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 "$0: running as root. exiting now that users are setup"
 185     exit 0
 186 fi
 187
 188
 189 #### begin link bashrc repo for all users ######
 190 for x in /a/c/repos/bash/!(.git|..|.); do
 191     lnf "$x" /home/ian
 192     sudo -u traci -i <<EOF
 193 PATH="/a/exe:$PATH"
 194 lnf "$x" /home/traci
 195 EOF
 196     sudo -i <<EOF
 197 PATH="/a/exe:$PATH"
 198 lnf $x /root
 199 EOF
 200 done
 201 #### end link bashrc repo for all users ######
 202
 203
 204 set +x
 205 errallow
 206 source ~/.bashrc
 207 $interactive || errcatch
 208 $interactive || set -x
 209
 210
 211 # passwordless sudo
 212 tu /etc/sudoers <<'EOF'
 213 ian  ALL=(ALL)  NOPASSWD: ALL
 214 Defaults  env_keep += SUDOD
 215 EOF
 216
 217
 218 # enable magic sysrq keys. debian docs say it is already enabled by default
 219 isfedora && tu /etc/sysctl.conf 'kernel.sysrq = 1'
 220
 221
 222 # this needs to be before installing pacserve so we have gpg conf.
 223 conflink
 224
 225 if isdebian; then
 226     codename=$(debian-codename)
 227     if isdebian-stable && has_x; then
 228         s dd of=/etc/apt/sources.list.d/mozilla-iceweasel.list <<EOF
 229 deb http://mozilla.debian.net/ $codename-backports firefox-release
 230 deb-src http://mozilla.debian.net/ $codename-backports firefox-release
 231 EOF
 232         p update
 233         # take care of mozilla signing errors in previous command
 234         pi pkg-mozilla-archive-keyring
 235         p update
 236     else
 237         :
 238         # this would change stable to testing, but I set that up already.
 239         # It\'s just a no-op if its already testing.
 240         # sudo sed -ri 's!^( *[^ #]+ +[^ ]+ +)[[:alpha:]]+(.*)!\1testing\2!' /etc/apt/sources.list
 241         p update
 242     fi
 243 fi
 244
 245 if isarch; then
 246     #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
 247     sudo pacman -S --noconfirm --needed base-devel jq
 248     # pacaur seems to be the best, although it + cower has a few minor bugs,
 249     # its design goals seem good, so, going for it.
 250
 251     aurpi() {
 252         for p in "$@"; do
 253             tempdir=$(mktemp -d)
 254             pushd $tempdir
 255             aurex "$p"
 256             makepkg -sri --skippgpcheck --noconfirm
 257             popd
 258             rm -rf $tempdir
 259         done
 260     }
 261     aurpi cower pacaur
 262
 263     pi pacserve
 264
 265     x=$(mktemp); /usr/bin/pacman.conf-insert_pacserve >$x
 266     sudo dd of=/etc/pacman.conf if=$x; rm $x
 267     sudo systemctl enable pacserve.service
 268     sudo systemctl start pacserve.service
 269
 270     # strange error if just installing trash-cli: "pyalpm requires python",
 271     # so I see that it requires python2, and installing that manually fixes it.
 272     # I didn't see this on earlier installation, main thing which changed was
 273     # pacserve, so not sure if it's related.
 274     pi python2
 275 fi
 276
 277 pup
 278 pi trash-cli
 279
 280
 281 ###### link files ###########
 282 # convenient to just do all file linking in one place
 283
 284 # if it wasn't set already, we could set hostname here
 285 #echo treetowl | s dd of=/etc/hostname
 286 #s hostname -F /etc/hostname
 287 #HOSTNAME=$(hostname)
 288
 289
 290 s lnf -T /a/bin /b
 291
 292 if has_p; then
 293     lnf -T /p/offlineimap ~/Maildir
 294     lnf -T /p/News ~/News
 295     # don't use /* because I don't want to require it to be mounted
 296 fi
 297
 298 s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
 299   /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
 300
 301 rootsshsync
 302
 303 s lnf /a/c/.inputrc /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
 304
 305 # machine is going away
 306 # if [[ $HOSTNAME == htpc ]]; then
 307 #     lnf -T /i/Videos ~/Downloads
 308 # fi
 309
 310 if has_p; then
 311     # for dovecot
 312     lnf -T /i/k/mboxes ~/mail
 313 fi
 314
 315
 316 # basic needed packages
 317 case $(distro-name) in
 318     debian)
 319         if has_x; then
 320             if isdebian-stable; then
 321                 pi firefox/$codename-backports
 322             else
 323                 # for a while, firefox/unstable did not have
 324                 # dependencies satisfied by testing packages, and i hit
 325                 # a conflict, it wanted a newer libfontconfig1, but
 326                 # emacs build-deps wanted an older one. In this case,
 327                 # I switch to using firefox-esr. note: They seem
 328                 # to release a new esr version every 9 months or so.
 329                 pi firefox/unstable
 330             fi
 331         fi
 332         # for hosts which require nonfree drivers
 333         # i previously had extra packages listed here linux-image-amd64
 334         # firmware-linux-free linux-headers-amd64, but I
 335         # don\'t see any reason why. seems to work in testing without.
 336         # remove this note if it continues to work.
 337         p=firmware-linux-nonfree
 338         if apt-cache show $p &>/dev/null; then
 339             pi $p
 340         fi
 341         ;;&
 342     ubuntu|debian)
 343         if has_x; then
 344             if isdebian-stable; then
 345                 pi xmacro
 346             else
 347                 pi xmacro/unstable # has no unstable deps
 348             fi
 349             pi gtk-redshift xinput
 350         fi
 351         ;;&
 352     fedora)
 353         p -y groupinstall development-tools c-development books admin-tools
 354         pi wget man-pages
 355         if has_x; then
 356             pi redshift-gtk
 357             # debian has this package patched to work, upstream is dead
 358             # tried using alien, pi alien, alien -r *.deb, rpm -Uhv *.rpm, got this error, so fuck it
 359             # 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
 360             # http://packages.debian.org/source/sid/xmacro
 361             pi patch libXtst-devel
 362             cd $(mktemp -d)
 363             wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911.orig.tar.gz
 364             wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911-6.diff.gz
 365             ex *.gz
 366             patch -p0 < xmacro_0.3pre-20000911-6.diff
 367             cd xmacro-0.3pre-20000911.orig
 368             make
 369             sleep 1 # not sure why the following command couldn\'t find, so trying this
 370             # no make install target
 371             s cp -f xmacroplay xmacrorec xmacrorec2 /usr/local/bin
 372         fi
 373         ;;&
 374     arch)
 375         # like apt-cache
 376         pi pkgfile
 377         s pkgfile --update
 378         if has_x; then
 379             # libxtst is missing dep https://aur.archlinux.org/packages/xmacro/#news
 380             pi xorg-server redshift xorg-xinput libxtst xmacro
 381
 382             # background:
 383             # https://aur.archlinux.org/packages/xkbset/#comment-545419
 384             cert=$(mktemp)
 385             cat >$cert <<'EOF'
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 436 -----END CERTIFICATE-----
 437 -----BEGIN CERTIFICATE-----
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 465 Smyj4jWG3R7Z8TED9xNNCxGBMXnMete+3PvzdhssvbORDwBZByogQ9xL2LUZFI/i
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 467 nrNxHzu+AGOePV8hwrGGG7hOIcPDQwkuYwzN/xT29iLp/cqf9ZhEtkGcQcIImH3b
 468 oJ8ifsCnSbu0GB9L06Yqh7lcyvKDTEADslIaeSEINxhO2Y1fmcYFX/Fqrrp1WnhH
 469 OjplXuXE0OPa0utaKC25Aplgom88L2Z8mEWcyfoB7zKOfD759AN7JKZWCYwk
 470 -----END CERTIFICATE-----
 471 -----BEGIN CERTIFICATE-----
 472 MIIF3jCCA8agAwIBAgIQAf1tMPyjylGoG7xkDjUDLTANBgkqhkiG9w0BAQwFADCB
 473 iDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0pl
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 475 BAMTJVVTRVJUcnVzdCBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTAw
 476 MjAxMDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCBiDELMAkGA1UEBhMCVVMxEzARBgNV
 477 BAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0plcnNleSBDaXR5MR4wHAYDVQQKExVU
 478 aGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNVBAMTJVVTRVJUcnVzdCBSU0EgQ2Vy
 479 dGlmaWNhdGlvbiBBdXRob3JpdHkwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK
 480 AoICAQCAEmUXNg7D2wiz0KxXDXbtzSfTTK1Qg2HiqiBNCS1kCdzOiZ/MPans9s/B
 481 3PHTsdZ7NygRK0faOca8Ohm0X6a9fZ2jY0K2dvKpOyuR+OJv0OwWIJAJPuLodMkY
 482 tJHUYmTbf6MG8YgYapAiPLz+E/CHFHv25B+O1ORRxhFnRghRy4YUVD+8M/5+bJz/
 483 Fp0YvVGONaanZshyZ9shZrHUm3gDwFA66Mzw3LyeTP6vBZY1H1dat//O+T23LLb2
 484 VN3I5xI6Ta5MirdcmrS3ID3KfyI0rn47aGYBROcBTkZTmzNg95S+UzeQc0PzMsNT
 485 79uq/nROacdrjGCT3sTHDN/hMq7MkztReJVni+49Vv4M0GkPGw/zJSZrM233bkf6
 486 c0Plfg6lZrEpfDKEY1WJxA3Bk1QwGROs0303p+tdOmw1XNtB1xLaqUkL39iAigmT
 487 Yo61Zs8liM2EuLE/pDkP2QKe6xJMlXzzawWpXhaDzLhn4ugTncxbgtNMs+1b/97l
 488 c6wjOy0AvzVVdAlJ2ElYGn+SNuZRkg7zJn0cTRe8yexDJtC/QV9AqURE9JnnV4ee
 489 UB9XVKg+/XRjL7FQZQnmWEIuQxpMtPAlR1n6BB6T1CZGSlCBst6+eLf8ZxXhyVeE
 490 Hg9j1uliutZfVS7qXMYoCAQlObgOK6nyTJccBz8NUvXt7y+CDwIDAQABo0IwQDAd
 491 BgNVHQ4EFgQUU3m/WqorSs9UgOHYm8Cd8rIDZsswDgYDVR0PAQH/BAQDAgEGMA8G
 492 A1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQEMBQADggIBAFzUfA3P9wF9QZllDHPF
 493 Up/L+M+ZBn8b2kMVn54CVVeWFPFSPCeHlCjtHzoBN6J2/FNQwISbxmtOuowhT6KO
 494 VWKR82kV2LyI48SqC/3vqOlLVSoGIG1VeCkZ7l8wXEskEVX/JJpuXior7gtNn3/3
 495 ATiUFJVDBwn7YKnuHKsSjKCaXqeYalltiz8I+8jRRa8YFWSQEg9zKC7F4iRO/Fjs
 496 8PRF/iKz6y+O0tlFYQXBl2+odnKPi4w2r78NBc5xjeambx9spnFixdjQg3IM8WcR
 497 iQycE0xyNN+81XHfqnHd4blsjDwSXWXavVcStkNr/+XeTWYRUc+ZruwXtuhxkYze
 498 Sf7dNXGiFSeUHM9h4ya7b6NnJSFd5t0dCy5oGzuCr+yDZ4XUmFF0sbmZgIn/f3gZ
 499 XHlKYC6SQK5MNyosycdiyA5d9zZbyuAlJQG03RoHnHcAP9Dc1ew91Pq7P8yF1m9/
 500 qS3fuQL39ZeatTXaw2ewh0qpKJ4jjv9cJ2vhsE/zB+4ALtRZh8tSQZXq9EfX7mRB
 501 VXyNWQKV3WKdwrnuWih0hKWbt5DHDAff9Yk2dDLWKMGwsAvgnEzDHNb842m1R0aB
 502 L6KCq9NjRHDEjf8tM7qtj3u1cIiuPhnPQCjY/MiQu12ZIvVS5ljFH4gxQ+6IHdfG
 503 jjxDah2nGN59PRbxYvnKkKj9
 504 -----END CERTIFICATE-----
 505 EOF
 506             cat /etc/ssl/certs/ca-certificates.crt >> $cert
 507             CURL_CA_BUNDLE=$cert pi xkbset
 508         fi
 509
 510         ;;&
 511     ubuntu|debian|fedora)
 512         if has_x; then
 513             if isdebian-stable; then
 514                 pi xkbset
 515             else
 516                 # xkbset was in testing for quite a while, dunno
 517                 # why it\'s not anymore. Sometime I should check and
 518                 # see if it\'s back in testing, but the unstable package
 519                 # doesn\'t upgrade anything form testing, and it\'s tiny
 520                 # so I\'m not bothering to automate it.
 521                 pi xkbset/unstable
 522             fi
 523         fi
 524         ;;&
 525 esac
 526
 527 if has_x; then
 528     pi xbindkeys
 529 fi
 530 pi cryptsetup lvm2
 531 # enables trim for volume delete, other rare commands.
 532 sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
 533
 534 if encrypted; then
 535     if isdeb; then
 536         sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
 537     fi
 538     # does weekly trim
 539     sudo systemctl enable fstrim.timer
 540 fi
 541
 542 dirs=(/mnt/{1,2,3,4,5,6,7,8,9})
 543 s mkdir -p "${dirs[@]}"
 544 s chown ian:ian  "${dirs[@]}"
 545
 546
 547 tu /etc/fstab <<'EOF'
 548 /i/w  /w  none  bind,noauto  0 0
 549 /i/k  /k  none  bind,noauto  0 0
 550 EOF
 551
 552
 553 if ! mountpoint /kr; then
 554     s mkdir -p /kr
 555     s chown ian:traci /kr
 556 fi
 557
 558 if home_network; then
 559     if [[ $HOSTNAME == treetowl ]]; then
 560         tu /etc/fstab <<'EOF'
 561 /k  /kr  none  bind,noauto  0 0
 562 EOF
 563     else
 564         tu /etc/fstab <<'EOF'
 565 treetowl:/k  /kr  nfs  noauto  0 0
 566 EOF
 567     fi
 568 fi
 569
 570 s mkdir -p /q /i/{w,k}
 571 for dir in /{i,w,k}; do
 572     if mountpoint $dir; then continue; fi # already mounted
 573     s mkdir -p $dir
 574     s chown ian:ian $dir
 575 done
 576
 577 # not needed for all hosts, but rather just keep it uniform
 578 s mkdir -p /mnt/iroot
 579
 580 # debian auto mounting of multi-disk encrypted btrfs is busted.  It is
 581 # in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
 582 # based on 3 of those, it creates .device units for /dev/mapper/dev...
 583 # then waits endlessly for them on bootup, after the /dev/mapper disks
 584 # have already been created and exist. todo: create a simple repro
 585 # for this in a vm and report it upstream.
 586 if has_btrfs || home_network; then
 587     pi nfs-common
 588     s dd of=/root/imount <<'EOF'
 589 #!/bin/bash
 590 [[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
 591 set -eE -o pipefail
 592 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 593 for dir in /i /mnt/iroot /k /kr /w; do
 594     if ! mountpoint $dir &>/dev/null && \
 595             awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
 596         if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
 597             mount $dir || echo "warning: failed to mount nfs on $dir"
 598         else
 599             mount $dir
 600         fi
 601     fi
 602 done
 603 EOF
 604     s chmod +x /root/imount
 605
 606     s dd of=/etc/systemd/system/imount.service <<'EOF'
 607 [Unit]
 608 Description=Mount /i and related mountpoints
 609
 610 [Service]
 611 Type=oneshot
 612 ExecStart=/root/imount
 613
 614 [Install]
 615 # note /kr needs networking, this target is the simplest way to
 616 # time it when the network should be up, but not do something
 617 # dumb like delay startup until the network is up. It happens
 618 # at some time after network.target
 619 WantedBy=multi-user.target
 620 EOF
 621     sudo systemctl daemon-reload # needed if the file was already there
 622     sudo systemctl enable imount.service
 623     sudo systemctl start imount.service
 624 fi
 625
 626 dir=/nocow
 627 if has_btrfs; then
 628     if ! mountpoint $dir; then
 629         subvol=/mnt/root/nocow
 630         if [[ ! -e $subvol ]]; then
 631             s btrfs subvolume create $subvol
 632             s chown root:1000 $subvol
 633             s chattr +C $subvol
 634         fi
 635
 636         first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
 637         tu /etc/fstab <<EOF
 638 $first_root_crypt  /nocow  btrfs  noatime,subvol=nocow  0 0
 639 EOF
 640         s mkdir -p $dir
 641         s chown ian:ian $dir
 642         s mount $dir
 643     fi
 644 else
 645     sudo mkdir -p $dir
 646 fi
 647
 648 # ssh and probably some other things care about parent directory
 649 # ownership, and ssh doesn\'t allow any group writable parent
 650 # directories, so we are forced to use a directory structure similar
 651 # to home directories
 652 s chown root:ian /q
 653 s chmod 755 /q
 654
 655
 656 #  it comes with stretch and arch, but not jessie.
 657 # propogate /etc/udev/hwdb.d
 658 if which systemd-hwdb; then
 659     s systemd-hwdb update
 660     ser restart systemd-udev-trigger
 661 fi
 662
 663 # work desktop doesnt need gpg stuff, but it doesnt hurt
 664 s dd of=/etc/profile.d/environment.sh <<'EOF'
 665 # IAN: EDIT THIS FROM /a/bin/distro-setup/distro-begin
 666 export ACME_TINY_WRAPPER_CERT_DIR=/p/c/machine_specific/$HOSTNAME/webservercerts
 667
 668 if [ -f $HOME/path_add-function ]; then
 669     . $HOME/path_add-function
 670     path_add /usr/sbin /usr/local/sbin /sbin
 671     path_add /a/exe /a/opt/bin $HOME/.cabal/bin
 672
 673     if [ -r /etc/alternatives/java_sdk ]; then
 674         export JAVA_HOME=/etc/alternatives/java_sdk
 675         path_add /etc/alternatives/java_sdk
 676     fi
 677 fi
 678
 679 export EDITOR="emacsclient"
 680 # this makes emacsclient file/-c start a server instance if none is running,
 681 # instead of some alternate editor logic
 682 export ALTERNATE_EDITOR=""
 683
 684 # ubuntu starts gpg agent automatically with  /etc/X11/Xsession.d/90gpg-agent.
 685 # fedora doesn't, which left me to figure this out, and google was no help.
 686 # fedora documentation is often quite bad :(
 687 # This is mostly copied from that file.
 688 # Main difference is that we eval the result of starting gpg-agent,
 689 # while that file executes it through xsession specific var.
 690 # Also make sourcing the pidfile make more sense.
 691 # End result should be the same afaik.
 692 # for gpg-agent to work when calling gpg from the command line,
 693 # we need an environment variable that is setup via the eval.
 694 # which is why we do this upon login, so it can propogate
 695 # It is also written to the file $HOME/.gnupg/gpg-agent-info-$(hostname)
 696 # I'm not aware if that is ever used, but just fyi.
 697 # I also added the bit about xmessaging the stderr,
 698 # because I'd like to know if the command fails
 699 if [ -f /etc/fedora-release ]; then
 700     : ${GNUPGHOME=$HOME/.gnupg}
 701
 702     GPGAGENT=/usr/bin/gpg-agent
 703     PID_FILE="$GNUPGHOME/gpg-agent-info-$(hostname)"
 704
 705     if ! $GPGAGENT 2>/dev/null; then
 706         temp="$(mktemp)"
 707         eval "$($GPGAGENT --homedir /p/do-not-delete --daemon --sh --write-env-file=$PID_FILE 2>$temp)"
 708         temperr="$(<"$temp")"
 709         [ -n "$temperr" ] && xmessage "gpg-agent stderr: $temperr"
 710     elif [ -r "$PID_FILE" ]; then
 711         . "$PID_FILE"
 712         export GPG_AGENT_INFO
 713     fi
 714 fi
 715
 716 # ubuntu has 002, debian has 022.
 717 # from what I've read, benefit of 002 makes shared groups read/write.
 718 # Security concern is where some unixes put everyone in a same group,
 719 # so if you copy files there with exact perms, that is probably not
 720 # what you want. I don't use a system like that, and I don't really care
 721 # either way, but I'd prefer
 722 # being able to sync file perms with ubuntu systems at work,
 723 # and it's easier to change the debian one.
 724
 725 umask 002
 726 EOF
 727
 728
 729 if isdeb; then
 730     # I\'ve had problems with postfix on debian:
 731     # on stretch, a startup ordering issue caused all mail to fail.
 732     # postfix changed defaults to only use ipv6 dns, causing all my mail to fail.
 733     # exim4 is default on debian, so I assume it would
 734     # be packaged better to avoid these types of things.
 735     # I haven\'t gotten around to getting a non-debian exim
 736     # setup.
 737     mail-setup exim4
 738 else
 739     mail-setup postfix
 740 fi
 741
 742 if isubuntu; then
 743     # disable crash report annoying crap
 744     s dd of=/etc/default/apport <<<'enabled=0'
 745 fi
 746
 747 # fai sets this an old way that doesn't work for stretch.
 748 # no harm in setting it universally here.
 749 # using debconf-set-selection, the area gets reset to ETC
 750 # on my linode test machine after doing a dpkg-reconfigure, or a reinstall,
 751 # so we are using expect :(
 752 # I got a random error when running this, so I added a sleep
 753 # rather than trying to write a whole detect and wait loop.
 754 # E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
 755 # E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
 756 sleep 1
 757 s apt-get -y install --no-install-recommends expect
 758 s expect <<EOF
 759 set force_conservative 0
 760 spawn dpkg-reconfigure tzdata -freadline
 761 expect -nocase timeout {exit 1} "Geographic area:"
 762 send "12\r"
 763 expect -nocase timeout {exit 1} "Time zone:"
 764 send "11\r"
 765 expect eof
 766 exit
 767 EOF
 768
 769
 770 if has_x; then
 771     if isarch; then
 772         # install so it's build dependencies don't get removed.
 773
 774         # emacs git build is currently broken
 775         if false; then
 776             x=$(mktemp -d)
 777             pushd $x
 778             aurex emacs-git
 779             makepkg -si --noconfirm
 780             popd
 781             rm -rf $x
 782         else
 783             pi emacs
 784         fi
 785         pi hunspell hunspell-en
 786     else
 787         if $recompile; then
 788             /a/bin/buildscripts/emacs
 789         else
 790             /a/bin/buildscripts/emacs --no-r || /a/bin/buildscripts/emacs
 791         fi
 792     fi
 793
 794     # todo, figure this out for arch if we ever try out gnome.
 795     if ! isarch; then
 796         # install for multiple display managers in case we use one
 797         if isdeb; then
 798             dir=/etc/gdm3
 799         elif isfedora; then
 800             # fedora didn\'t have the 3.
 801             dir=/etc/gdm
 802         fi
 803         s mkdir -p $dir/PostLogin
 804         s command cp /a/bin/distro-setup/desktop-20-autostart.sh $dir/PostLogin/Default
 805         s mkdir /etc/lightdm/lightdm.conf.d
 806         s dd of=/etc/lightdm/lightdm.conf.d/12-ian.conf <<'EOF'
 807 [SeatDefaults]
 808 session-setup-script=/a/bin/distro-setup/desktop-20-autostart.sh
 809 EOF
 810     fi
 811
 812
 813     pi ghc sakura
 814     # todo, also note for work comp, scp opt/org-mode bin/build-scripts
 815
 816     # use the package manger version to install the cabal version
 817     pi cabal-install
 818     cabal update
 819     PATH="$PATH:$HOME/.cabal/bin"
 820
 821     # todo, on older ubuntu I used cabal xmonad + xfce,
 822     # see /a/bin/old-unused/xmonad-cabal.sh
 823
 824     # trying out the distros versions newer distros
 825     pi xmonad
 826     if isarch; then
 827         # for displaying error messages.
 828         # optional dependency in arch, standard elsewhere.
 829         pi xorg-xmessage xmonad-contrib xorg-xsetroot xorg-xinit
 830
 831         # https://wiki.archlinux.org/index.php/Xinitrc
 832         for homedir in /home/*; do
 833             cp /etc/X11/xinit/xinitrc $homedir/.xinitrc
 834             $sed -ri '/^ *twm\b/,$d' $homedir/.xinitrc
 835             tee -a $homedir/.xinitrc <<'EOF'
 836 /a/bin/desktop-20-autostart.sh
 837 xsetroot -cursor_name left_ptr
 838 exec xmonad
 839 EOF
 840         done
 841     else
 842         pi suckless-tools
 843     fi
 844     pi dmenu
 845
 846     if isdeb && (tp || x2); then
 847         pi task-laptop
 848     fi
 849 fi
 850
 851 # the first pup command can kill off our /etc/ mod, so rerun this
 852 /a/exe/ssh-emacs-setup
 853 echo "$0: $(date): ending now"