mostly fixes

[distro-setup] / brc2

#!/bin/bash
# Copyright (C) 2019 Ian Kelling
# SPDX-License-Identifier: AGPL-3.0-or-later
# this gets sourced. shebang is just for file mode detection


# * settings

HISTFILE=$HOME/.bh

source /a/bin/distro-setup/path-add-function
path-add /a/exe
# add this with absolute paths as needed for better security
#path-add --end /path/to/node_modules/.bin
## for yarn, etc
#path-add --end /usr/lib/node_modules/corepack/shims/

# pip3 --user things go here:
path-add --end ~/.local/bin
path-add --ifexists --end /a/work/libremanage
path-add --ifexists --end /a/opt/adt-bundle*/tools /a/opt/adt-bundle*/platform-tools
path-add --ifexists --end /a/opt/scancode-toolkit-3.10.

case $HOSTNAME in
  sy|bo)
    # https://askubuntu.com/questions/1254544/vlc-crashes-when-opening-any-file-ubuntu-20-04
    if grep -qE '^VERSION_CODENAME="(nabia|focal)"' /etc/os-release &>/dev/null; then
      export MESA_LOADER_DRIVER_OVERRIDE=i965
    fi
    ;;
esac


export WCDHOME=/a


case $EUID in
  0)
    SL_SSH_ARGS="-F $HOME/.ssh/confighome"
    ;;
esac


# * include files

# generated instead of dynamic for the benefit of shellcheck
#for x in /a/bin/distro-functions/src/* /a/bin/!(githtml)/*-function?(s); do echo source $x ; done
source /a/bin/distro-functions/src/identify-distros
source /a/bin/log-quiet/logq-function
# for x in /a/bin/bash_unpublished/source-!(.#*); do echo source $x; done
source /a/bin/bash_unpublished/source-semi-priv
source /a/bin/bash_unpublished/source-state

source /a/bin/log-quiet/logq-function
if [[ -s /a/opt/alacritty/extra/completions/alacritty.bash ]]; then
  source /a/opt/alacritty/extra/completions/alacritty.bash
fi


# * functions

multimic() {
  local i
  local -a sources

  m pactl unload-module module-loopback
  m pactl unload-module module-null-sink
  m pactl unload-module module-remap-source

  sources=($(pacmd list-sources | sed -rn 's/.*name: <([^>]+).*/\1/p'))

  if (( ! $# )); then
    i=0
    for s in ${sources[@]}; do
      e $i $s
      i=$(( i+1 ))
    done
    read -r l
    set -- $l
  fi
  m pactl load-module module-null-sink sink_name=ianinput sink_properties=device.description=ianinputs
  for i; do
    m pactl load-module module-loopback source=${sources[i]} sink_dont_move=true sink=ianinput
  done
  pactl load-module module-remap-source source_name=iancombine master=ianinput.monitor source_properties=device.description=iancombine
}

hstest() {
  install-my-scripts
  d=$(mktemp -d)
  sed '/^ *IdentityFile/d' ~/.ssh/config >$d/config
  s command ssh -F $d/config -i /q/root/h "$@"
}

hrtest() {
  install-my-scripts
  d=$(mktemp -d)
  sed '/^ *IdentityFile/d' ~/.ssh/config >$d/config
  s rsync -e "ssh -F $d/config -i /q/root/h" "$@"
}


slemacs() {
  local arg rtime v
  arg="$1"
  remote="$2"
  if [[ $arg == [89]0Etiona* ]]; then
    v=${arg::1}
    rtime=${arg#*Etiona} # remote time
    if [[ ! $rtime ]]; then
      rtime=0
    fi
    dir=/a/opt/emacs-trisquel${v}-nox/.iank
    ltime=$(stat -c%Y $dir/e/e/.emacs.d/init.el)
    if (( ltime > rtime )); then
      m rsync -rptL --delete --filter=". /b/ds/sl/rsync-filter" $dir "$remote":/home/iank
    fi
  fi
}

sle() { # sl emacs
  local f=/home/iank/.emacs.d/init.el
  sl --sl-test-cmd ". /etc/os-release ; printf %s \${VERSION//[^a-zA-Z0-9]/}; test -e $f && stat -c%Y $f" --sl-test-hook slemacs "$@"
}
ccomp ssh sle

# Run this manually after .emacs.d changes.  Otherwise, to check if
# files changed with find takes 90ms. sl normally only adds 25ms.  We
# could cut it down to 10ms if we put things on a btrfs filesystem and
# looked for changes there, or used some inotify thing, but that seems
# like too much work.
egh() { # emacs gnuhope
  RSYNC_RSH=ssh m rsync -rptL --delete --filter=". /b/ds/sl/rsync-filter" /a/opt/emacs-trisquel9-nox/.iank lists2d.fsf.org:.ianktrisquel_9
  RSYNC_RSH=ssh m rsync -rptL --delete --filter=". /b/ds/sl/rsync-filter" /a/opt/emacs-trisquel8-nox/.iank lists2d.fsf.org:/home/iank
}
ekw() {
  local shell="bash -s"
  if [[ $HOSTNAME != kw ]]; then
    shell="ssh kw.office.fsf.org"
    bbk -m /a -t kw
  fi
  $shell <<'EOF'
sudo mkdir /root/.ianktrisquel_9
sudo rsync -rptL --delete --filter=". /b/ds/sl/rsync-filter" /a/opt/emacs-trisquel9-nox/.iank /root/.ianktrisquel_9
rsync -rptL --delete --filter=". /b/ds/sl/rsync-filter" /a/opt/emacs-trisquel8-nox/.iank /home/iank
EOF
}

# usage mkschroot [-] distro codename packages
# - means no piping in of sources.list
mkschroot() {
  local force=false
  while [[ $1 == -* ]]; do
    case $1 in
      -f) force=true; shift ;;
      -s)
        sources="$2"
        if [[ ! -s $sources ]]; then
          echo mkschroot: error: sources file $sources does not exist or is empty
          return 1
        fi
        shift 2
        ;;
    esac
  done
  distro=$1
  shift
  case $distro in
    trisquel)
      repo=http://mirror.fsf.org/trisquel/
      ;;
    ubuntu)
      repo=http://archive.ubuntu.com/ubuntu/
      ;;
    debian)
      repo=http://deb.debian.org/debian/
      ;;
  esac
  n=$1

  shift
  if ! $force && schroot -l | grep -xFq chroot:$n; then
    echo "$0: $n schroot already installed, skipping"
    return 0
  fi
  apps=($@)
  d=/nocow/schroot/$n
  sd /etc/schroot/chroot.d/$n.conf <<EOF
[$n]
description=$n
type=directory
directory=$d
profile=desktop
preserve-environment=true
users=$USER,user2
EOF
  cd
  if [[ ! -e $d/bin ]]; then
    sudo mkdir -p $d
    # resolvconf otherwise schroot fails with
    #  cp: not writing through dangling symlink '/var/run/schroot/mount/flidas-7a2362e0-81b3-4848-92c1-610203ef5976/etc/resolv.conf'
    sudo debootstrap --exclude=resolvconf $n $d $repo
  fi
  if [[ $sources ]]; then
    sudo install -m 644 $sources $d/etc/apt/sources.list
  fi
  sudo chroot $d apt-get update
  sudo DEBIAN_FRONTEND=noninteractive chroot $d apt-get -y dist-upgrade --purge --auto-remove
  sudo cp -P {,$d}/etc/localtime
  if (( ${#apps[@]} )); then
    sudo DEBIAN_FRONTEND=noninteractive schroot -c $n -- apt-get install --allow-unauthenticated -y ${apps[@]}
  fi
}


# note: this is incomplete and untested.
# https://wiki.archlinux.org/index.php/Install_Arch_Linux_from_existing_Linux#Creating_a_chroot
mkarchchroot() {
  local tarball mirror
  mirror=https://mirrors.edge.kernel.org/archlinux/iso/latest/
  tarball=$(curl -s $mirror | sed -nr 's/.*"(archlinux-bootstrap-.*-x86_64.tar.gz)".*/\1/p')
  wget -O /tmp/arch.tar.gz https://mirrors.edge.kernel.org/archlinux/iso/latest/$tarball
  s mkdir -p /nocow/schroot/arch
  cd _/nocow/schroot/arch
  s sed -i '/## United States/,/^$/s,^#,,' etc/pacman.d/mirrorlist
  # error: could not determine cachedir mount point /var/cache/pacman/pkg
  s sed -i /^CheckSpace/d etc/pacman.conf
  chroot . /bin/bash -s <<'EOF'
pacman-key --init
pacman-key --populate archlinux
pacman -Syyu
EOF
  # example of building an aur package:
  # pacman -Sy base-devel wget
  # useradd -m iank
  # f=$target/etc/sudoers
  # line='iank  ALL=(ALL)  NOPASSWD: ALL'
  # if [[ ! -e $f ]] || ! grep -xF "$line" $f; then
  #   echo "$line" >> $f
  # fi
  # su iank
  # wget https://aur.archlinux.org/cgit/aur.git/snapshot/anbox-image-gapps.tar.gz
  # tar xzf anbox-image-gapps.tar.gz
  # cd anbox-image-gapps
  # makepkg -s
}


# clock back in to timetrack from last entry
tback() {
  sqlite3 /p/.timetrap.db "update entries set end = NULL where id = (select max(id) from entries);"
}

# sshfs example:
# s sshfs bu@$host:/bu/home/md /bu/mnt -o reconnect,ServerAliveInterval=20,ServerAliveCountMax=30 -o allow_other

eqgo() {
  enn -M $(exiqgrep -i)
}
eqgo1() {
  enn -M $(exiqgrep -i|h1)
}


gnupload(){
  /a/f/gnulib/build-aux/gnupload "$@"
}

abrowserrmcompat() {
  local f
  ngset
  f=(/p/c/firefox*/compatibility.ini)
  if (( ${#f[@]} )); then
    rm ${f[@]}
  fi
  ngreset
}
ngset() {
  if shopt nullglob >/dev/null; then
    ngreset=false
  else
    shopt -s nullglob
    ngreset=true
  fi
}
ngreset() {
  if $ngreset; then
    shopt -u nullglob
  fi
}

checkre() {
  s checkrestart -b /a/bin/ds/checkrestart-blacklist -pv
}

cp-blocked-domains-to-brains() {
  cp /a/f/ans/roles/exim/files/mx/simple/etc/exim4/bad-sender_domains /a/f/brains/sysadmin/kb/blocked_email_domains.mdwn
}
cp-blocked-domains-to-ansible() {
  cp /a/f/brains/sysadmin/kb/blocked_email_domains.mdwn /a/f/ans/roles/exim/files/mx/simple/etc/exim4/bad-sender_domains
}


anki() {
  # crashes on adding new cards in t9
  schroot -c buster -- anki
}

acat() {
  ngset
  hrcat /m/md/alerts/{cur,new}/*
  ngreset
  hr; echo bk; hr
  ssh bk.b8.nz "shopt -s nullglob; hrcat /m/md/INBOX/new/* /m/md/INBOX/cur/*"
}
aclear() {
  ngset
  rm -f /m/md/alerts/{cur,new}/*
  ngreset
  ssh bk.b8.nz "shopt -s nullglob; rm -f /m/md/INBOX/new/* /m/md/INBOX/cur/*"
  system-status _
}

alerts() {
  find /var/local/cron-errors /home/iank/cron-errors /sysd-mail-once-state -type f
}
ralerts() { # remote alerts
  local ret shell
  # this list is duplicated in check-remote-mailqs
  for h in bk je li frodo kwwg x3wg x2wg kdwg sywg; do
    echo $h:
    shell="ssh $h"
    if [[ $HOSTNAME == "${h%wg}" ]]; then
      shell=
    fi
    ret=0
    $shell find /var/local/cron-errors /home/iank/cron-errors /sysd-mail-once-state -type f || ret=$?
    if (( ret )); then
      echo ret:$ret
    fi
  done
}

ap() {
  # pushd in case current directory has an ansible.cfg file
  pushd /a/xans >/dev/null
  ansible-playbook -v -l ${1:- $(hostname -f)} site.yml
  popd >/dev/null
}
aw() {
  pushd /a/work/ans >/dev/null
  time ansible-playbook -v -i inventory adhoc.yml "$@"
  popd >/dev/null
}
ad() {
  pushd /a/bin/distro-setup/a >/dev/null
  ansible-playbook site.yml "$@"
  popd >/dev/null
}

astudio() {
  # googling android emulator libGL error: failed to load driver: r600
  # lead to http://stackoverflow.com/a/36625175/14456
  export ANDROID_EMULATOR_USE_SYSTEM_LIBS=1
  /a/opt/android-studio/bin/studio.sh "$@" &r;
}

# note, to check for glue records
# First, find some the .org nameservers:
# dig +trace iankelling.org
# then, query one:
# dig ns1.iankelling.org @b0.org.afilias-nst.org.

# Now, compare for a domain that does have glue records setup (note the A
# and AAAA records in ADDITIONAL SECTION, those are glue records like the
# one I'm asking for):

# $ dig ns1.gnu.org @b0.org.afilias-nst.org.

# todo: make sm pull/push use systemd instead of the journal cat command
bbk() { # btrbk wrapper
  local ret=0
  c /
  local active=true
  systemctl is-active btrbk.timer || active=false
  if $active; then
    ser stop btrbk.timer
  fi
  if [[ $(systemctl is-active btrbk.service ||:) != inactive ]]; then
    echo "cron btrbk is already running"
    if $active; then ser start btrbk.timer; fi
    return 1
  fi
  # run latest
  install-my-scripts
  # todo: consider changing this to srun and having the args come
  # from a file like /etc/default/btrbk, like is done in exim
  s jrun btrbk-run "$@"
  if $active; then
    if (( ret )); then
      echo bbk: WARNING: btrbk.timer not restarted due to failure
    else
      ser start btrbk.timer
    fi
  fi
  return $ret
}

faimon() {
  fai-monitor | pee cat "fai-monitor-gui -"
}

bfg() { java -jar /a/opt/bfg-1.12.14.jar "$@"; }

bigclock() {
  xclock -digital -update 1 -face 'arial black-80:bold'
}

nnn() { /a/opt/nnn -H "$@"; }

locat() { # log-once cat
  local files
  ngset
  files=(/var/local/cron-errors/* /home/iank/cron-errors/* /sysd-mail-once-state/*)
  case ${#files[@]} in
    0) : ;;
    1)
      echo ${files[0]}
      head ${files[0]}
      ;;
    *)
      head ${files[@]}
      ;;
  esac
  ngreset
}

# duplicated somewhat below.
jrun() { # journal run. run args, log to journal, tail and grep the journal.
  # Note, an alternative without systemd would be something like ts.
  # Note, I tried using systemd-cat, but this seems obviously better,
  # and that seemed to have a problem exiting during a systemctl daemon-reload
  local cmd_name jr_pid s
  ret=0
  cmd_name=${1##*/}
  cmd=$1
  if [[ $cmd != /* ]]; then
    cmd=$(which $1)
  fi
  journalctl -qn2 -f -u "$cmd_name" &
  # Guess of time needed to avoid missing initial lines.
  # .5 was not reliable. 1 was not reliable. 2 was not reliable
  sleep 3
  # We kill this in prompt-command for the case that we ctrl-c the
  # systemd-cat. i dont know any way to trap ctrl-c and still run the
  # normal action for it. There might be a way, unsure.
  jr_pid=$!
  # note, we could have a version that does system --user, but if for example
  # it does sudo ssh, that will leave a process around that we can't kill
  # and it will leave the unit hanging around in a failed state needing manual
  # killing of the process.
  m s systemd-run --uid $(id -u) --gid $(id -g) \
    -E SSH_AUTH_SOCK=/run/openssh_agent \
    --unit "$cmd_name" --wait --collect "$cmd" "${@:2}" || ret=$?
  # This justs lets the journal output its last line
  # before the prompt comes up.
  sleep .5
  kill $jr_pid &>/dev/null ||:
  unset jr_pid
  fg &>/dev/null ||:
}
# service run, and watch the output
srun() {
  local unit
  ret=0
  unit=$1
  journalctl -qn2 -f -u $unit &
  systemctl start $unit
  sleep 2
  kill $jr_pid &>/dev/null ||:
  unset jr_pid
  fg &>/dev/null ||:
}

sm() {
  local tmp keyhash
  c /
  # run latest
  keyhash=$(s ssh-keygen -lf /root/.ssh/home  | awk '{print $2}')
  tmp=$(s ssh-add -l | awk '$2 == "'$keyhash'"')
  if [[ ! $tmp ]]; then
    s ssh-add /root/.ssh/home
  fi
  install-my-scripts
  s jrun switch-mail-host "$@"
  return $ret
}

# shellcheck disable=SC2120
lipush() {
  # note, i had --delete-excluded, but that deletes all files in --exclude-from on
  # the remote site, which doesn't make sense, so not sure why i had it.
  local p a
  # excluding emacs for now
  #p=(/a/opt/{emacs-debian11{,-nox},mu,emacs} /a/bin /a/exe /a/h /a/c /p/c/machine_specific/vps{,.hosts})
  p=(/a/bin /a/exe /a/h /a/c /p/c/machine_specific/vps{,.hosts})
  a="-ahviSAXPH --specials --devices --delete --relative --exclude-from=/p/c/li-rsync-excludes"
  ret=0
  for h in li je bk; do
    m s rsync "$@" $a ${p[@]} /p/c/machine_specific/$h root@$h.b8.nz:/
    ## only li is debian11
    #p[0]=/a/opt/emacs-trisuqel10
    #p[1]=/a/opt/emacs-trisquel10-nox
  done
  m s rsync "$@" -ahviSAXPH root@li.b8.nz:/a/h/proposed-comments/ /a/h/proposed-comments || ret=$?
  return $ret
}
bkpush() { # no emacs. for running faster.
  p=(/a/bin /a/exe /a/h /a/c /p/c/machine_specific/vps{,.hosts})
  a="-ahviSAXPH --specials --devices --delete --relative --exclude-from=/p/c/li-rsync-excludes"
  ret=0
  m rsync "$@" $a ${p[@]} /p/c/machine_specific/bk root@bk.b8.nz:/ || ret=$?
  return $ret
}
jepush() { # no emacs. for running faster.
  p=(/a/bin /a/exe /a/h /a/c /p/c/machine_specific/vps{,.hosts})
  a="-ahviSAXPH --specials --devices --delete --relative --exclude-from=/p/c/li-rsync-excludes"
  ret=0
  m rsync "$@" $a ${p[@]} /p/c/machine_specific/je root@je.b8.nz:/ || ret=$?
  return $ret
}

bindpush() {
  dsign iankelling.org expertpathologyreview.com zroe.org amnimal.ninja
  lipush
  for h in li bk; do
    m sl $h <<'EOF'
source ~/.bashrc
m dnsup
EOF
  done
}
bindpushb8() {
  lipush
  for h in li bk; do
    m sl $h <<'EOF'
source ~/.bashrc
m dnsb8
EOF
  done
}

dnsup() {
  conflink -f
  m ser reload named
}
dnsb8() {
  local f=/var/lib/bind/db.b8.nz
  m ser stop named
  m sleep 1
  m sudo rm -fv $f.jnl
  m sudo install -m 644 -o bind -g bind /p/c/machine_specific/vps/bind-initial/db.b8.nz $f
  m ser restart named
}
dnsecgen() {
  # keys generated like this
  # because of https://ftp.isc.org/isc/dnssec-guide/dnssec-guide.pdf
  # https://blog.apnic.net/2019/05/23/how-to-deploying-dnssec-with-bind-and-ubuntu-server/

  # key length is longer than that guide because
  # we are using those at fsf and when old key lengths
  # become insecure, I want some extra time to update.
  # dnsecgen (in brc2)

  local zone=$1
  dnssec-keygen -a RSASHA256 -b 2048 $zone
  dnssec-keygen -f KSK -a RSASHA256 -b 4096 $zone
  for f in K$zone.*.key; do
    # eg Kb8.nz.+008+47995.key tag=47995
    # in dnsimple, you add the long string from this.
    # in gandi, you add the long string from the .key file,
    # then see that the digest matches the ds.
    echo "tag is the number after DS"
    dnssec-dsfromkey -a SHA-256 $f
  done
  # For b8.nz, we let bind read the keys and sign, and
  # right now they have root ownership, so let them
  # get group read.
  chmod g+r *.private
}
dsign() {
  # create .signed file
  # note: full paths probably not needed.
  local arg
  for arg; do
    local zone=${arg#db.}
    local dir=/p/c/machine_specific/vps/filesystem/var/lib/bind
    dnssec-signzone -S -e +31536000 -o $zone -K $dir -d $dir $dir/db.$zone
  done
}


#### begin bitcoin related things
btc() {
  local f=/etc/bitcoin/bitcoin.conf
  # importprivkey will timeout if using the default of 15 mins.
  # upped it to 1 hour.
  bitcoin-cli -rpcclienttimeout=60000 -$(s grep rpcuser= $f) -$(s grep rpcpassword= $f) "$@"
}
btcusd() { # $1 btc in usd
  local price
  price="$(curl -s https://api.coinbase.com/v2/prices/BTC-USD/spot | jq -r .data.amount)"
  printf "$%s\n" "$price"
  if [[ $1 ]]; then
    printf "$%.2f\n" "$(echo "scale=4; $price * $1"| bc -l)"
  fi
}
usdbtc() { # $1 usd in btc
  local price
  price="$(curl -s https://api.coinbase.com/v2/prices/BTC-USD/spot | jq -r .data.amount)"
  printf "$%s\n" "$price"
  if [[ $1 ]]; then
    # 100 mil satoshi / btc. 8 digits after the 1.
    printf "%.8f btc\n" "$(echo "scale=10; $1 / $price "| bc -l)"
  fi
}
satoshi() { # $1 satoshi in usd
  local price
  price="$(curl -s https://api.coinbase.com/v2/prices/BTC-USD/spot | jq -r .data.amount)"
  price=$(echo "scale=10; $price * 0.00000001"| bc -l)
  printf "$%f\n" "$price"
  if [[ $1 ]]; then
    printf "$%.2f\n" "$(echo "scale=10; $price * $1"| bc -l)"
  fi
}
#### end bitcoin related things



cbfstool () { /a/opt/coreboot/build/cbfstool "$@"; }


cgpl()
{
  if (($#)); then
    cp /a/bin/data/COPYING "$@"
  else
    cp /a/bin/data/COPYING .
  fi
}

capache()
{
  if (($#)); then
    cp /a/bin/data/LICENSE "$@"
  else
    cp /a/bin/data/LICENSE .
  fi
}

chrome() {
  if type -p chromium &>/dev/null; then
    cmd=chromium
  else
    cd /
    cmd="schroot -c bullseye chromium"
    CHROMIUM_FLAGS='--enable-remote-extensions' $cmd &r
  fi
}


# do all tee.
# pipe to this, or just type like a shell
# todo: test this
dat() {
  tee >(ssh frodo.b8.nz) >(ssh x2) >(ssh tp.b8.nz) >(ssh kw) >(ssh tp.b8.nz)
}
da() { # do all
  local host
  for host in x2 kw tp.b8.nz x3.b8.nz frodo.b8.nz; do
    ssh $host "$@"
  done
}


debian_pick_mirror () {
  # netselect-apt finds a fast mirror.
  # but we need to replace the mirrors ourselves,
  # because it doesnt do that. best it can do is
  # output a basic sources file
  # here we get the server it found, get the main server we use
  # then substitute all instances of one for the other in the sources file
  # and backup original to /etc/apt/sources.list-original.
  # this is idempotent. the only way to identify debian sources is to
  # note the original server, so we put it in a comment so we can
  # identify it later.
  local file
  file=$(mktemp -d)/f # safe way to get file name without creating one
  sudo netselect-apt -o "$file" || return 1
  url=$(grep ^\\w $file | head -n1 | awk '{print $2}')
  sudo cp -f /etc/apt/sources.list /etc/apt/sources.list-original
  sudo sed -ri "/http.us.debian.org/ s@( *[^ #]+ +)[^ ]+([^#]+).*@\1$url\2# http.us.debian.org@" /etc/apt/sources.list
  sudo apt-get update
}
digme() {
  digdiff @ns{1,2}.iankelling.org "$@"
}

tsr() { # ts run
  "$@" |& ts || return $?
}

dup() {
  local ran_d
  ran_d=false
  system-status _
  case $PS1 in
    *[\ \]]D\ *)
      pushd /
      /b/ds/distro-begin |& ts || return $?
      /b/ds/distro-end |& ts || return $?
      popd
      ran_d=true
      ;;&
    *[\ \]]DB\ *)
      pushd /
      /b/ds/distro-begin |& ts || return $?
      popd
      ran_d=true
      ;;
    *[\ \]]DE\ *)
      pushd /
      /b/ds/distro-end |& ts || return $?
      popd
      ran_d=true
      ;;&
    *CONFLINK*)
      if ! $ran_d; then
        conflink
      fi
      ;;
  esac
  system-status _
}

envload() { # load environment from a previous: export > file
  local file=${1:-$HOME/.${USER}_env}
  eval "$(export | sed 's/^declare -x/export -n/')"
  while IFS= read -r line; do
    # declare -x makes variables local to a function
    eval ${line/#declare -x/export}
  done < "$file"
}

failfunc() { asdf a b c; }
failfunc2() { failfunc d e f; }

# one that comes with distros is too old for newer devices
fastboot() {
  /a/opt/android-platform-tools/fastboot "$@";
}

kdecd() { /usr/lib/x86_64-linux-gnu/libexec/kdeconnectd; }

bat() {
  cat /sys/class/power_supply/BAT0/capacity
}

# List of apps to install/update
# Create from existing manually installed apps by doing
# fdroidcl update
# fdroidcl search -i, then manually removing
# automatically installed/preinstalled apps

#
# # my attempt at recovering from boot loop:
# # in that case, boot to recovery (volume up, home button, power, let go of power after samsun logo)
# # then
# mount /dev/block/mmcblk0p12 /data
# cd /data
# find -iname '*appname*'
# rm -rf FOUND_DIRS
# usually good enough to just rm -rf /data/app/APPNAME
#
# currently broken:
# # causes replicant to crash
# org.quantumbadger.redreader
# org.kde.kdeconnect_tp

# not broke, but wont work without gps
#com.zoffcc.applications.zanavi
# not broke, but not using atm
#com.nutomic.syncthingandroid
# # doesn\'t work on replicant
#net.sourceforge.opencamera
#
fdroid_pkgs=(
  net.mullvad.mullvadvpn
  org.schabi.newpipe
  io.github.subhamtyagi.lastlauncher
  io.anuke.mindustry
  com.biglybt.android.client
  de.marmaro.krt.ffupdater
  me.ccrama.redditslide
  org.fedorahosted.freeotp
  at.bitfire.davdroid
  com.alaskalinuxuser.justnotes
  com.artifex.mupdf.viewer.app
  com.danielkim.soundrecorder
  com.fsck.k9
  com.ichi2.anki
  com.jmstudios.redmoon
  com.jmstudios.chibe
  org.kde.kdeconnect_tp
  com.notecryptpro
  com.termux
  cz.martykan.forecastie
  de.danoeh.antennapod
  de.blinkt.openvpn
  de.marmaro.krt.ffupdater
  eu.siacs.conversations
  free.rm.skytube.oss
  im.vector.alpha # riot
  info.papdt.blackblub
  me.tripsit.tripmobile
  net.gaast.giggity
  net.minetest.minetest
  net.osmand.plus
  org.isoron.uhabits
  org.linphone
  org.gnu.icecat
  org.smssecure.smssecure
  org.yaaic
  sh.ftp.rocketninelabs.meditationassistant.opensource
)
# https://forum.xda-developers.com/android/software-hacking/wip-selinux-capable-superuser-t3216394
# for maru,
#me.phh.superuser

fdup() {
  local -A installed updated
  local p
  # tried putting this in go buildscript cronjob,
  # but it failed with undefined: os.UserCacheDir. I expect its due to
  # an environment variable missing, but its easier just to stick it here.
  m go get -u mvdan.cc/fdroidcl || return 1
  m fdroidcl update
  if fdroidcl search -u | grep ^org.fdroid.fdroid; then
    fdroidcl install org.fdroid.fdroid
    sleep 5
    m fdroidcl update
  fi
  for p in $(fdroidcl search -i| grep -o "^\S\+"); do
    installed[$p]=true
  done
  for p in $(fdroidcl search -u| grep -o "^\S\+"); do
    updated[$p]=false
  done
  for p in ${fdroid_pkgs[@]}; do
    if ! ${installed[$p]:-false}; then
      m fdroidcl install $p
      # sleeps are just me being paranoid since replicant has a history of crashing when certain apps are installed
      sleep 5
    fi
  done
  for p in ${!installed[@]}; do
    if ! ${updated[$p]:-true}; then
      m fdroidcl install $p
      sleep 5
    fi
  done
}

firefox-default-profile() {
  key=Default value=1 section=$1
  file=/p/c/subdir_files/.mozilla/firefox/profiles.ini
  sed -ri "/^ *$key/d" "$file"
  sed -ri "/ *\[$section\]/,/^ *\[[^]]+\]/{/^\s*$key[[:space:]=]/d};/ *\[$section\]/a $key=$value" "$file"
}
fdhome() { #firefox default home profile
  firefox-default-profile Profile0
}

fdwork() {
  firefox-default-profile Profile4
}

ff() {
  if type -P firefox &>/dev/null; then
    firefox "$@"
  else
    iceweasel "$@"
  fi
}

fn() {
  firefox -P alt "$@" >/dev/null 2>&1
}


fsdiff () {
  local missing=false
  local dname="${PWD##*/}"
  local m="/a/tmp/$dname-missing"
  local d="/a/tmp/$dname-diff"
  [[ -e $d ]] && rm "$d"
  [[ -e $m ]] && rm "$m"
  local msize=0
  local fsfile
  while read -r line; do
    fsfile="$1${line#.}"
    if [[ -e "$fsfile" ]]; then
      md5diff "$line" "$fsfile" && tee -a "/a/tmp/$dname-diff" <<< "$fsfile $line"
    else
      missing=true
      echo "$line" >> "$m"
      msize=$((msize + 1))
    fi
  done < <(find . -type f )
  if $missing; then
    echo "$m"
    (( msize <= 100 )) && cat $m
  fi
}
fsdiff-test() {
  # expected output, with different tmp dirs
  # /tmp/tmp.HDPbwMqdC9/c/d ./c/d
  # /a/tmp/tmp.qLDkYxBYPM-missing
  # ./b
  cd $(mktemp -d)
  echo ok > a
  echo nok > b
  mkdir c
  echo ok > c/d
  local x
  x=$(mktemp -d)
  mkdir $x/c
  echo different > $x/c/d
  echo ok > $x/a
  fsdiff $x
}
rename-test() {
  # test whether missing files were renamed, generally for use with fsdiff
  # $1 = fsdiff output file, $2 = directory to compare to. pwd = fsdiff dir
  # echos non-renamed files
  local x y found
  unset sums
  for x in "$2"/*; do
    { sums+=( "$(md5sum < "$x")" ) ; } 2>/dev/null
  done
  while read -r line; do
    { missing_sum=$(md5sum < "$line") ; } 2>/dev/null
    renamed=false
    for x in "${sums[@]}"; do
      if [[ $missing_sum == "$x" ]]; then
        renamed=true
        break
      fi
    done
    $renamed || echo "$line"
  done < "$1"
  return 0
}

feh() {
  # F = fullscren, z = random, Z = auto zoom
  command feh -FzZ "$@"
}



fw() {
  firefox -P default "$@" >/dev/null 2>&1
}

gitian() {
  git config user.email ian@iankelling.org
}

# at least in flidas, things rely on gpg being gpg1
gpg() {
  if type -P gpg2 &>/dev/null; then
    command gpg2 "$@"
  else
    command gpg "$@"
  fi
}

gse() {
  local email=ian@iankelling.org
  git send-email --notes "--envelope-sender=<$email>" \
      --suppress-cc=self "$@"
}

gup() { /a/f/gnulib/build-aux/gnupload "$@"; }

dejagnu() { /a/opt/dejagnu/dejagnu "$@"; }

hstatus() {
  # do git status on published repos.
  c /a/bin/githtml
  for x in *; do
    cd $(readlink -f $x)/..
    status=$(i status -s) || pwd
    if [[ $status ]]; then
      hr
      echo $x
      printf "%s\n" "$status"
    fi
    cd /a/bin/githtml
  done
}

# work log
wlog() {
  local day now i
  for (( i=0; i<60; i++ )); do
    day=$( date +%F -d @$((EPOCHSECONDS - 86400*i )) )
    date "+%a %b %d" -d @$((EPOCHSECONDS - 86400*i )) | tr '\n' ' '
    /a/opt/timetrap/bin/t d -ftotal -s $day -e $day all -m '^w|lunch$'
  done
}
to() { t out -a "$@"; }
ti() { t in -a "$@"; }
tl() {
  to "$*"
  t s lunch
  t in -a "$*"
  m t out -a $(date +%F.%T -d @$(( $(date -d "$(echo $*|sed 's/[_.]/ /g')" +%s) + 60*45 )) )
  t s w
}

arbttlog() { arbtt-dump "$@" | grep -v '( )\|Current Desktop' | sed -rn '/^[^ ]/{N;s/^(.{21})([0-9]*)[0-9]{3}m.*\(\*/\1\2/;s/^(.{21})[0-9]*.*\(\*/\1/;s/\n//;p}' ;   }

idea() {
  /a/opt/idea-IC-163.7743.44/bin/idea.sh "$@" &r
}

ilogs() {
  ssh root@iankelling.org "cd /var/lib/znc/moddata/log/iank/freenode/ && hr && for x in \#$1/*; do base=\${x##*/}; files=(); for f in $@; do tmp=\#\$f/\$base; if [[ -e \$tmp ]]; then files+=(\#\$f/\$base); fi; done; sed \"s/^./\${base%log}/\" \${files[@]}|sort -n; hr; done"
}

ilog() {
  chan=${1:-#fsfsys}
  # use * instead of -r since that does sorted order
  ssh root@iankelling.org "for n in freenode libera; do cd /var/lib/znc/moddata/log/iank/\$n/$chan && hr && for x in *; do echo \$x; sed \"s/^./\${x%log}/\" \$x; hr; done; done" | less +G
}

o() {
  if type gio &> /dev/null ; then
    gio open "$@"
  elif type gvfs-open &> /dev/null ; then
    gvfs-open "$@"
  else
    xdg-open "$@"
  fi
  # another alternative is run-mailcap
}
ccomp xdg-open o

# jfilter() {
#   grep -Evi -e "^(\S+\s+){4}(sudo|sshd|cron)\[\S*:" \
  #        -e "^(\S+\s+){4}systemd\[\S*: (starting|started) (btrfsmaintstop|dynamicipupdate|spamd dns bug fix cronjob|rss2email)\.*$"
# }
# jtail() {
#   journalctl -n 10000 -f "$@" | jfilter
# }
# jr() { journalctl "$@" | jfilter | less ; }
# jrf() { journalctl -n 200 -f "$@" | jfilter; }

jr() { journalctl "$@" ; }
jrf() { journalctl -n 200 -f "$@" ; }


ccomp journalctl jtail jr jrf

kff() { # keyboardio firmware flash
  pushd /a/bin/distro-setup/Arduino/Model01-Firmware
  yes $'\n' | make flash
  popd
}

wgkey() {
  local umask_orig name
  if (( $# != 1 )); then
    e expected 1 arg >&2
    return 1
  fi
  name=$1
  umask_orig=$(umask)
  umask 0077
  wg genkey | tee $name-priv.key | wg pubkey > $name-pub.key
  umask $umask_orig
}
wghole() {
  if (( $# != 2 )); then
    e expected 2 arg of hostname, ip suffix >&2
    return 1
  fi
  local host ipsuf umask_orig
  host=$1
  ipsuf=$2
  mkdir -p /p/c/machine_specific/$host/filesystem/etc/wireguard
  cd /p/c/machine_specific/$host/filesystem/etc/wireguard
  umask_orig=$(umask)
  umask 0077
  wg genkey | tee hole-priv.key | wg pubkey > hole-pub.key
  cat >wghole.conf <<EOF
[Interface]
# contents hole-priv.key
PrivateKey = $(cat hole-priv.key)
ListenPort = 1194
Address = 10.8.0.$ipsuf/24
# https://dev.to/tangramvision/what-they-don-t-tell-you-about-setting-up-a-wireguard-vpn-1h2g
# ||: makes the systemd service not fail due to the failed command
PostUp = ping -c1 10.8.0.1 ||:

[Peer]
# li. called wgmail on that server
PublicKey = CTFsje45qLAU44AbX71Vo+xFJ6rt7Cu6+vdMGyWjBjU=
AllowedIPs = 10.8.0.0/24
Endpoint = 72.14.176.105:1194
PersistentKeepalive = 25
EOF
  umask $umask_orig
  # old approach. systemd seems to work fine and cleaner.
  rm -f ../network/interfaces.d/wghole
  cedit -q $host /p/c/machine_specific/li/filesystem/etc/wireguard/wgmail.conf <<EOF || [[ $? == 1 ]]
[Peer]
PublicKey = $(cat hole-pub.key)
AllowedIPs = 10.8.0.$ipsuf/32
EOF
  cd - >/dev/null
}


lom() {
  local l base
  if [[ $1 == /* ]]; then
    base=${1##*/}
    if mountpoint -q /mnt/$base; then
      return 0
    fi
    l=$(losetup -j $1 | sed -rn 's/^([^ ]+): .*/\1/p' | head -n1 ||:)
    if [[ ! $l ]]; then
      l=$(sudo losetup -f)
      m sudo losetup $l $1
    fi
    if ! sudo cryptsetup status /dev/mapper/$base &>/dev/null; then
      if ! sudo cryptsetup luksOpen $l $base; then
        m sudo losetup -d $l
        return 1
      fi
    fi
    m sudo mkdir -p /mnt/$base
    m sudo mount /dev/mapper/$base /mnt/$base
    m sudo chown $USER:$USER /mnt/$base
  else
    base=$1
    if mountpoint /mnt/$base &>/dev/null; then
      m sudo umount /mnt/$base
    fi
    if sudo cryptsetup status /dev/mapper/$base &>/dev/null; then
      if ! m sudo cryptsetup luksClose /dev/mapper/$base; then
        echo lom: failed cryptsetup luksClose /dev/mapper/$base
        return 1
      fi
    fi
    l=$(losetup -l --noheadings | awk '$6 ~ /\/'$1'$/ {print $1}')
    if [[ $l ]]; then
      m sudo losetup -d $l
    else
      echo lom: warning: no loopback device found
    fi
  fi
}

# mu personality. for original, just run mp. for 2, run mp 2.
# this is partly duplicated in mail-setup
mp() {
  local dead=false
  for s in {1..5}; do
    if ! killall mu; then
      dead=true
      break
    fi
    sleep 1
  done
  if ! $dead; then
    echo error: mu not dead
    m psg mu
    return 1
  fi
  suf=$1
  set -- /m/mucache ~/.cache/mu /m/.mu ~/.config/mu
  while (($#)); do
    target=$1$suf
    f=$2
    shift 2
    if [[ -e $f && ! -L $f ]]; then
      m rm -rf $f
    fi
    m ln -sf -T $target $f
  done
}

# these might need a mu index or something added.
mbenable() {
  local mb=$1
  dst=/m/4e/$mb
  src=/m/md/$mb
  [[ -e $src ]] || { echo "src:$src does not exist"; return 1; }
  m mv -T $src $dst
  m ln -s -T $dst $src
}
mb2enable() {
  local mb
  for mb; do
    dst=/m/4e2/$mb
    link=/m/md/$mb
    src=/m/md/$mb
    if [[ ! -e $src || -L $src ]]; then
      src=/m/4e/$mb
    fi
    [[ -e $src ]] || { echo "src:$src does not exist"; return 1; }
    m mv -T $src $dst
    m ln -sf -T $dst $link
  done
}
mbdisable() {
  local mb=$1
  dst=/m/md/$mb
  src=/m/4e/$mb
  set -x
  [[ -e $src ]] || { set +x; return 1; }
  if [[ -L $dst ]]; then rm $dst; fi
  mv -T $src $dst
  set +x
}


mdt() {
  markdown "$1" >/tmp/mdtest.html
  firefox /tmp/mdtest.html
}

mo() { xset dpms force off; } # monitor off

mpvd() {
  mpv --profile=d "$@";
}
mpvs() {
  mpv --profile=s "$@";
}

myirc() {
  if [[ ! $1 ]]; then
    set -- fsf-office
  fi
  local d1 d2
  d=( /var/lib/znc/moddata/log/iank/{freenode,libera} )
  # use * instead of -r since that does sorted order
  ssh root@iankelling.org "for f in ${d[@]}; do cd \$f/#$1; grep '\<iank.*' *; done" | cut --complement -c12-16
}
mypidgin() {
  c /p/c/.purple/logs/jabber/iank@fsf.org/office@conference.fsf.org.chat
  for x in *.html; do html2text -o ${x%.html}.txt $x; done;
  grep -A1 ') iank:' *.txt | sed -r 's/^(.{10})[^ ]*\.txt:\(?([^ ]*)[[:space:]](..). iank:/\1_\2_\3/;s/^[^ ]*\.txt-//;/^--$/d;s/^[^ ]*\.txt:\((.{2}).(.{2}).(.{4}) (.{8}) (.{2})\)?/\3-\1-\2_\4_\5/' | sed -n 'x;1d;0~2{G;s/\n/ /;p};${x;p}'
}
allmyirc() {
  local d
  d=/var/lib/znc/moddata/log/iank/freenode
  ssh root@iankelling.org "cd $d; find . -mtime -60 -type f -exec grep '\<iank.*' {} +" | sed -r 's,^..([^/]*)/(.{11})(.{5})(.{8}).,\2\4 \1,' | sort
}

mygajim() {
  local time time_sec time_pretty
  sqlite3 -separator ' ' /p/c/subdir_files/.local/share/gajim/logs.db "select time, message from logs where contact_name = 'iank' and jid_id = 17;" | while read -r time l; do
    case $time in
      16*) : ;;
      *) continue ;;
    esac
    if ! time_pretty=$(date +%F.%R -d @$time); then
      echo bad time: $time
      return 1
    fi
    echo $time_pretty "$l"
    time_sec=${time%%.*}
    # only look at the last 18 days. generally just use this for timesheet.
    if (( time_sec < EPOCHSECONDS - 60 * 60 * 24 * 18 )); then break; fi
  done
}

allmygajim() {
  sqlite3 -separator ' ' /p/c/subdir_files/.local/share/gajim/logs.db "select time, message from logs where contact_name = 'iank'" | less
}

gajlogs() {
  sqlite3 -separator ' ' /p/c/subdir_files/.local/share/gajim/logs.db "select time, message from logs" | less
}

net-dev-info() {
  e "lspci -nnk|gr -iA2 net"
  lspci -nnk|gr -iA2 net
  hr
  e "s lshw -C network"
  hr
  sudo lshw -C network
}

nk() {
  ser stop NetworkManager
  ser disable NetworkManager
  ser stop NetworkManager-wait-online.service
  ser disable NetworkManager-wait-online.service
  ser stop dnsmasq
  sudo resolvconf -d NetworkManager
  #  ser start dnsmasq
  sudo ifup br0
}
ngo() {
  sudo ifdown br0
  ser start NetworkManager
  sleep 4
  sudo nmtui-connect
}

otp() {
  oathtool --totp -b "$*" | xclip -selection clipboard
}
j() {
  "$@" |& pee "xclip -r -selection clipboard"
}


pakaraoke() {
  # from http://askubuntu.com/questions/456021/remove-vocals-from-mp3-and-get-only-instrumentals
  pactl load-module module-ladspa-sink sink_name=Karaoke master=alsa_output.usb-Audioengine_Audioengine_D1-00.analog-stereo plugin=karaoke_1409 label=karaoke control=-30
}

pfind() { #find *$1* in $PATH
  [[ $# != 1 ]] && { echo requires 1 argument; return 1; }
  local pathArray
  IFS=: pathArray=($PATH); unset IFS
  find "${pathArray[@]}" -iname "*$1*"
}

pick-trash() {
  # trash-restore lists everything that has been trashed at or below CWD
  # This picks out files just in CWD, not subdirectories,
  # which also match grep $1, usually use $1 for a time string
  # which you get from running restore-trash once first
  local name x ask
  local nth=1
  # last condition is to not ask again for ones we skipped
  while name="$( echo | restore-trash | gr "$PWD/[^/]\+$" | gr "$1" )" \
      && [[ $name ]] && (( $(wc -l <<<"$name") >= nth )); do
    name="$(echo "$name" | head -n $nth | tail -n 1 )"
    read -r -p "$name [Y/n] " ask
    if [[ ! $ask || $ask == [Yy] ]]; then
      x=$( echo "$name"  | gr -o "^\s*[0-9]*" )
      echo $x | restore-trash > /dev/null
    elif [[ $ask == [Nn] ]]; then
      nth=$((nth+1))
    else
      return
    fi
  done
}


pub() {
  rld /a/h/_site/ li:/var/www/iankelling.org/html
}


pumpa() {
  # fixes the menu bar in xmonad. this won\'t be needed when xmonad
  # packages catches up on some changes in future (this is written in
  # 4/2017)
  #
  # geekosaur: so youll want to upgrade to xmonad 0.13 or else use a
  # locally modified XMonad.Hooks.ManageDocks that doesnt set the
  # work area; turns out it\'s impossible to set correctly if you are
  # not a fully EWMH compliant desktop environment
  #
  # geekosaur: chrome shows one failure mode, qt/kde another, other
  # gtk apps a third, ... I came up with a setting that works for me
  # locally but apparently doesnt work for others, so we joined the
  # other tiling window managers in giving up on setting it at all
  #
  xprop -root -remove _NET_WORKAREA
  command pumpa & r
}

# reviewboard, used at my old job
#rbpipe() { rbt post -o --diff-filename=- "$@"; }
#rbp() { rbt post -o "$@"; }

rebr() {
  sudo ifdown br0
  sudo ifup br0
}


# only run on MAIL_HOST. simpler to keep this on one system.
r2eadd() { # usage: name url
  # initial setup of rss2email:
  # r2e new r2e@iankelling.org
  # that initializes files, and sets default email.
  # symlink to the config doesnt work, so I copied it to /p/c
  # and then use cli option to specify explicit path.
  # Only option changed from default config is to set
  # force-from = True
  #
  # or else for a few feeds, the from address is set by the feed, and
  # if I fail delivery, then I send a bounce message to that from
  # address, which makes me be a spammer.

  r2e add $1 "$2" $1@r2e.iankelling.org
  # get up to date and dont send old entries now:
  r2e run --no-send $1
}
r2e() { command r2e -d /p/c/rss2email.json -c /p/c/rss2email.cfg "$@"; }

rspicy() { # usage: HOST DOMAIN
  # connect to spice vm remote host. use vspicy for local host
  local port
  # shellcheck disable=SC2087
  port=$(ssh $1<<EOF
sudo virsh dumpxml $2|grep "<graphics.*type='spice'" | \
       sed -rn "s/.*port='([0-9]+).*/\1/p"
EOF
      )
  if [[ $port ]]; then
    spicy -h $1 -p $port
  else
    echo "error: no port found. check that the domain is running."
  fi
}


scssl() {
  # s gem install scss-lint
  pushd /a/opt/thoughtbot-guides
  git pull --stat
  popd
  scss-lint -c /a/opt/thoughtbot-guides/style/sass/.scss-lint.yml "$@"
}

skbrc() {
  sk -e 2120,245 /b/ds/brc /b/ds/brc2
}

skaraoke() {
  local tmp out
  out=${2:-${1%.*}.sh}
  tmp=$(mktemp -d)
  script -t -c "mpv --no-config --no-resume-playback --no-terminal --no-audio-display '$1'" $tmp/typescript 2>$tmp/timing
  # todo, the current sleep seems pretty good, but it
  # would be nice to have an empirical measurement, or
  # some better wait to sync up.
  #
  # note: --loop-file=no prevents it from hanging if you have that
  # set to inf the mpv config.
  # --loop=no prevents it from exit code 3 due to stdin if you
  # had it set to inf in mpv config.
  #
  # args go to mpv, for example --volume=80, 50%
  cat >$out <<EOFOUTER
#!/bin/bash
trap "trap - TERM && kill 0" INT TERM ERR; set -e
( sleep .2; scriptreplay <( cat <<'EOF'
$(cat $tmp/timing)
EOF
) <( cat <<'EOF'
$(cat $tmp/typescript)
EOF
))&
base64 -d - <<'EOF'| mpv --loop=no --loop-file=no --no-terminal --no-audio-display "\$@" -
$(base64 "$1")
EOF
kill 0
EOFOUTER
  rm -r $tmp
  chmod +x $out
}

smeld() { # ssh meld usage host1 host2 file
  meld <(ssh $1 cat $3) <(ssh $2 cat $3)
}

spd() {
  PATH=/usr/local/spdhackfix:$PATH command spd "$@"
}

spend() {
  sudo systemctl suspend
}

spamf() { # spamtest on FILE
  local spamcpre spamdpid

  if (( $# != 1 )); then
    e spamtest error: expected 1 arg, filename >&2
    return 1
  fi

  spamdpid=$(systemctl status spamassassin| sed -n '/^ *Main PID:/s/[^0-9]//gp')
  spamcpre="nsenter -t $spamdpid -n -m"
  s $spamcpre sudo -u Debian-exim spamassassin -t --cf='score PYZOR_CHECK 0' <"$1"
}


# mail related
testmail() {
  declare -gi _seq; _seq+=1
  echo "test body" | m mail -s "test mail from $HOSTNAME, $_seq" "${@:-root@localhost}"
  # for testing to send from an external address, you can do for example
  # -fian@iank.bid -aFrom:ian@iank.bid web-6fnbs@mail-tester.com
  # note in exim, you can retry a deferred message
  # s exim -M MSG_ID
  # MSG_ID is in /var/log/exim4/mainlog, looks like 1ccdnD-0001nh-EN
}

# to test sieve, use below command. for fsf mail, see offlineimap-sync script
# make modifications, then copy to live file, use -eW to actually modify mailbox
#
# Another option is to use sieve-test SCRIPT MAIL_FILE. note,
# sieve-test doesnt know about envelopes, Im not sure if sieve-filter does.

# sieve with output filter. arg is mailbox, like INBOX.
# This depends on dovecot conf, notably mail_location in /etc/dovecot/conf.d/10-mail.conf

# always run this first, edit the test files, then run the following
testsieve() {
  sieve-filter ~/sieve/maintest.sieve ${1:-INBOX} delete 2> >(head; tail) >/tmp/testsieve.log  && sed -rn '/^Performed actions:/,/^[^ ]/{/^ /p}' /tmp/testsieve.log | sort | uniq -c
}
runsieve() {
  c ~/sieve; cp personal{test,}.sieve; cp lists{test,}.sieve; cp personalend{test,}.sieve
  sieve-filter -eWv ~/sieve/maintest.sieve ${1:-INBOX} delete &> /tmp/testsieve.log
  sed -r '/^info: filtering:/{h;d};/^info: msgid=$/N;/^info: msgid=.*left message in mailbox [^ ]+$/d;/^info: msgid=/{H;g};/^info: message kept in source mailbox.$/d' /tmp/testsieve.log
}

# usage:
# alertme SUBJECT
# printf "subject\nbody\n" | alertme
alertme() {
  if [[ -t 0 ]]; then
    exim -t <<EOF
From: alertme@b8.nz
To: alerts@iankelling.org
Subject: $*
EOF
  else
    read sub
    { cat <<EOF
From: alertme@b8.nz
To: alerts@iankelling.org
Subject: $sub

EOF
      cat
    } | exim -t
  fi
}
daylertme() {
  if [[ -t 0 ]]; then
    exim -t <<EOF
From: alertme@b8.nz
To: daylert@iankelling.org
Subject: $*
EOF
  else
    read sub
    { cat <<EOF
From: alertme@b8.nz
To: daylert@iankelling.org
Subject: $sub

EOF
      cat
    } | exim -t
  fi
}

# alert when a page goes live. not urgent.
alert200() {
  url="$1"
  tmpdir="$(mktemp -d)"
  cd $tmpdir
  while true; do
    if torsocks wget -q "$url"; then
      alertme $tmpdir
    fi
    sleep $(( 600 + RANDOM % 300 ))
  done
}


# mail related
testexim() {
  # testmail above calls sendmail, which is a link to exim/postfix.
  # its docs dont say a way of adding an argument
  # to sendmail to turn on debug output. We could make a wrapper, but
  # that is a pain. Exim debug args are documented here:
  # http://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
  #
  # http://www.exim.org/exim-html-current/doc/html/spec_html/ch-building_and_installing_exim.html
  # note, for exim daemon, you can turn on debug options by
  # adding -d, etc to COMMONOPTIONS in
  # /etc/default/exim4
  #
  # to specify recipients other than those in to, cc, bcc, you can use the cli args, eg:
  #  exim -t 'test@zroe.org, t2@zroe.org'  <<'EOF'
  #
  # -t = get recipient from header
  exim -d -t <<'EOF'
From: i@dmarctest.b8.nz
To: mailman@dev.fsf.org
Subject: test2
Reply-to: rtest@iankelling.org

This is a test message.
EOF
}

# toggle keyboard
tk() {
  # based on
  # https://askubuntu.com/questions/160945/is-there-a-way-to-disable-a-laptops-internal-keyboard
  id=$(xinput --list  --id-only 'AT Translated Set 2 keyboard')
  if xinput list | grep -F '∼ AT Translated Set 2 keyboard' &>/dev/null; then
    echo enabling keyboard
    # find the first slave keyboard number, they are all the same in my output.
    # if they werent, worst case we would need to save the slave number somewhere
    # when it got disabled.
    slave=$(xinput list | sed -n 's/.*slave \+keyboard (\([0-9]*\)).*/\1/p' | head -n1)
    xinput reattach $id $slave
  else
    xinput float $id
  fi
}

tm() {
  # timer in minutes
  # --no-config
  (sleep $(calc "$* * 60") && mpv --no-config --volume 50 /a/bin/data/alarm.mp3) > /dev/null 2>&1 &
}

trg() { transmission-remote-gtk & r; }
trc() {
  # example, set global upload limit to 100 kilobytes:
  # trc -u 100
  TR_AUTH=":$(jq -r .profiles[0].password ~/.config/transmission-remote-gtk/config.json)" transmission-remote transmission.lan -ne "$@"
}

trysleep() {
  retries="$1"
  sleepsecs="$2"
  shift 2
  for (( i=0; i < retries - 1; i++ )); do
    if "$@"; then
      return 0
    fi
    sleep $sleepsecs
  done
  "$@"
}


tu() {
  local s
  if [[ -e $1 && ! -w $1 || ! -w $(dirname "$1") ]]; then
    s=s;
  fi
  # full path for using in some initial setup steps
  $s /a/exe/teeu "$@"
}

enn() {
  local ecmd pid

  ecmd="/usr/sbin/exim4 -C /etc/exim4/my.conf"
  if ip a show veth1-mail &>/dev/null; then
    s $ecmd "$@"
    return
  fi
  pid=$(pgrep -f "/usr/sbin/exim4 -bd -q30m -C /etc/exim4/my.conf"|h1)
  m s nsenter -t $pid -n -m $ecmd "$@"
}

sdnbash() { # systemd namespace bash
  local unit=$1
  m sudo nsenter -t $(systemctl show --property MainPID --value $unit) -n -m sudo -u $USER -i bash
}

mailnnbash() {
  m sudo nsenter -t $(systemctl show --property MainPID --value mailnn) -n -m sudo -u $USER -i bash
}

mailvpnbash() {
  m sudo nsenter -t $(pgrep -f "/usr/sbin/openvpn .* --config /etc/openvpn/.*mail.conf") -n -m sudo -u $USER -i bash
}
eximbash() {
  local pid
  pid=$(pgrep -f "/usr/sbin/exim4 -bd -q30m -C /etc/exim4/my.conf"|h1)
  if [[ ! $pid ]]; then
    echo "eximbash: failed to find exim pid. systemctl -n 30 status exim4:"
    systemctl status exim4
  fi
  m sudo nsenter -t $pid -n -m
}
spamnn() {
  local spamdpid
  spamdpid=$(systemctl show --property MainPID --value spamassassin)
  m sudo nsenter -t $spamdpid -n -m sudo -u Debian-exim spamassassin "$@"
}
unboundbash() {
  m sudo nsenter -t $(systemctl status unbound| sed -n '/^ *Main PID:/s/[^0-9]//gp') -n -m sudo -u $USER -i bash
}

mailnncheck() {
  local p pid ns mailnn
  # mailvpn would belong on the list if using openvpn
  for p in mailnn unbound dovecot spamassassin exim4 radicale; do
    case $p in
      exim4|radicale)
        pid=$(ps -eo pid,cgroup | grep /system.slice/$p.service | awk '{print $1}')
        ;;
      *)
        pid=$(s systemctl show --property MainPID --value $p)
        ;;
    esac
    echo p=$p pid=$pid
    if [[ ! $pid ]]; then
      echo failed to find pid for $p
      continue
    fi
    if ! ns=$(s readlink /proc/$pid/ns/net); then
      echo failed to find ns for $p pid=$pid
      continue
    fi
    if [[  $mailnn ]]; then
      if [[ $ns != "$mailnn" ]]; then
        echo "$p ns $ns != $mailnn"
      fi
    else
      mailnn=$ns
    fi
  done

}


vpncmd() {
  m sudo -E env "PATH=$PATH" nsenter -t $(pgrep -f "/usr/sbin/openvpn .* --config /etc/openvpn/.*client.conf") -n -m "$@"
}
vpnf() {
  sudo -v
  vpncmd sudo -E -u iank env "PATH=$PATH" abrowser -no-remote -P vpn &
  sleep 5
  r
}
vpn2f() {
  sudo -v
  vpncmd sudo -u iank env "PATH=$PATH" abrowser -no-remote -P vpn2 & r
}

vpni() {
  vpncmd sudo -u iank env "PATH=$PATH" "$@"
}
vpnbash() {
  vpncmd bash
}


vpn() {
  if [[ -e /lib/systemd/system/openvpn-client@.service ]]; then
    local vpn_service=openvpn-client
  else
    local vpn_service=openvpn
  fi

  [[ $1 ]] || { echo need arg; return 1; }
  journalctl --unit=$vpn_service@$1 -f -n0 &
  # sometimes the journal doesnt open until after the vpn output
  # has happened. hoping this fixes that.
  sleep 1
  sudo systemctl start $vpn_service@$1
  # sometimes the ask-password agent does not work and needs a delay.
  sleep .5
  # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=779240
  # noticed around 8-2017 after update from around stretch release
  # on debian testing, even though the bug is much older.
  sudo systemd-tty-ask-password-agent
}

fixu() {
  ls -lad /run/user/1000
  s chmod 700 /run/user/1000; s chown iank.iank /run/user/1000
}

# systemctl is-enabled / status / cat says nothing, instead theres
# some obscure symlink. paths copied from man systemd.unit.
# possibly also usefull, but incomplete, doesnt show units not loaded in memory:
# seru list-dependencies --reverse --all UNIT
sysd-deps() {
  local f
  local -a dirs search
  ngset

  case $1 in
    u)
      search=(
        ~/.config/systemd/user.control/*
        $XDG_RUNTIME_DIR/systemd/user.control/*
        $XDG_RUNTIME_DIR/systemd/transient/*
        $XDG_RUNTIME_DIR/systemd/generator.early/*
        ~/.config/systemd/user/*
        /etc/systemd/user/*
        $XDG_RUNTIME_DIR/systemd/user/*
        /run/systemd/user/*
        $XDG_RUNTIME_DIR/systemd/generator/*
        ~/.local/share/systemd/user/*
        /usr/lib/systemd/user/*
        $XDG_RUNTIME_DIR/systemd/generator.late/*
      )
      ;;
    *)
      search=(
        /etc/systemd/system.control/*
        /run/systemd/system.control/*
        /run/systemd/transient/*
        /run/systemd/generator.early/*
        /etc/systemd/system/*
        /etc/systemd/systemd.attached/*
        /run/systemd/system/*
        /run/systemd/systemd.attached/*
        /run/systemd/generator/*
        /lib/systemd/system/*
        /run/systemd/generator.late/*
      )
      ;;
  esac
  for f in "${search[@]}"; do
    [[ -d $f ]] || continue
    case $f in
      *.requires|*.wants)
        dirs+=("$f")
        ;;
    esac
  done
  # dirs is just so we write out the directory names, ls does it when there is 2 or more dirs.
  case ${#dirs[@]} in
    1)
      echo "${dirs[0]}:"
      ll "${dirs[@]}"
      ;;
    0) : ;;
    *)
      ll "${dirs[@]}"
      ;;
  esac
  ngreset
}

fixvpndns() {
  local link istls
  read _ link _ istls < <(resolvectl dnsovertls tunfsf)
  case $istls in
    yes|no) : ;;
    *) echo fixvpndns error: unexpected istls value: $istls >&2; return 1 ;;
  esac
  s busctl call org.freedesktop.resolve1 /org/freedesktop/resolve1 org.freedesktop.resolve1.Manager SetLinkDNSOverTLS is $link no
}

vpnoff() {
  [[ $1 ]] || { echo need arg; return 1; }
  if [[ -e /lib/systemd/system/openvpn-client@.service ]]; then
    local vpn_service=openvpn-client
  else
    local vpn_service=openvpn
  fi
  sudo systemctl stop $vpn_service@$1
}
vpnoffc() { # vpn off client
  ser stop openvpn-client-tr@client
}
vpnc() {
  ser start openvpn-client-tr@client
}


vspicy() { # usage: VIRSH_DOMAIN
  # connect to vms made with virt-install
  spicy -p $(sudo virsh dumpxml "$1"|grep "<graphics.*type='spice'"|\
               sed -r "s/.*port='([0-9]+).*/\1/")
}

wian() {
  cat-new-files /m/4e/INBOX/new
}

wtr() { curl wttr.in/boston; }

xevkb() { xev -event keyboard; }

# * misc stuff

vrun() {
  printf "running: %s\n" "$*"
  "$@"
}

f=/a/f/ansible-configs/files/common/etc/fsf-workstation-bashrc.sh
if [[ -e $f ]]; then
  # shellcheck disable=SC1090
  source $f
fi

electrum() {
  # https://electrum.readthedocs.io/en/latest/tor.html
  # https://github.com/spesmilo/electrum-docs/issues/129
  s rsync -ptog --chown bitcoin:bitcoin ~/.Xauthority /var/lib/bitcoind/.Xauthority
  sudo -u bitcoin DISPLAY=$DISPLAY XAUTHORITY=/var/lib/bitcoind/.Xauthority /a/opt/electrum-4.2.1-x86_64.AppImage -p socks5:localhost:9050
}
monero() {
  sudo -u bitcoin DISPLAY=$DISPLAY XAUTHORITY=/var/lib/bitcoind/.Xauthority /a/opt/monero-gui-v0.17.3.2/monero-wallet-gui
}


reset-konsole() {
  # we also have a file in /a/c/...konsole...
  local f=$HOME/.config/konsolerc
  setini DefaultProfile profileian.profile "Desktop Entry" $f
  setini Favorites profileian.profile "Favorite Profiles" $f
  setini ShowMenuBarByDefault false KonsoleWindow $f
  setini TabBarPosition Top TabBar $f
}

reset-sakura() {
  while read -r k v; do
    # shellcheck disable=SC2154
    setini $k $v sakura /a/c/subdir_files/.config/sakura/sakura.conf
  done <<'EOF'
colorset1_back rgb(33,37,39)
less_questions true
audible_bell No
visible_bell No
disable_numbered_tabswitch true
scroll_lines 10000000
scrollbar true
EOF
}

# make a page of links found in the files $@. redirect output
linkhtml() {
  gr -oh 'https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)' "$@" | \
    rev | sort -u | rev | sed 's,.*,<a href="\0">\0</a><br\>,'
}

reset-xscreensaver() {
  # except for spash, i set these by setting gui options in
  # xscreensaver-command -demo
  # then finding the corresponding option in .xscreensaver
  # spash, i happened to notice in .xscreensaver
  #
  # dpmsOff, monitor doesnt come back on using old free software supported nvidia card
  cat > /home/iank/.xscreensaver <<'EOF'
mode:           blank
dpmsEnabled:    True
dpmsStandby:    0:07:00
dpmsSuspend:    0:08:00
dpmsOff:        0:00:00
timeout:        0:05:00
lock:           True
lockTimeout:    0:06:00
splash:         False
EOF

}


# * stuff that makes sense to be at the end
if [[ "$SUDOD" ]]; then
  # allow failure, for example if we are sudoing into a user with diffferent/lesser permissions.
  cd "$SUDOD" ||:
  unset SUDOD
elif [[ -d /a ]] && [[ $PWD == "$HOME" ]] && [[ $- == *i* ]]; then
  cd /a
fi




# for mitmproxy to get a newer python.
# commented until i want to use it because it
# noticably slows bash startup
#

mypyenvinit () {
  if [[ $EUID == 0 || ! -e ~/.pyenv/bin ]]; then
    echo "error: dont be root. make sure pyenv is installed"
    return 1
  fi
  export PATH="$HOME/.pyenv/bin:$PATH"
  eval "$(pyenv init -)"
  eval "$(pyenv virtualenv-init -)"
}


export GOPATH=$HOME/go
path-add $GOPATH/bin
path-add /usr/local/go/bin

# I have the git repo and a release. either one should work.
# I have both because I was trying to solve an issue that
# turned out to be unrelated.
# ARDUINO_PATH=/a/opt/Arduino/build/linux/work
export ARDUINO_PATH=/a/opt/arduino-1.8.15
export KALEIDOSCOPE_DIR=/a/opt/Kaleidoscope

# They want to be added to the start, but i think
# that should be avoided unless we really need it.
path-add --end ~/.npm-global


path-add --end $HOME/.cargo/bin

if type -P rg &>/dev/null; then
  # --no-messages because of annoying errors on broken symlinks
  rg() { command rg --no-messages -L -i -M 300 --no-ignore "$@" || return $?; }
  #fails if not exist. ignore
  complete -r rg 2>/dev/null ||:
else
  alias rg=grr
fi



# taken from default changes to bashrc and bash_profile
path-add --end --ifexists $HOME/.rvm/bin
# also had ruby bin dir, but moved that to environment.sh
# so its included in overall env


export BASEFILE_DIR=/a/bin/fai-basefiles

#export ANDROID_HOME=/a/opt/android-home
# https://f-droid.org/en/docs/Installing_the_Server_and_Repo_Tools/
#export USE_SDK_WRAPPER=yes
#PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools

# didnt get drush working, if I did, this seems like the
# only good thing to include for it.
# Include Drush completion.
# if [ -f "/home/ian/.drush/drush.complete.sh" ] ; then
#     source /home/ian/.drush/drush.complete.sh
# fi


# best practice
unset IFS

# https://wiki.archlinux.org/index.php/Xinitrc#Autostart_X_at_login
# i added an extra condition as gentoo xorg guide says depending on
# $DISPLAY is fragile.
if [[ ! $DISPLAY && $XDG_VTNR == 1 ]] && shopt -q login_shell && isarch; then
  exec startx
fi


# ensure no bad programs appending to this file will have an affect
return 0