X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=distro-begin;h=ec39e9d1160a610c10fa07ffd9ece72b38e62410;hb=ae54f4cd08815de501151c10083e74294609558a;hp=07b19b39023486e8ffb30116906b0965b45b494a;hpb=b31f99aa53d9bd0ef98d35c4468b34ce99ec900f;p=distro-setup
diff --git a/distro-begin b/distro-begin
index 07b19b3..ec39e9d 100755
--- a/distro-begin
+++ b/distro-begin
@@ -1,742 +1,611 @@
#!/bin/bash -l
# Copyright (C) 2016 Ian Kelling
-# This program is under GPL v. 3 or later, see
-
-# todo. dunno why, but original bootstrap of timezone is not sticking.
-# fixed manually with:
-# s dpkg-reconfigure tzdata
-
-
-# for bootstrapping a new machine
-
-# to make ssh run better, first run this:
-sudo bash -c 'source /a/c/repos/bash/.bashrc && source /a/bin/ssh-emacs-setup'
-
-
-# see t.org for OS installer notes
-
-# usage: $0 [OPTIONS] HOSTNAME
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# for setting up a new machine
+# usage: $0 [-r] HOSTNAME
# tips:
# run any sudo command first so your pass is cached
# set the scrollback to unlimited in case something goes wrong
-if [[ $EUID == 0 ]]; then
- echo "error: do not run as root"
- exit
-fi
-interactive=true # set this to true if running by hand in emacs
-[[ $- == *i* ]] || interactive=false
+####### begin setup environment #######
+
+### make ssh interactive shell run better. for when running line interactively line by line
+sudo bash -c 'source /a/c/.bashrc && source /a/exe/ssh-emacs-setup'
+##### setup error handling
+interactive=true # set this to false to force set -x
+[[ $- == *i* ]] || interactive=false
if ! $interactive; then
- set -x
- set -e -o pipefail
+ set -x
fi
-set -E
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
+source /a/bin/errhandle/err
+### setup logging
exec &> >(sudo tee -a /var/log/distro-begin)
echo "$0: $(date): starting now)"
-# headless=false # unused atm
-recompile=true
-# for copying to a new data fs
-bootstrapfs=false # old flag, needs new look before using.
+
+### sanity checking
+if [[ $EUID == 0 ]]; then
+ if getent passwd iank || getent passwd ian ; then
+ echo "$0: error: running as root. unprivileged user exists. use it."
+ exit 1
+ else
+ echo "$0: warning: running as root. I will setup users then exit"
+ fi
+fi
+
+
+### arg parsing
+recompile=false
while [[ $1 == -* ]]; do
- case $1 in
- # avoid some of the longer compilation steps,
- # when we need to rerun because we had an error
- -n) recompile=false; shift ;;
- esac
+ case $1 in
+ -r) recompile=true; shift ;;
+ esac
done
-
if [[ $1 ]]; then
- host=$1
-else
- host=$HOSTNAME
+ export HOSTNAME=$1
fi
-for f in iank-dev htpc treetowl x2 frodo tp; do
- eval "$f() { [[ $host == $f ]]; }"
-done
-has_p() { iank-dev || x2 || frodo; }
-encrypted() { has_p || tp; }
+##### variables/env setup
+script_dir="$(readlink -f "$BASH_SOURCE")"; script_dir=${script_dir%/*}
+source $script_dir/pkgs
+set +x
+source /a/bin/distro-functions/src/identify-distros
+$interactive || set -x
+for f in iank-dev htpc kd x2 x3 frodo tp li lj demohost kw fz; do
+ eval "$f() { [[ $HOSTNAME == $f ]]; }"
+done
+codename=$(debian-codename)
+has_wayland() { [[ $codename == buster ]]; }
+has_x() { [[ $codename != buster ]]; }
+has_monitor() { ! linode ; }
+linode() { lj || li; }
+has_btrfs() { ! linode; }
+home_network() { ! linode; }
+encrypted() { has_p; }
shopt -s extglob
export GLOBIGNORE=*/.:*/..
-umask 0002
+umask 022
+PATH="/a/exe:$PATH"
+sed="sed --follow-symlinks"
+
+####### end setup environment #######
-####### end command line parsing
+
+##### begin setup encryption scripts ######
if encrypted; then
- # I tried making a service which was dependent on reboot.target,
- # but it happened too late in the shutdown process.
- sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
+ # I tried making a service which was dependent on reboot.target,
+ # but it happened too late in the shutdown process.
+ sudo dd of=/etc/systemd/system/keyscripton.service <<'EOF'
[Unit]
Description=Turn on automatic decryption of drives on boot
# tried using graphical.target, but it made my display manager restart before rebooting.
# generally, I don't think targets order shutdown like they do startup.
# So, I did systemd-analyze plot > something.svg, and picked a reliably started
# service that happens late in the game.
-After=postfix.service
+After=ntp.service
DefaultDependencies=no
+# not sure if needed, makes sure we shut down before reboot.target
Conflicts=reboot.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/true
-ExecStop=/a/bin/keyscript-on
+ExecStop=/a/exe/keyscript-on
[Install]
WantedBy=keyscriptoff.service
EOF
- sudo systemctl daemon-reload # needed if the file was already there
- sudo systemctl stop keyscripton.service
- # sudo systemctl start keyscripton.service
- sudo systemctl enable keyscripton.service
+ sudo systemctl daemon-reload # needed if the file was already there
+ sudo systemctl stop keyscripton.service
+ # sudo systemctl start keyscripton.service
+ sudo systemctl enable keyscripton.service
- sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
+ sudo dd of=/etc/systemd/system/keyscriptoff.service <<'EOF'
[Unit]
Description=Turn off automatic decryption of drives on boot
[Service]
Type=oneshot
-ExecStart=/a/bin/keyscript-off
+ExecStart=/a/exe/keyscript-off
[Install]
WantedBy=multi-user.target
EOF
- sudo systemctl daemon-reload # needed if the file was already there
- sudo systemctl enable keyscriptoff.service
- sudo systemctl start keyscriptoff.service
-fi
-
-if iank-dev; then
- desktop=$(ssh root@iankelling.org grep desktop /etc/hosts | grep -o "^.* ")
- if $bootstrapfs; then
- # for bootstrapping at a new job:
- cp="scp $desktop:"
- # for moving to a new hd, change $cp to move between filesystems
- mkdir -p /a/bin
- chown -R ian:ian /a
- $cp/a/c /a
- $cp/a/c/bin/{bash-programs-by-ian,distro-begin,distro-functions,input-setup.sh} /a/bin
- echo -e \\n\\n\\n | ssh-keygen -t rsa
- fi
+ sudo systemctl daemon-reload # needed if the file was already there
+ sudo systemctl enable keyscriptoff.service
+ sudo systemctl start keyscriptoff.service
+
+ # from /usr/share/doc/dropbear-initramfs/README.initramfs.gz
+ while read m _; do /sbin/modinfo -F filename "$m"; done /lib/cryptsetup/passfifo
fi
+##### end setup encryption scripts ######
-# this script has been designed to be idempotent
-# todo, it would be nice to cut down on some of the output
-
-
-# output is below so shellcheck can verify sources
-for x in /a/bin/bash-programs-by-ian/repos/{errhandle,tee-unique,lnf}/*-function; do
- echo "# shellcheck source=$x";
- # shellcheck source=/a/bin/bash-programs-by-ian/repos/errhandle/bash-trace-function
- # shellcheck source=/a/bin/bash-programs-by-ian/repos/errhandle/errallow-function
- # shellcheck source=/a/bin/bash-programs-by-ian/repos/errhandle/errcatch-function
- # shellcheck source=/a/bin/bash-programs-by-ian/repos/errhandle/errexit-function
- # shellcheck source=/a/bin/bash-programs-by-ian/repos/tee-unique/teeu-function
- # shellcheck source=/a/bin/bash-programs-by-ian/repos/lnf/lnf-function
- source $x
-done
-
-
-set +e
-$interactive || errcatch
-source /a/bin/distro-functions/src/identify-distros
-echo path:$PATH
+# disabled until its fixed up
+# install-myqueue
+# todo, it would be nice to cut down on some of the output
+##### fedora prereq/fundamental settings
if isfedora; then
- # comment out line disallowing calling sudo in scripts
- sudo sed -i 's/^Defaults *requiretty/#\0 # ian commented/' /etc/sudoers
- # turn on magic sysrq commands for this boot cycle
- echo 1 > sudo dd of=/proc/sys/kernel/sysrq
- # selinux is not user friendly. Like, you enable samba, but you haven't run the magic selinux commands so it doesn't work
- # and you have no idea why.
- sudo sed -i 's/^\(SELINUX=\).*/\1disabled/' /etc/selinux/config
- selinuxenabled && sudo setenforce 0
+ # comment out line disallowing calling sudo in scripts
+ sudo $sed -i 's/^Defaults *requiretty/#\0 # ian commented/' /etc/sudoers
+ # turn on magic sysrq commands
+ echo 1 > sudo dd of=/proc/sys/kernel/sysrq
+ echo "kernel.sysrq = 1" > /etc/sysctl.d/90-sysrq.conf
+ # selinux is not user friendly. Like, you enable samba, but you haven't run the magic selinux commands so it doesn't work
+ # and you have no idea why.
+ sudo $sed -i 's/^\(SELINUX=\).*/\1disabled/' /etc/selinux/config
+ selinuxenabled && sudo setenforce 0
fi
+#### rerun my fai-time scripts
+# already ran for pxe installs, but used for vps & updates
+distro=$(distro-name)
+case $distro in
+ ubuntu|debian|trisquel)
+ sudo bash -c ". /a/bin/fai/fai-wrapper && /a/bin/fai/fai/config/scripts/GRUB_PC/11-iank"
+ ;;
+ *)
+ sudo bash -c ". /a/bin/fai/fai-wrapper &&
+/a/bin/fai/fai/config/distro-install-common/end"
+ ;;
+esac
+###### setup hostname
+sudo $sed -i '/^127\.0\.1\.1/d' /etc/hosts
+echo "127.0.1.1 $HOSTNAME.b8.nz $HOSTNAME" | sudo tee -a /etc/hosts
-# link files
+##### exit first stage if running as root
+if [[ $EUID == 0 ]]; then
+ echo "$0: running as root. exiting now that users are setup"
+ exit 0
+fi
-for x in /a/c/repos/bash/!(.git); do
- for homedir in /home/*; do
- sudo chown -R ian:ian $homedir
- lnf "$x" $homedir
- done
- sudo -i </dev/null || sudo groupadd -r bind
+fi
+# this needs to be before installing pacserve so we have gpg conf.
+conflink
+###### bash environment setup
set +x
-errallow
+err-allow
+source /etc/profile.d/environment.sh
source ~/.bashrc
-echo path:$PATH
-$interactive || errcatch
+err-catch
$interactive || set -x
-# passwordless sudo
-tu /etc/sudoers <<'EOF'
-ian ALL=(ALL) NOPASSWD: ALL
+#### setup passwordless sudo
+tu /etc/sudoers <$x
+ sudo dd of=/etc/pacman.conf if=$x; rm $x
+ sudo systemctl enable pacserve.service
+ sudo systemctl start pacserve.service
- p update
- # take care of mozilla signing errors in previous command
- pi pkg-mozilla-archive-keyring
- p update
- else
- :
- # this would change stable to testing, but I set that up already.
- # It\'s just a no-op if its already testing.
- # sudo sed -ri 's!^( *[^ #]+ +[^ ]+ +)[[:alpha:]]+(.*)!\1testing\2!' /etc/apt/sources.list
- p update
- fi
-fi
-
-if isarch; then
- #https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages
- sudo pacman -S --noconfirm --needed base-devel jq
- # pacaur seems to be the best, although it + cower has a few minor bugs,
- # its design goals seem good, so, going for it.
-
- aurpi() {
- for p in "$@"; do
- tempdir=$(mktemp -d)
- pushd $tempdir
- aurex "$p"
- makepkg -sri --skippgpcheck --noconfirm
- popd
- rm -rf $tempdir
- done
- }
- aurpi cower pacaur
-
- # for aur, automatically dl & add gpg keys.
- # Just the keyserver-options line goes in dirmngr.conf once
- # this bug is fixed: https://bugs.gnupg.org/gnupg/issue2147
- for homedir in /home/*; do
- # this creates ~/.gnupg. addgnupghome is kinda broken on arch.
- HOME=$homedir gpg -k
- teeu $homedir/.gnupg/gpg.conf <$x
- sudo dd of=/etc/pacman.conf if=$x; rm $x
- sudo systemctl enable pacserve.service
- sudo systemctl start pacserve.service
-
- # strange error if just installing trash-cli: "pyalpm requires python",
- # so I see that it requires python2, and installing that manually fixes it.
- # I didn't see this on earlier installation, main thing which changed was
- # pacserve, so not sure if it's related.
- pi python2
fi
+#### update all packages
pup
-pi trash-cli
-###### link files ###########
-# convenient to just do all file linking in one place
-
-s lnf /a/sdx{,d} /
-
-# if it wasn't set already, we could set hostname here
-#echo treetowl | s dd of=/etc/hostname
-#s hostname -F /etc/hostname
-#HOSTNAME=$(hostname)
+###### p1 packages install ######
+if isarch; then
+ # requirement for trash-cli.
+ # background: strange error if just installing trash-cli: "pyalpm requires python",
+ # so I see that it requires python2, and installing that manually fixes it.
+ # I didn\'t see this on earlier installation, main thing which changed was
+ # pacserve, so not sure if it\'s related.
+ pi python2
+fi
+pi ${p1[@]}
+
+
+######## fix evbug bug ######
+case $distro in
+ trisquel|ubuntu)
+ # noticed in flidas.
+ #https://bugs.launchpad.net/ubuntu/+source/module-init-tools/+bug/240553
+ #https://wiki.debian.org/KernelModuleBlacklisting
+ #common advice when searching is to use /etc/modprobe.d/blacklist.conf,
+ #but that file won't work and will get automatically reverted
+ sudo rmmod evbug ||: # might not be loaded yet
+ file=/etc/modprobe.d/evbug.conf
+ line="blacklist evbug"
+ if ! grep -xFq "$line" $file; then
+ sudo dd of=$file 2>/dev/null <<<"$line"
+ sudo depmod -a
+ sudo update-initramfs -u
+ fi
+ ;;
+esac
-#########################################
-# NOTE: only /a needs to be mounted for creating links!
-###########################################
-# todo: reconcile ~/.ssh/config work/home
-s lnf -T /q/p /p
+###### link files
+# convenient to just do all file linking in one place
+s lnf -T /a/bin /b
+s lnf -T /nocow/t /t
if has_p; then
- lnf -T /p/offlineimap ~/Maildir
- lnf -T /p/News ~/News
- # don't use /* because I don't want to require it to be mounted
- s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
- /a/opt /a/c/.emacs.d ~/.unison /root
+ lnf -T /p/News ~/News
+fi
+s lnf /q/root/.editor-backups /q/root/.undo-tree-history \
+ /a/opt /a/c/.emacs.d $HOME/mw_vars /k/backup /root
+pi rsync # needed for rootsshsync
+/a/bin/ds/install-my-scripts # needed for rootsshsync
+rootsshsync
+s lnf /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
+if has_p; then
+ # for dovecot
+ lnf -T /i/k/mboxes ~/mail
fi
-/a/bin/rootsshsync
-s lnf /a/c/.inputrc /a/c/.vim /a/c/.vimrc /a/c/.gvimrc /root
-# machine is going away
-# if [[ $HOSTNAME == htpc ]]; then
-# lnf -T /i/Videos ~/Downloads
-# fi
+##### install xinput
+if has_x; then
+ case $(distro-name) in
+ trisquel|ubuntu|debian)
+ pi xinput
+ ;;
+ fedora)
+ pi xinput_calibrator
+ ;;
+ arch)
+ pi xorg-xinput
+ ;;
+ esac
+
+ #### install redshift
+ case $(distro-name) in
+ trisquel|ubuntu|debian)
+ # recommends gets us geoclue (for darkening automatically at night i assume),
+ # which recommends modemmanager, which is annoying to fix for the model01 keyboard.
+ pi --no-install-recommends gtk-redshift
+ ;;&
+ fedora)
+ pi redshift-gtk
+ ;;&
+ arch)
+ pi redshift
+ ;;&
+ esac
+fi
-if has_p; then
- # for dovecot
- lnf -T /i/k/mboxes ~/mail
+if has_wayland; then
+ pi sway xwayland
+ # originally used xkbcomp, documented in input-setup.sh, this doesnt
+ # work under wayland, but its still useful for creating the config,
+ # then modifying the system files.
+ s sed -i.orig '/key * *{/,/}/s/KP_Multiply/underscore/g' /usr/share/X11/xkb/symbols/keypad
fi
-# basic needed packages
+
+#### arch specific early packages
case $(distro-name) in
- debian)
- pi firefox$( isdebian-stable && e /$code-backports )
- # for hosts which require nonfree drivers
- case $HOSTNAME in
- tp|x2) : ;;
- *) pi linux-image-amd64 firmware-linux-nonfree \
- firmware-linux-free linux-headers-amd64
- ;;
- esac
- ;;&
- ubuntu|debian)
- pi xmacro gtk-redshift xinput
- ;;&
- fedora)
- p -y groupinstall development-tools c-development books admin-tools
- pi redshift-gtk
- # debian has this package patched to work, upstream is dead
- # tried using alien, pi alien, alien -r *.deb, rpm -Uhv *.rpm, got this error, so fuck it
- # 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
- # http://packages.debian.org/source/sid/xmacro
- pi patch libXtst-devel wget man-pages # what is the ubuntu equivalent to man-pages?
- cd $(mktemp -d)
- wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911.orig.tar.gz
- wget http://ftp.de.debian.org/debian/pool/main/x/xmacro/xmacro_0.3pre-20000911-6.diff.gz
- ex *.gz
- patch -p0 < xmacro_0.3pre-20000911-6.diff
- cd xmacro-0.3pre-20000911.orig
- make
- sleep 1 # not sure why the following command couldn\'t find, so trying this
- # no make install target
- s cp -f xmacroplay xmacrorec xmacrorec2 /usr/local/bin
- ;;&
- arch)
- # libxtst is missing dep https://aur.archlinux.org/packages/xmacro/#news
- pi xorg-server redshift xorg-xinput pkgfile libxtst xmacro
- # like apt-cache
- s pkgfile --update
- ;;&
+ arch)
+ # pkgfile is like apt-cache
+ pi pkgfile
+ s pkgfile --update
+ ;;
esac
-# background:
-# https://aur.archlinux.org/packages/xkbset/#comment-545419
-cert=$(mktemp)
-cat >$cert <<'EOF'
------BEGIN CERTIFICATE-----
-MIIJADCCB+igAwIBAgIRAIVAhZ0TMbQ5jTm0koI8X6YwDQYJKoZIhvcNAQELBQAw
-djELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk1JMRIwEAYDVQQHEwlBbm4gQXJib3Ix
-EjAQBgNVBAoTCUludGVybmV0MjERMA8GA1UECxMISW5Db21tb24xHzAdBgNVBAMT
-FkluQ29tbW9uIFJTQSBTZXJ2ZXIgQ0EwHhcNMTUxMjA4MDAwMDAwWhcNMTgxMjA3
-MjM1OTU5WjCBsTELMAkGA1UEBhMCVVMxDjAMBgNVBBETBTY1MjExMREwDwYDVQQI
-EwhNaXNzb3VyaTERMA8GA1UEBxMIQ29sdW1iaWExHzAdBgNVBAkTFjExMDAgQ2Fy
-cmllIEZyYW5ja2UgRHIxHzAdBgNVBAoTFlVuaXZlcnNpdHkgb2YgTWlzc291cmkx
-CzAJBgNVBAsTAk1VMR0wGwYDVQQDExRmYWN1bHR5Lm1pc3NvdXJpLmVkdTCCASIw
-DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAN8Kap8hASpxQeqjHibGsCR1PBkh
-nW9p5FkuhGpMW/3ko8QfxH0W1Hq2y2DTFUmq17kH3GfT3h9a7HcmUrC3q15PciOB
-WR3j8u0bDfVppyAZXiHJzYGN7xHiPrZtFEGgwZd28+sW80WXTbGl+zKkmeZguGdH
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------BEGIN CERTIFICATE-----
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-EOF
-cat /etc/ssl/certs/ca-certificates.crt >> $cert
-CURL_CA_BUNDLE=$cert pi xkbset
-
-pi xbindkeys cryptsetup
-
-pi lvm2
-# enables trim for volume delete, other rare commands.
-sudo sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
+#### fedora specific packages
+case $(distro-name) in
+ fedora)
+ # todo, this could probably come later
+ p -y groupinstall development-tools c-development books admin-tools
+ pi man-pages
+ ;;
+ # other distros unknown
+esac
+#### enable trim
+# enable trim for volume delete, other rare commands
+sudo $sed -ri 's/( *issue_discards\b).*/\1 = 1/' /etc/lvm/lvm.conf
if encrypted; then
- if isdeb; then
- sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
- fi
- # does weekly trim
- sudo systemctl enable fstrim.timer
+ # flidas or so, these units arent built-in
+ if isdeb && ! systemctl list-unit-files | grep -xF fstrim.timer &>/dev/null ; then
+ sudo cp /usr/share/doc/util-linux/examples/fstrim.{service,timer} /etc/systemd/system
+ fi
+ # does weekly trim
+ sudo systemctl enable fstrim.timer
fi
-dirs=(/mnt/{1,2,3,4,5,6,7,8,9})
+##### make extra dirs
+dirs=(/mnt/{1,2,3,4,5,6,7,8,9} /nocow/t)
s mkdir -p "${dirs[@]}"
-s chown ian:ian "${dirs[@]}"
-
-if [[ $HOSTNAME == treetowl ]]; then
- tu /etc/fstab <<'EOF'
-UUID=3f7b31cd-f299-40b4-a86b-7604282e2715 /i btrfs noatime 0 2
-EOF
-else
- tu /etc/fstab <<'EOF'
-/q/i /i none bind 0 0
-EOF
-fi
+s chown $USER:$USER "${dirs[@]}"
+###### setup /i
tu /etc/fstab <<'EOF'
-/i/w /w none bind 0 0
-/i/k /k none bind 0 0
+/i/w /w none bind,noauto 0 0
+/i/k /k none bind,noauto 0 0
EOF
-
-if ! mountpoint /kfrodo; then
- s mkdir -p /kfrodo
- s chown ian:traci /kfrodo
+if ! mountpoint /kr; then
+ s mkdir -p /kr
+ s chown $USER:user2 /kr
fi
-if [[ $HOSTNAME == frodo ]]; then
+if home_network; then
+ if [[ $HOSTNAME == frodo ]]; then
tu /etc/fstab <<'EOF'
-/k /kfrodo none bind 0 0
+/k /kr none bind,noauto 0 0
EOF
-else
+ else
tu /etc/fstab <<'EOF'
-frodo:/k /kfrodo nfs defaults 0 0
+frodo:/k /kr nfs noauto 0 0
EOF
+ fi
fi
-
-for x in i w k; do
- s mount /$i || [[ $? == 32 ]] # 32 = already mounted
+s mkdir -p /q /i/{w,k}
+for dir in /{i,w,k}; do
+ if mountpoint $dir; then continue; fi # already mounted
+ s mkdir -p $dir
+ s chown $USER:$USER $dir
done
+# not needed for all hosts, but rather just keep it uniform
+s mkdir -p /mnt/iroot
+# debian auto mounting of multi-disk encrypted btrfs is busted. It is
+# in jessie, and in stretch as of 11/26/2016 I have 4 disks in cryptab,
+# based on 3 of those, it creates .device units for /dev/mapper/dev...
+# then waits endlessly for them on bootup, after the /dev/mapper disks
+# have already been created and exist. todo: create a simple repro
+# for this in a vm and report it upstream.
+if has_btrfs || home_network; then
+ pi nfs-common
+ s dd of=/root/imount <<'EOF'
+#!/bin/bash
+[[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+for dir in /i /mnt/iroot /k /kr /w; do
+ if ! mountpoint $dir &>/dev/null && \
+ awk '{print $2}' /etc/fstab | grep -xF $dir &>/dev/null; then
+ if awk '{print $3}' /etc/fstab | grep -xF nfs &>/dev/null; then
+ mount $dir || echo "warning: failed to mount nfs on $dir"
+ else
+ mount $dir
+ fi
+ fi
+done
+EOF
+ s chmod +x /root/imount
+ s dd of=/etc/systemd/system/imount.service </dev/null; then
- temp="$(mktemp)"
- eval "$($GPGAGENT --homedir /p/do-not-delete --daemon --sh --write-env-file=$PID_FILE 2>$temp)"
- temperr="$(<"$temp")"
- [ -n "$temperr" ] && xmessage "gpg-agent stderr: $temperr"
- elif [ -r "$PID_FILE" ]; then
- . "$PID_FILE"
- export GPG_AGENT_INFO
+##### setup /nocow.
+# a nocow dir that is common to multiple distros installed on the same system
+dir=/nocow
+if has_btrfs; then
+ if ! mountpoint $dir; then
+ subvol=/mnt/root/nocow
+ if [[ ! -e $subvol ]]; then
+ s btrfs subvolume create $subvol
+ s chown root:1000 $subvol
+ s chattr +C $subvol
fi
-fi
-# ubuntu has 002, debian has 022.
-# from what I've read, benefit of 002 makes shared groups read/write.
-# Security concern is where some unixes put everyone in a same group,
-# so if you copy files there with exact perms, that is probably not
-# what you want. I don't use a system like that, and I don't really care
-# either way, but I'd prefer
-# being able to sync file perms with ubuntu systems at work,
-# and it's easier to change the debian one.
-
-umask 002
+ first_root_crypt=$(awk '$2 == "/" {print $1}' /etc/mtab)
+ tu /etc/fstab <