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

   1 #!/bin/bash -l
   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
  17
  18
  19 # for bootstrapping a new machine
  20
  21 # in case we need it,
  22 # to make ssh interactive shell run better, we run this first.
  23 sudo bash -c 'source /a/c/repos/bash/.bashrc && source /a/exe/ssh-emacs-setup'
  24
  25
  26 # usage: $0 [-r] HOSTNAME
  27
  28 # tips:
  29 # run any sudo command first so your pass is cached
  30 # set the scrollback to unlimited in case something goes wrong
  31
  32 if [[ $EUID == 0 ]]; then
  33     if getent passwd ian; then
  34         echo "$0: error: running as root. unprivileged user exists. use it."
  35         exit 1
  36     else
  37         echo "$0: warning: running as root. I will setup users then exit"
  38     fi
  39 fi
  40
  41 interactive=true  # set this to false to force set -x
  42 [[ $- == *i* ]] || interactive=false
  43
  44 if ! $interactive; then
  45     set -x
  46     set -e -o pipefail
  47 fi
  48 set -E
  49 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
  50
  51 exec &> >(sudo tee -a /var/log/distro-begin)
  52 echo "$0: $(date): starting now)"
  53
  54 # headless=false # unused atm
  55 recompile=false
  56 # for copying to a new data fs
  57 bootstrapfs=false # old flag, needs new look before using.
  58 while [[ $1 == -* ]]; do
  59     case $1 in
  60         -r) recompile=true; shift ;;
  61     esac
  62 done
  63
  64 if [[ $1 ]]; then
  65     export HOSTNAME=$1
  66 fi
  67
  68 for f in iank-dev htpc treetowl x2 frodo tp li lj demohost; do
  69     eval "$f() { [[ $HOSTNAME == $f ]]; }"
  70 done
  71 has_p() { treetowl || x2 || frodo || tp || demohost; }
  72 has_x() { ! linode; }
  73 linode() { lj || li; }
  74 has_btrfs() { ! linode; }
  75 home_network() { ! linode; }
  76 encrypted() { has_p; }
  77
  78 shopt -s extglob
  79 export GLOBIGNORE=*/.:*/..
  80 umask 0002
  81
  82
  83 ####### end command line parsing
  84
  85 PATH="/a/exe:$PATH"
  86 sed="sed --follow-symlinks"
  87
  88 ##### begin setup encryption scripts ######
  89 if encrypted; then
  90     # I tried making a service which was dependent on reboot.target,
  91     # but it happened too late in the shutdown process.
  92     sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
  93 [Unit]
  94 Description=Turn on automatic decryption of drives on boot
  95 # tried using graphical.target, but it made my display manager restart before rebooting.
  96 # generally, I don't think targets order shutdown like they do startup.
  97 # So, I did systemd-analyze plot > something.svg, and picked a reliably started
  98 # service that happens late in the game.
  99 After=ntp.service
 100 DefaultDependencies=no
 101 # not sure if needed, makes sure we shut down before reboot.target
 102 Conflicts=reboot.target
 103
 104 [Service]
 105 Type=oneshot
 106 RemainAfterExit=yes
 107 ExecStart=/bin/true
 108 ExecStop=/a/exe/keyscript-on
 109
 110 [Install]
 111 WantedBy=keyscriptoff.service
 112 EOF
 113     sudo systemctl daemon-reload # needed if the file was already there
 114     sudo systemctl stop keyscripton.service
 115     #    sudo systemctl start keyscripton.service
 116     sudo systemctl enable keyscripton.service
 117
 118     sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
 119 [Unit]
 120 Description=Turn off automatic decryption of drives on boot
 121
 122 [Service]
 123 Type=oneshot
 124 ExecStart=/a/exe/keyscript-off
 125
 126 [Install]
 127 WantedBy=multi-user.target
 128 EOF
 129     sudo systemctl daemon-reload # needed if the file was already there
 130     sudo systemctl enable keyscriptoff.service
 131     sudo systemctl start keyscriptoff.service
 132 fi
 133 ##### end setup encryption scripts ######
 134
 135
 136 install-myqueue
 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/errhandle/*-function; do
 143     source $x
 144 done
 145
 146
 147 set +e
 148 $interactive || errcatch
 149 set +x
 150 source /a/bin/distro-functions/src/identify-distros
 151 $interactive || set -x
 152
 153 if isfedora; then
 154     # comment out line disallowing calling sudo in scripts
 155     sudo $sed -i 's/^Defaults *requiretty/#\0 # ian commented/' /etc/sudoers
 156     # turn on magic sysrq commands for this boot cycle
 157     echo 1 > sudo dd of=/proc/sys/kernel/sysrq
 158     # selinux is not user friendly. Like, you enable samba, but you haven't run the magic selinux commands so it doesn't work
 159     # and you have no idea why.
 160     sudo $sed -i 's/^\(SELINUX=\).*/\1disabled/' /etc/selinux/config
 161     selinuxenabled && sudo setenforce 0
 162 fi
 163
 164
 165 # already ran for pxe installs, but used for vps & updates
 166 distro=$(distro-name)
 167 case $distro in
 168     ubuntu|debian)
 169         sudo bash -c ". /a/bin/fai/fai-wrapper && /a/bin/fai/fai/config/scripts/GRUB_PC/11-ian"
 170         ;;
 171     *)
 172         sudo bash -c ". /a/bin/fai/fai-wrapper &&
 173 /a/bin/fai/fai/config/distro-install-common/end"
 174         ;;
 175 esac
 176
 177 if linode; then
 178     sudo $sed -i '/^127\.0\.1\.1/d' /etc/hosts
 179     echo "127.0.1.1 $HOSTNAME.lan $HOSTNAME" | sudo tee -a /etc/hosts
 180 fi
 181
 182
 183 if [[ $EUID == 0 ]]; then
 184     echo "$0: running as root. exiting now that users are setup"
 185     exit 0
 186 fi
 187
 188
 189 # this needs to be before installing pacserve so we have gpg conf.
 190 conflink
 191
 192 set +x
 193 errallow
 194 source ~/.bashrc
 195 $interactive || errcatch
 196 $interactive || set -x
 197
 198
 199 # passwordless sudo
 200 tu /etc/sudoers <<'EOF'
 201 ian  ALL=(ALL)  NOPASSWD: ALL
 202 Defaults  env_keep += SUDOD
 203 EOF
 204
 205
 206 # enable magic sysrq keys. debian docs say it is already enabled by default
 207 isfedora && tu /etc/sysctl.conf 'kernel.sysrq = 1'
 208
 209
 210 if isdebian; then
 211     codename=$(debian-codename)
 212     if isdebian-stable && has_x; then
 213         s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 214 deb http://mozilla.debian.net/ $codename-backports firefox-release
 215 deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 216 EOF
 217         p update
 218         # take care of mozilla signing errors in previous command
 219         pi pkg-mozilla-archive-keyring
 220         p update
 221     else
 222         :
 223         # this would change stable to testing, but I set that up already.
 224         # It\'s just a no-op if its already testing.
 225         # sudo sed -ri 's!^( *[^ #]+ +[^ ]+ +)[[:alpha:]]+(.*)!\1testing\2!' /etc/apt/sources.list
 226         p update
 227     fi
 228 fi
 229
 230 if isarch; then
 231     #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 232     sudo pacman -S --noconfirm --needed base-devel jq
 233     # pacaur seems to be the best, although it + cower has a few minor bugs,
 234     # its design goals seem good, so, going for it.
 235
 236     aurpi() {
 237         for p in "$@"; do
 238             tempdir=$(mktemp -d)
 239             pushd $tempdir
 240             aurex "$p"
 241             makepkg -sri --skippgpcheck --noconfirm
 242             popd
 243             rm -rf $tempdir
 244         done
 245     }
 246     aurpi cower pacaur
 247
 248     pi pacserve
 249
 250     x=$(mktemp); /usr/bin/pacman.conf-insert_pacserve >$x
 251     sudo dd of=/etc/pacman.conf if=$x; rm $x
 252     sudo systemctl enable pacserve.service
 253     sudo systemctl start pacserve.service
 254
 255     # strange error if just installing trash-cli: "pyalpm requires python",
 256     # so I see that it requires python2, and installing that manually fixes it.
 257     # I didn't see this on earlier installation, main thing which changed was
 258     # pacserve, so not sure if it's related.
 259     pi python2
 260 fi
 261
 262 pup
 263 pi trash-cli
 264
 265
 266 ###### link files ###########
 267 # convenient to just do all file linking in one place
 268
 269 # if it wasn't set already, we could set hostname here
 270 #echo treetowl | s dd of=/etc/hostname
 271 #s hostname -F /etc/hostname
 272 #HOSTNAME=$(hostname)
 273
 274
 275 s lnf -T /a/bin /b
 276
 277 if has_p; then
 278     lnf -T /p/News ~/News
 279 fi
 280
 281 s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 282   /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
 283
 284 rootsshsync
 285
 286 s lnf /a/c/.inputrc /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 287
 288 # machine is going away
 289 # if [[ $HOSTNAME == htpc ]]; then
 290 #     lnf -T /i/Videos ~/Downloads
 291 # fi
 292
 293 if has_p; then
 294     # for dovecot
 295     lnf -T /i/k/mboxes ~/mail
 296 fi
 297
 298
 299 # basic needed packages
 300 case $(distro-name) in
 301     debian)
 302         if has_x; then
 303             if isdebian-stable; then
 304                 pi firefox/$codename-backports
 305             else
 306                 # for a while, firefox/unstable did not have
 307                 # dependencies satisfied by testing packages, and i hit
 308                 # a conflict, it wanted a newer libfontconfig1, but
 309                 # emacs build-deps wanted an older one. In this case,
 310                 # I switch to using firefox-esr. note: They seem
 311                 # to release a new esr version every 9 months or so.
 312                 pi firefox/unstable
 313             fi
 314         fi
 315         # for hosts which require nonfree drivers
 316         # i previously had extra packages listed here linux-image-amd64
 317         # firmware-linux-free linux-headers-amd64, but I
 318         # don\'t see any reason why. seems to work in testing without.
 319         # remove this note if it continues to work.
 320         p=firmware-linux-nonfree
 321         if apt-cache show $p &>/dev/null; then
 322             pi $p
 323         fi
 324         ;;&
 325     ubuntu|debian)
 326         if has_x; then
 327             if isdebian-stable; then
 328                 pi xmacro
 329             else
 330                 pi xmacro/unstable # has no unstable deps
 331             fi
 332             pi gtk-redshift xinput
 333         fi
 334         ;;&
 335     fedora)
 336         p -y groupinstall development-tools c-development books admin-tools
 337         pi wget man-pages
 338         if has_x; then
 339             pi redshift-gtk
 340             # debian has this package patched to work, upstream is dead
 341             # tried using alien, pi alien, alien -r *.deb, rpm -Uhv *.rpm, got this error, so fuck it
 342             # 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
 343             # http://packages.debian.org/source/sid/xmacro
 344             pi patch libXtst-devel
 345             cd $(mktemp -d)
 346             wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911.orig.tar.gz
 347             wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911-6.diff.gz
 348             ex *.gz
 349             patch -p0 < xmacro_0.3pre-20000911-6.diff
 350             cd xmacro-0.3pre-20000911.orig
 351             make
 352             sleep 1 # not sure why the following command couldn\'t find, so trying this
 353             # no make install target
 354             s cp -f xmacroplay xmacrorec xmacrorec2 /usr/local/bin
 355         fi
 356         ;;&
 357     arch)
 358         # like apt-cache
 359         pi pkgfile
 360         s pkgfile --update
 361         if has_x; then
 362             # libxtst is missing dep https://aur.archlinux.org/packages/xmacro/#news
 363             pi xorg-server redshift xorg-xinput libxtst xmacro
 364
 365             # background:
 366             # https://aur.archlinux.org/packages/xkbset/#comment-545419
 367             cert=$(mktemp)
 368             cat >$cert <<'EOF'
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 419 -----END CERTIFICATE-----
 420 -----BEGIN CERTIFICATE-----
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 452 OjplXuXE0OPa0utaKC25Aplgom88L2Z8mEWcyfoB7zKOfD759AN7JKZWCYwk
 453 -----END CERTIFICATE-----
 454 -----BEGIN CERTIFICATE-----
 455 MIIF3jCCA8agAwIBAgIQAf1tMPyjylGoG7xkDjUDLTANBgkqhkiG9w0BAQwFADCB
 456 iDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0pl
 457 cnNleSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNV
 458 BAMTJVVTRVJUcnVzdCBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTAw
 459 MjAxMDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCBiDELMAkGA1UEBhMCVVMxEzARBgNV
 460 BAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0plcnNleSBDaXR5MR4wHAYDVQQKExVU
 461 aGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNVBAMTJVVTRVJUcnVzdCBSU0EgQ2Vy
 462 dGlmaWNhdGlvbiBBdXRob3JpdHkwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK
 463 AoICAQCAEmUXNg7D2wiz0KxXDXbtzSfTTK1Qg2HiqiBNCS1kCdzOiZ/MPans9s/B
 464 3PHTsdZ7NygRK0faOca8Ohm0X6a9fZ2jY0K2dvKpOyuR+OJv0OwWIJAJPuLodMkY
 465 tJHUYmTbf6MG8YgYapAiPLz+E/CHFHv25B+O1ORRxhFnRghRy4YUVD+8M/5+bJz/
 466 Fp0YvVGONaanZshyZ9shZrHUm3gDwFA66Mzw3LyeTP6vBZY1H1dat//O+T23LLb2
 467 VN3I5xI6Ta5MirdcmrS3ID3KfyI0rn47aGYBROcBTkZTmzNg95S+UzeQc0PzMsNT
 468 79uq/nROacdrjGCT3sTHDN/hMq7MkztReJVni+49Vv4M0GkPGw/zJSZrM233bkf6
 469 c0Plfg6lZrEpfDKEY1WJxA3Bk1QwGROs0303p+tdOmw1XNtB1xLaqUkL39iAigmT
 470 Yo61Zs8liM2EuLE/pDkP2QKe6xJMlXzzawWpXhaDzLhn4ugTncxbgtNMs+1b/97l
 471 c6wjOy0AvzVVdAlJ2ElYGn+SNuZRkg7zJn0cTRe8yexDJtC/QV9AqURE9JnnV4ee
 472 UB9XVKg+/XRjL7FQZQnmWEIuQxpMtPAlR1n6BB6T1CZGSlCBst6+eLf8ZxXhyVeE
 473 Hg9j1uliutZfVS7qXMYoCAQlObgOK6nyTJccBz8NUvXt7y+CDwIDAQABo0IwQDAd
 474 BgNVHQ4EFgQUU3m/WqorSs9UgOHYm8Cd8rIDZsswDgYDVR0PAQH/BAQDAgEGMA8G
 475 A1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQEMBQADggIBAFzUfA3P9wF9QZllDHPF
 476 Up/L+M+ZBn8b2kMVn54CVVeWFPFSPCeHlCjtHzoBN6J2/FNQwISbxmtOuowhT6KO
 477 VWKR82kV2LyI48SqC/3vqOlLVSoGIG1VeCkZ7l8wXEskEVX/JJpuXior7gtNn3/3
 478 ATiUFJVDBwn7YKnuHKsSjKCaXqeYalltiz8I+8jRRa8YFWSQEg9zKC7F4iRO/Fjs
 479 8PRF/iKz6y+O0tlFYQXBl2+odnKPi4w2r78NBc5xjeambx9spnFixdjQg3IM8WcR
 480 iQycE0xyNN+81XHfqnHd4blsjDwSXWXavVcStkNr/+XeTWYRUc+ZruwXtuhxkYze
 481 Sf7dNXGiFSeUHM9h4ya7b6NnJSFd5t0dCy5oGzuCr+yDZ4XUmFF0sbmZgIn/f3gZ
 482 XHlKYC6SQK5MNyosycdiyA5d9zZbyuAlJQG03RoHnHcAP9Dc1ew91Pq7P8yF1m9/
 483 qS3fuQL39ZeatTXaw2ewh0qpKJ4jjv9cJ2vhsE/zB+4ALtRZh8tSQZXq9EfX7mRB
 484 VXyNWQKV3WKdwrnuWih0hKWbt5DHDAff9Yk2dDLWKMGwsAvgnEzDHNb842m1R0aB
 485 L6KCq9NjRHDEjf8tM7qtj3u1cIiuPhnPQCjY/MiQu12ZIvVS5ljFH4gxQ+6IHdfG
 486 jjxDah2nGN59PRbxYvnKkKj9
 487 -----END CERTIFICATE-----
 488 EOF
 489             cat /etc/ssl/certs/ca-certificates.crt >> $cert
 490             CURL_CA_BUNDLE=$cert pi xkbset
 491         fi
 492
 493         ;;&
 494     ubuntu|debian|fedora)
 495         if has_x; then
 496             if isdebian-stable; then
 497                 pi xkbset
 498             else
 499                 # xkbset was in testing for quite a while, dunno
 500                 # why it\'s not anymore. Sometime I should check and
 501                 # see if it\'s back in testing, but the unstable package
 502                 # doesn\'t upgrade anything form testing, and it\'s tiny
 503                 # so I\'m not bothering to automate it.
 504                 pi xkbset/unstable
 505             fi
 506         fi
 507         ;;&
 508 esac
 509
 510 if has_x; then
 511     pi xbindkeys
 512 fi
 513 pi cryptsetup lvm2
 514 # enables trim for volume delete, other rare commands.
 515 sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 516
 517 if encrypted; then
 518     if isdeb; then
 519         sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 520     fi
 521     # does weekly trim
 522     sudo systemctl enable fstrim.timer
 523 fi
 524
 525 dirs=(/mnt/{1,2,3,4,5,6,7,8,9})
 526 s mkdir -p "${dirs[@]}"
 527 s chown ian:ian  "${dirs[@]}"
 528
 529
 530 tu /etc/fstab <<'EOF'
 531 /i/w  /w  none  bind,noauto  0 0
 532 /i/k  /k  none  bind,noauto  0 0
 533 EOF
 534
 535
 536 if ! mountpoint /kr; then
 537     s mkdir -p /kr
 538     s chown ian:traci /kr
 539 fi
 540
 541 if home_network; then
 542     if [[ $HOSTNAME == treetowl ]]; then
 543         tu /etc/fstab <<'EOF'
 544 /k  /kr  none  bind,noauto  0 0
 545 EOF
 546     else
 547         tu /etc/fstab <<'EOF'
 548 treetowl:/k  /kr  nfs  noauto  0 0
 549 EOF
 550     fi
 551 fi
 552
 553 s mkdir -p /q /i/{w,k}
 554 for dir in /{i,w,k}; do
 555     if mountpoint $dir; then continue; fi # already mounted
 556     s mkdir -p $dir
 557     s chown ian:ian $dir
 558 done
 559
 560 # not needed for all hosts, but rather just keep it uniform
 561 s mkdir -p /mnt/iroot
 562
 563 # debian auto mounting of multi-disk encrypted btrfs is busted.  It is
 564 # in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
 565 # based on 3 of those, it creates .device units for /dev/mapper/dev...
 566 # then waits endlessly for them on bootup, after the /dev/mapper disks
 567 # have already been created and exist. todo: create a simple repro
 568 # for this in a vm and report it upstream.
 569 if has_btrfs || home_network; then
 570     pi nfs-common
 571     s dd of=/root/imount <<'EOF'
 572 #!/bin/bash
 573 [[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
 574 set -eE -o pipefail
 575 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 576 for dir in /i /mnt/iroot /k /kr /w; do
 577     if ! mountpoint $dir &>/dev/null && \
 578             awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
 579         if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
 580             mount $dir || echo "warning: failed to mount nfs on $dir"
 581         else
 582             mount $dir
 583         fi
 584     fi
 585 done
 586 EOF
 587     s chmod +x /root/imount
 588
 589     s dd of=/etc/systemd/system/imount.service <<'EOF'
 590 [Unit]
 591 Description=Mount /i and related mountpoints
 592
 593 [Service]
 594 Type=oneshot
 595 ExecStart=/root/imount
 596
 597 [Install]
 598 # note /kr needs networking, this target is the simplest way to
 599 # time it when the network should be up, but not do something
 600 # dumb like delay startup until the network is up. It happens
 601 # at some time after network.target
 602 WantedBy=multi-user.target
 603 EOF
 604     sudo systemctl daemon-reload # needed if the file was already there
 605     sudo systemctl enable imount.service
 606     sudo systemctl start imount.service
 607 fi
 608
 609 dir=/nocow
 610 if has_btrfs; then
 611     if ! mountpoint $dir; then
 612         subvol=/mnt/root/nocow
 613         if [[ ! -e $subvol ]]; then
 614             s btrfs subvolume create $subvol
 615             s chown root:1000 $subvol
 616             s chattr +C $subvol
 617         fi
 618
 619         first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
 620         tu /etc/fstab <<EOF
 621 $first_root_crypt  /nocow  btrfs  noatime,subvol=nocow  0 0
 622 EOF
 623         s mkdir -p $dir
 624         s chown ian:ian $dir
 625         s mount $dir
 626     fi
 627 else
 628     sudo mkdir -p $dir
 629 fi
 630
 631 # ssh and probably some other things care about parent directory
 632 # ownership, and ssh doesn\'t allow any group writable parent
 633 # directories, so we are forced to use a directory structure similar
 634 # to home directories
 635 s chown root:ian /q
 636 s chmod 755 /q
 637
 638
 639 #  it comes with stretch and arch, but not jessie.
 640 # propogate /etc/udev/hwdb.d
 641 if which systemd-hwdb; then
 642     s systemd-hwdb update
 643     ser restart systemd-udev-trigger
 644 fi
 645
 646
 647 if isdeb; then
 648     # I\'ve had problems with postfix on debian:
 649     # on stretch, a startup ordering issue caused all mail to fail.
 650     # postfix changed defaults to only use ipv6 dns, causing all my mail to fail.
 651     # exim4 is default on debian, so I assume it would
 652     # be packaged better to avoid these types of things.
 653     # I haven\'t gotten around to getting a non-debian exim
 654     # setup.
 655     mail-setup exim4
 656 else
 657     mail-setup postfix
 658 fi
 659
 660 if isubuntu; then
 661     # disable crash report annoying crap
 662     s dd of=/etc/default/apport <<<'enabled=0'
 663 fi
 664
 665 # fai sets this an old way that doesn't work for stretch.
 666 # no harm in setting it universally here.
 667 # using debconf-set-selection, the area gets reset to ETC
 668 # on my linode test machine after doing a dpkg-reconfigure, or a reinstall,
 669 # so we are using expect :(
 670 # I got a random error when running this, so I added a sleep
 671 # rather than trying to write a whole detect and wait loop.
 672 # E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
 673 # E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
 674 sleep 1
 675 s apt-get -y install --no-install-recommends expect
 676 s expect <<EOF
 677 set force_conservative 0
 678 spawn dpkg-reconfigure tzdata -freadline
 679 expect -nocase timeout {exit 1} "Geographic area:"
 680 send "12\r"
 681 expect -nocase timeout {exit 1} "Time zone:"
 682 send "11\r"
 683 expect eof
 684 exit
 685 EOF
 686
 687
 688 if has_x; then
 689     if isarch; then
 690         # install so it's build dependencies don't get removed.
 691
 692         # emacs git build is currently broken
 693         if false; then
 694             x=$(mktemp -d)
 695             pushd $x
 696             aurex emacs-git
 697             makepkg -si --noconfirm
 698             popd
 699             rm -rf $x
 700         else
 701             pi emacs
 702         fi
 703         pi hunspell hunspell-en
 704     else
 705         if $recompile; then
 706             /a/bin/buildscripts/emacs
 707         else
 708             /a/bin/buildscripts/emacs --no-r || /a/bin/buildscripts/emacs
 709         fi
 710     fi
 711
 712     # todo, figure this out for arch if we ever try out gnome.
 713     if ! isarch; then
 714         # install for multiple display managers in case we use one
 715         if isdeb; then
 716             dir=/etc/gdm3
 717         elif isfedora; then
 718             # fedora didn\'t have the 3.
 719             dir=/etc/gdm
 720         fi
 721         s mkdir -p $dir/PostLogin
 722         s command cp /a/bin/distro-setup/desktop-20-autostart.sh $dir/PostLogin/Default
 723         s mkdir /etc/lightdm/lightdm.conf.d
 724         s dd of=/etc/lightdm/lightdm.conf.d/12-ian.conf <<'EOF'
 725 [SeatDefaults]
 726 session-setup-script=/a/bin/distro-setup/desktop-20-autostart.sh
 727 EOF
 728     fi
 729
 730
 731     pi ghc sakura
 732     # todo, also note for work comp, scp opt/org-mode bin/build-scripts
 733
 734     # use the package manger version to install the cabal version
 735     pi cabal-install
 736     cabal update
 737     PATH="$PATH:$HOME/.cabal/bin"
 738
 739     # todo, on older ubuntu I used cabal xmonad + xfce,
 740     # see /a/bin/old-unused/xmonad-cabal.sh
 741
 742     # trying out the distros versions newer distros
 743     pi xmonad
 744     if isarch; then
 745         # for displaying error messages.
 746         # optional dependency in arch, standard elsewhere.
 747         pi xorg-xmessage xmonad-contrib xorg-xsetroot xorg-xinit
 748
 749         # https://wiki.archlinux.org/index.php/Xinitrc
 750         for homedir in /home/*; do
 751             cp /etc/X11/xinit/xinitrc $homedir/.xinitrc
 752             $sed -ri '/^ *twm\b/,$d' $homedir/.xinitrc
 753             tee -a $homedir/.xinitrc <<'EOF'
 754 /a/bin/desktop-20-autostart.sh
 755 xsetroot -cursor_name left_ptr
 756 exec xmonad
 757 EOF
 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/ mod, so rerun this
 770 /a/exe/ssh-emacs-setup
 771 echo "$0: $(date): ending now"