot
 162 ExecStart=/a/exe/keyscript-off
 163
 164 [Install]
 165 WantedBy=multi-user.target
 166 EOF
 167   sudo systemctl daemon-reload # needed if the file was already there
 168   sudo systemctl enable keyscriptoff.service
 169   sudo systemctl start keyscriptoff.service
 170
 171   pi rsync zstd
 172
 173   ## /usr/share/doc/dropbear-initramfs/README.initramfs.gz
 174   ## claims we need to do this. but it works fine without it.
 175   # tmp=$(mktemp)
 176   # while read -r m _; do /sbin/modinfo -F filename "$m"; done </proc/modules | \
 177     #   sed -nr "s@^/lib/modules/$(uname -r)/kernel/drivers/net(/.*)?/([^/]+)\.ko\$@\2@p" \
 178     #   | sudo dd of=$tmp
 179   # if ! diff -q /etc/initramfs-tools/modules $tmp &>/dev/null; then
 180   #   sudo dd if=$tmp of=/etc/initramfs-tools/modules
 181   #   sudo /usr/sbin/update-initramfs -u -k all
 182   # fi
 183   #
 184   ## if we were creating an intall for a different machine needing different modules, we could include them all like this:
 185   ## find /lib/modules/*/kernel/drivers/net /lib/modules/*/kernel/net -type f -name '*.ko' -printf "%f\n" | sed 's/.ko$//' | sort -u >/etc/initramfs-tools/modules
 186
 187   # this is here to cleanup the leftover from the comments above. remove it eventually.
 188   if [[ -s /etc/initramfs-tools/modules ]]; then
 189     sudo truncate -s0 /etc/initramfs-tools/modules
 190     sudo /usr/sbin/update-initramfs -u -k all
 191   fi
 192
 193   # initram auth keys get setup with rootsshsync later on.
 194   $script_dir/rootsshsync
 195
 196   ### To do a remote unlock: ssh and do this once per crypt disk:
 197   # echo -n PASS >/lib/cryptsetup/passfifo
 198   # or for buster+
 199   # cryptroot-unlock
 200
 201 fi
 202 ##### end setup encryption scripts ######
 203
 204
 205 # disabled until its fixed up
 206 # install-myqueue
 207
 208 # todo, it would be nice to cut down on some of the output
 209
 210
 211 #### rerun my fai-time scripts
 212 # already ran for pxe installs, but used for vps & updates
 213 distro=$(distro-name)
 214 case $distro in
 215   ubuntu|debian|trisquel)
 216     sudo bash -c ". /a/bin/fai/fai-wrapper && /a/bin/fai/fai/config/scripts/IANK/11-iank"
 217     ;;
 218   *)
 219     sudo bash -c ". /a/bin/fai/fai-wrapper &&
 220 /a/bin/fai/fai/config/distro-install-common/end"
 221     ;;
 222 esac
 223
 224 ###### setup hostname
 225 if [[ $HOSTNAME != $(cat /etc/hostname) ]]; then
 226   echo $HOSTNAME > /etc/hostname
 227   hostname -F /etc/hostname
 228 fi
 229 # office vpn dhcp adds to /etc/resolv.conf search office.fsf.org which
 230 # makes that be #1 priority, which makes dnsmasq resolve that for
 231 # unqualified hosts first, which means we skip the hosts file. Ya, its
 232 # kinda dumb, but it is what it is. There is a dnsmasq config option to
 233 # override it too, but this seems simpler.
 234 sudo sed -i --follow-symlinks -f - /etc/hosts <<EOF
 235 \$a 127.0.1.1 $HOSTNAME.b8.nz $HOSTNAME.office.fsf.org $HOSTNAME
 236 /^127\.0\.1\.1/d
 237 EOF
 238
 239 ##### exit first stage if running as root
 240 if [[ $EUID == 0 ]]; then
 241   if [[ ! -e /home/iank/.ssh/authorized_keys && ! -L /home/iank/.ssh/authorized_keys ]]; then
 242     sudo -u iank mkdir -p /home/iank/.ssh
 243     chmod 0700 /home/iank/.ssh
 244     sudo -u iank ln -sf /p/c/machine_specific/vps/subdir_files/.ssh/authorized_keys /home/iank/.ssh
 245   fi
 246   echo "$0: running as root. exiting now that users are setup"
 247   exit 0
 248 fi
 249
 250
 251 #### setup bash for root
 252 for x in /a/c/{.bashrc,brc,brc2,.bash_profile,.profile,.inputrc,path_add_function}; do
 253   sudo -i <<EOF
 254 PATH="/a/exe:$PATH"
 255 lnf $x /root
 256 EOF
 257 done
 258
 259 ###### link files
 260 # convenient to just do all file linking in one place
 261 sudo /a/exe/lnf -T /a/bin /b
 262 sudo /a/exe/lnf -T /a/f /f
 263 sudo /a/exe/lnf -T /var/log/exim4 /el
 264 sudo /a/exe/lnf -T /a/f/ans /c
 265 sudo /a/exe/lnf -T /nocow/t /t
 266 if has_p; then
 267   lnf -T /p/News ~/News
 268 fi
 269 dirs=(/q/root /q/root/.editor-backups /q/root/.undo-tree-history)
 270 sudo mkdir -p ${dirs[@]}
 271 sudo chmod 600 ${dirs[@]}
 272 sudo /a/exe/lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 273      /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
 274 /a/bin/ds/install-my-scripts # needed for rootsshsync cronjob
 275 sudo /a/exe/lnf /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 276
 277
 278 ###### do conflink
 279 # vps needs bind group before conflink
 280 if vps; then
 281   pi-nostart bind9
 282 fi
 283 if bitfolk; then
 284   pi-nostart unbound
 285 fi
 286 # this needs to be before installing pacserve so we have gpg conf.
 287 conflink
 288 rootsshsync
 289 if [[ -e /etc/rootsudoenv ]]; then
 290   source /etc/rootsudoenv
 291 fi
 292
 293
 294
 295 ###### bash environment setup
 296 set +x
 297 err-allow
 298 source /etc/profile.d/environment.sh
 299 export LC_USEBASHRC=t
 300 # shellcheck source=./.bashrc
 301 source ~/.bashrc
 302 err-catch
 303 $interactive || set -x
 304
 305 ##### use systemd-resolved for glibc resolutions
 306
 307 pi libnss-resolve
 308
 309 if [[ ! -L /etc/nsswitch.conf ]]; then
 310   sudo mkdir -p /etc/resolved-nsswitch
 311   sudo mv /etc/nsswitch.conf /etc/resolved-nsswitch
 312   sudo ln -sf /etc/resolved-nsswitch/nsswitch.conf /etc
 313 fi
 314
 315 f=/etc/basic-nsswitch/nsswitch.conf
 316 if [[ ! -e $f ]]; then
 317   sudo mkdir -p ${f%/*}
 318   sudo cp /etc/nsswitch.conf $f
 319   sudo sed -i --follow-symlinks 's/^ *hosts:.*/hosts: files dns myhostname/' $f
 320 fi
 321 case $HOSTNAME in
 322   bk|je)
 323     # je should be able to get along systemd-resolved, but ive had some odd
 324     # very intermittent dns failures with spamassassin, it seems it might only
 325     # be happening with systemd-resolved, so just use unbound
 326     # to make it consistent with the other hosts.
 327     sudo sed -i --follow-symlinks 's/^ *hosts:.*/hosts: files dns myhostname/' /etc/nsswitch.conf
 328     soff systemd-resolved
 329     sudo ln -sf 127.0.0.1-resolv/stub-resolv.conf /etc/resolv.conf
 330     sgo unbound
 331     # cautious measure to make sure resolution is working
 332     sleep 1
 333     ;;
 334   *)
 335     # default is
 336     # files mdns4_minimal [NOTFOUND=return] dns myhostname
 337     # mdns4 is needed for my printer and for bbb webrtc, not sure exactly why.
 338     # https://www.freedesktop.org/software/systemd/man/nss-resolve.html#
 339     # seems more important than some potential use case.
 340     # Interestingly, t9/t10 man page says use files before resolve, debian 10 says the opposite.
 341     # removing files makes hostname -f not actually give the fully qualified domain name.
 342     sudo sed -i --follow-symlinks 's/^ *hosts:.*/hosts: files resolve [!UNAVAIL=return] mdns4_minimal [NOTFOUND=return] myhostname/' /etc/resolved-nsswitch/nsswitch.conf
 343     ;;
 344 esac
 345
 346 case $HOSTNAME in
 347   bk)
 348     sgo named
 349     ;;
 350 esac
 351
 352
 353 lines=(
 354   "/etc/resolved-nsswitch/nsswitch.conf r,"
 355   "/etc/basic-nsswitch/nsswitch.conf r,"
 356   # Aug 06 23:09:11 kd audit[3995]: AVC apparmor="DENIED" operation="connect" profile="/usr/bin/freshclam" name="/run/systemd/resolve/io.systemd.Resolve" pid=3995 comm="freshclam" requested_mask="wr" denied_mask="wr" fsuid=109 ouid=101
 357   # I dont know if this is quite the right fix, but I saw other sockets
 358   # in the nameservice files that were rw, so figured it was ok to add this and it worked.
 359   "/run/systemd/resolve/io.systemd.Resolve rw,"
 360 )
 361 f=/etc/apparmor.d/abstractions/nameservice
 362 apparmor_reload=false
 363 if [[ -e $f ]]; then
 364   for l in "${lines[@]}"; do
 365     if ! grep -qF "$l" $f; then
 366       sudo sed -i "/\/nsswitch.conf/a $l" $f
 367       apparmor_reload=true
 368       if ! grep -qF "$l" $f; then
 369         echo "$0: failed editing $f. investigate"
 370         exit 1
 371       fi
 372     fi
 373   done
 374   if $apparmor_reload && systemctl is-enabled apparmor; then
 375     m ser reload apparmor
 376   fi
 377 fi
 378
 379
 380
 381 if dpkg -s -- nscd &>/dev/null; then
 382   sudo apt-get -y remove --purge --auto-remove nscd
 383   sudo systemctl stop nscd ||: # fails if already stopped
 384 fi
 385
 386 # http://strugglers.net/~andy/blog/2020/12/03/starting-services-only-when-the-network-is-ready-on-debiansystemd/
 387 if systemctl cat ifupdown-wait-online.service &>/dev/null; then
 388   sudo systemctl enable ifupdown-wait-online.service
 389 fi
 390
 391 if bitfolk; then
 392   # remove line like this: 85.119.82.128   je.iankelling.org       je
 393   # it messes with hostname -f.
 394   sudo sed -ri "/^127\./n;/[[:space:]]$HOSTNAME\$/d" /etc/hosts
 395 fi
 396
 397 if isdeb && [[ $(debian-codename) == aramo ]]; then
 398   sudo dd of=/etc/apt/preferences.d/aramo-jammy-missing <<'EOF'
 399 Package: linux-libc-dev libmysqlclient21
 400 Pin: release n=jammy,o=Ubuntu
 401 Pin-Priority: 500
 402 EOF
 403 fi
 404
 405 # libfdk just has some patent worries.
 406 # https://www.gnu.org/licenses/license-list.en.html#fdk
 407 if isdeb && [[ $(debian-codename) == nabia ]]; then
 408   sudo dd of=/etc/apt/preferences.d/nabia-focal-missing <<'EOF'
 409 Package: libfdk-aac1
 410 Pin: release n=focal,o=Ubuntu
 411 Pin-Priority: 500
 412 EOF
 413
 414   # it has a dependency python-paramiko that should be
 415   # python3-paramiko. the backport version is pretty close to the normal
 416   # version, so i just set the pin priority low for the backport and it
 417   # doesnt bother me
 418   sudo dd of=/etc/apt/preferences.d/nabia-backport <<'EOF'
 419 Package: ansible
 420 Pin: release a=nabia-backports
 421 Pin-Priority: -100
 422 EOF
 423
 424 fi
 425
 426
 427 # to test when these become available in trisquel, copy the package list, remove the * chars, repaplace PACKAGES below
 428 # for x in PACKAGES; do hr; e $x; if [[ $x == *- ]]; then s="^$x"; dpkg -l "$x*" | sed '0,/^+++/d'; else s="^$x\$"; fi; aptitude search "~O Trisquel ~n $s"; done
 429
 430
 431 #### setup firefox backport
 432 ## ian: disabled. backports are not being published atm due to rust packaging issue
 433 # if isdeb; then
 434 #     codename=$(debian-codename)
 435 #         if isdebian-stable && has_x; then
 436 #             s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 437 #     deb http://mozilla.debian.net/ $codename-backports firefox-release
 438 #     deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 439 # EOF
 440 #             p update
 441 #             # take care of mozilla signing errors in previous command
 442 #             pi pkg-mozilla-archive-keyring
 443 #         fi
 444 #     p update
 445 # fi
 446
 447
 448 ######  arch aur wrapper setup
 449 if isarch; then
 450   #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 451   sudo pacman -S --noconfirm --needed base-devel jq
 452   # pacaur seems to be the best, although it + cower has a few minor bugs,
 453   # its design goals seem good, so, going for it.
 454
 455   aurpi() {
 456     for p in "$@"; do
 457       tempdir=$(mktemp -d)
 458       pushd $tempdir
 459       aurex "$p"
 460       makepkg -sri --skippgpcheck --noconfirm
 461       popd
 462       rm -rf $tempdir
 463     done
 464   }
 465   aurpi cower pacaur
 466
 467   pi pacserve
 468
 469   x=$(mktemp); /usr/bin/pacman.conf-insert_pacserve >$x
 470   sudo dd of=/etc/pacman.conf if=$x; rm $x
 471   sudo systemctl enable pacserve.service
 472   sudo systemctl start pacserve.service
 473
 474 fi
 475
 476 #### update all packages
 477 pup
 478
 479
 480 ###### p1 packages install ######
 481 pi ${p1[@]}
 482
 483
 484 ######## fix evbug bug ######
 485 case $(debian-codename-compat) in
 486   xenial|bionic|focal|jammy)
 487     # noticed in flidas. dunno if it affects any others
 488     #https://bugs.launchpad.net/ubuntu/+source/module-init-tools/+bug/240553
 489     #https://wiki.debian.org/KernelModuleBlacklisting
 490     #common advice when searching is to use /etc/modprobe.d/blacklist.conf,
 491     #but that file won't work and will get automatically reverted
 492     sudo rmmod evbug ||: # might not be loaded yet
 493     file=/etc/modprobe.d/evbug.conf
 494     line="blacklist evbug"
 495     if [[ $(cat $file) != "$line" ]]; then
 496       sudo dd of=$file status=none <<<"$line"
 497       sudo depmod -a
 498       sudo update-initramfs -u
 499     fi
 500     ;;
 501 esac
 502
 503
 504
 505 #### arch specific early packages
 506 case $(distro-name) in
 507   arch)
 508     # pkgfile is like apt-cache
 509     pi pkgfile
 510     sudo pkgfile --update
 511     ;;
 512 esac
 513
 514 #### enable trim
 515 # enable trim for volume delete, other rare commands
 516 sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 517 if encrypted; then
 518   # flidas or so, these units arent built-in
 519   if isdeb && ! systemctl list-unit-files | grep ^fstrim.timer &>/dev/null ; then
 520     sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 521   fi
 522   # does weekly trim
 523   sudo systemctl enable fstrim.timer
 524 fi
 525
 526 ##### make extra dirs
 527 dirs=()
 528 for dir in /mnt/{1,2,3,4,5,6,7,8,9} /nocow/t; do
 529   [[ -e $dir ]] && continue
 530   dirs+=($dir)
 531 done
 532 if (( ${#dirs[@]} )); then
 533   # mkdir -p on a mounted directory will fail. so will chown if its an ro mount
 534   sudo mkdir -p "${dirs[@]}"
 535   sudo chown $USER:$USER  "${dirs[@]}"
 536 fi
 537
 538
 539 # disabled temporarily
 540 ###### setup /i
 541 # if home_network; then
 542 #   tu /etc/fstab <<'EOF'
 543 # /i/w  /w  none  bind,noauto  0 0
 544 # /i/k  /k  none  bind,noauto  0 0
 545 # EOF
 546 #   if ! mountpoint /kr; then
 547 #     sudo mkdir -p /kr
 548 #     sudo chown $USER:user2 /kr
 549 #   fi
 550 #   if [[ $HOSTNAME == frodo ]]; then
 551 #     tu /etc/fstab <<'EOF'
 552 # /k  /kr  none  bind,noauto  0 0
 553 # EOF
 554 #   else
 555 #     tu /etc/fstab <<'EOF'
 556 # frodo:/k  /kr  nfs  noauto  0 0
 557 # EOF
 558 #   fi
 559 #   sudo mkdir -p /i/{w,k}
 560 #   for dir in /{i,w,k}; do
 561 #     if mountpoint $dir; then continue; fi # already mounted
 562 #     sudo mkdir -p $dir
 563 #     sudo chown $USER:$USER $dir
 564 #   done
 565 #   # debian auto mounting of multi-disk encrypted btrfs is busted.  It is
 566 #   # in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
 567 #   # based on 3 of those, it creates .device units for /dev/mapper/dev...
 568 #   # then waits endlessly for them on bootup, after the /dev/mapper disks
 569 #   # have already been created and exist. todo: create a simple repro
 570 #   # for this in a vm and report it upstream.
 571 #   pi nfs-common
 572 #   sudo dd of=/root/imount <<'EOF'
 573 # #!/bin/bash
 574 # [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
 575 # set -eE -o pipefail
 576 # trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 577 # for dir in /i /k /kr /w; do
 578 #     if ! mountpoint $dir &>/dev/null && \
 579   #             awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
 580 #         if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
 581 #             mount $dir || echo "warning: failed to mount nfs on $dir"
 582 #         else
 583 #             mount $dir
 584 #         fi
 585 #     fi
 586 # done
 587 # EOF
 588 #   sudo chmod +x /root/imount
 589 #   sudo dd of=/etc/systemd/system/imount.service <<EOF
 590 # [Unit]
 591 # Description=Mount /i and related mountpoints
 592 # Before=syncthing@$USER.service
 593
 594 # [Service]
 595 # Type=oneshot
 596 # ExecStart=/root/imount
 597
 598 # [Install]
 599 # RequiredBy=syncthing@$USER.service
 600 # # note /kr needs networking, this target is the simplest way to
 601 # # time it when the network should be up, but not do something
 602 # # dumb like delay startup until the network is up. It happens
 603 # # at some time after network.target
 604 # WantedBy=multi-user.target
 605 # EOF
 606 #   sudo systemctl daemon-reload # needed if the file was already there
 607 #   sudo systemctl enable imount.service
 608 #   sudo systemctl start imount.service
 609 # fi
 610 ###### end setup /i
 611
 612 ##### setup /nocow.
 613 # a nocow dir that is common to multiple distros installed on the same system
 614 dir=/nocow
 615 if has_btrfs; then
 616   if ! mountpoint $dir; then
 617     subvol=/mnt/root/nocow
 618     if [[ ! -e $subvol ]]; then
 619       sudo btrfs subvolume create $subvol
 620       sudo chown root:1000 $subvol
 621       sudo chattr +C $subvol
 622     fi
 623
 624     first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
 625     tu /etc/fstab <<EOF
 626 $first_root_crypt  /nocow  btrfs  noatime,subvol=nocow$( (( $(nproc) > 2)) && echo ,compress=zstd )  0 0
 627 EOF
 628     sudo mkdir -p $dir
 629     sudo chown $USER:$USER $dir
 630     sudo mount $dir
 631   fi
 632 else
 633   sudo mkdir -p $dir
 634 fi
 635
 636 case $HOSTNAME in
 637   kd)
 638     tu /etc/fstab <<'EOF'
 639 /dev/mapper/crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V-part7  /d  btrfs  nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,compress=zstd,subvol=d  0 0
 640 /i /d/m none  bind,compress=zstd  0 0
 641 EOF
 642     if ! mountpoint /d &>/dev/null; then
 643       sudo mkdir -p /d
 644       if [[ -d /mnt/r7/d ]]; then
 645         sudo mount /d
 646       fi
 647     fi
 648     ;;
 649   frodo)
 650     tu /etc/fstab <<'EOF'
 651 /dev/mapper/crypt_dev_ata-ata-Hitachi_HDS722020ALA330_JK1121YAG7SXWS-part1  /i  btrfs  nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvol=i  0 0
 652 EOF
 653     if ! mountpoint /i &>/dev/null; then
 654       sudo mkdir -p /i
 655       if [[ -d /mnt/i/i ]]; then
 656         sudo mount /i
 657       fi
 658     fi
 659     ;;
 660 esac
 661
 662 if bitfolk; then
 663   sudo systemctl disable systemd-networkd
 664 fi
 665
 666 ##### setup email
 667 primary-setup
 668
 669 #### ubuntu nicety
 670 if isubuntu; then
 671   # disable crash report annoying dialogs.
 672   sudo dd of=/etc/default/apport <<<'enabled=0'
 673 fi
 674
 675 ##### install laptop hardware packages
 676 if tp || x2 || x3 || bo || sy; then
 677   case $distro in
 678     debian)
 679       pi task-laptop
 680       ;;
 681     ubuntu|trisquel)
 682       # the exact packages that task-laptop would install, since ubuntu
 683       # doesn\'t have this virtual in practice package.
 684       pi avahi-autoipd bluetooth powertop iw wireless-tools wpasupplicant
 685       ;;
 686     # todo: other distros unknown
 687   esac
 688 fi
 689
 690 if has_monitor; then
 691
 692   # sway not packaged for t9, not bothering to build it yet since
 693   # i3 doesnt seem to tear and stutter on video anymore.
 694   if [[ $codename == buster ]]; then
 695     pi sway xwayland
 696   fi
 697
 698
 699   ###### install X
 700   # no recommends due to this bug: https://trisquel.info/en/issues/26525
 701   pi --no-install-recommends i3
 702
 703   ##### install xinput
 704   case $(distro-name) in
 705     trisquel|ubuntu|debian)
 706       pi xinput
 707       ;;
 708   esac
 709
 710   # recommends gets us geoclue (for darkening automatically at night i assume),
 711   # which recommends modemmanager, which is annoying to fix for the model01 keyboard.
 712   # commented because I dont use it much, and in nabia its named changed to redshift-gtk
 713   #pi --no-install-recommends gtk-redshift
 714
 715   ##### setup X autostart
 716   # install for multiple display managers in case we use one
 717   dir=/etc/X11/xinit/xinitrc.d/
 718   sudo mkdir -p $dir
 719   sudo cp /a/bin/distro-setup/desktop-20-autostart.sh $dir
 720
 721   ## disabled since i'm not using gdm atm
 722   # dir=/etc/gdm3
 723   # sudo mkdir -p $dir/PostLogin
 724   # sudo cp /a/bin/distro-setup/desktop-20-autostart.sh $dir/PostLogin/Default
 725   sudo mkdir -p /etc/lightdm/lightdm.conf.d
 726   # etiona lightdm.log:
 727   # [SeatDefaults] is now called [Seat:*], please update this configuration
 728   sudo dd of=/etc/lightdm/lightdm.conf.d/12-iank.conf <<'EOF'
 729 [Seat:*]
 730 # display-setup-script=/a/bin/ds/lightdm-start
 731 session-setup-script=/a/bin/distro-setup/desktop-20-autostart.sh
 732 EOF
 733
 734
 735   # originally used xkbcomp, documented in input-setup.sh, this doesnt
 736   # work under wayland, but its still useful for creating the config,
 737   # then modifying the system files.
 738   sudo sed -i.orig '/key *<KPMU> *{/,/}/s/KP_Multiply/underscore/g' /usr/share/X11/xkb/symbols/keypad
 739
 740   ##### basic graphical packages
 741   pi konsole suckless-tools ssh-askpass
 742 fi
 743
 744
 745
 746 ##### install  emacs
 747 if $emacs; then
 748   if isarch; then
 749     # emacs git build was broken last time i checked,
 750     x=$(mktemp -d)
 751     pushd $x
 752     aurex emacs-git
 753     makepkg -si --noconfirm
 754     popd
 755     rm -rf $x
 756     pi hunspell hunspell-en
 757   else
 758     if $recompile; then
 759       /a/bin/buildscripts/emacs
 760       /a/bin/buildscripts/mu4e
 761     else
 762       /a/bin/buildscripts/emacs --no-r
 763       /a/bin/buildscripts/mu4e --no-r
 764     fi
 765   fi
 766   # the first pup command can kill off our /etc/ mod, so rerun this
 767   /a/exe/ssh-emacs-setup
 768 fi
 769
 770 if [[ $HOSTNAME == kd ]] && ! mountpoint /d &>/dev/null; then
 771   cat <<'EOFOUTER'
 772 # if this is a fresh reinstall, need to run something like this
 773 # to restore data:
 774 mkdir /mnt/r7/btrbk
 775 btrbk archive /mnt/rust1/btrbk /mnt/r7/btrbk
 776 btrfs sub snap /mnt/r7/btrbk/LATEST /mnt/r7/d
 777 mount /d
 778 EOFOUTER
 779 fi
 780
 781
 782 echo 0 >~/.local/distro-begin
 783 echo "$0: $(date): ending now"
 784 echo "exiting with status 0"
 785 exit 0