X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=brc2;h=5c86f00f8845b7c5f18885922fdb06c77f300cb7;hb=ef708570f1f42d9bb54ddc5b7b0432de4f761eb0;hp=fbe19ebbcca468d00b2f2caa942466cd83bf88ec;hpb=0f9a999aa601cd77343a3e08cf0c6c4f9f943813;p=distro-setup

diff --git a/brc2 b/brc2
index fbe19eb..5c86f00 100644
--- a/brc2
+++ b/brc2
@@ -729,6 +729,59 @@ mpvrpc-percent-pos() {
   mpvrpco '{ "command": ["get_property", "percent-pos"] }' | jq .data | sed 's/\..*/%/' 2>/dev/null ||:
 }
 
+# run if not running.
+#
+# Note: this does not work with shell scripts as they are normally
+# invoked, because the ps output has the interpreter at the start.
+# A workaround is to invoke the command in that format, or we could
+# do various other workarounds.
+#
+# background, this relies on how ps converts newlines in arguments to spaces, and
+# assumes we won't be searching for a command with spaces in its arguments
+rinr() {
+  if ps h -o args -C "${1##*/}" | grep -Fxqv "$*" &>/dev/null || [[ $? == 141 ]]; then
+    "$@"
+  fi
+}
+# variation of above: run or wait if running
+rowir() {
+  local pid
+  pid=$(ps h -o 'pid,args' -C "${1##*/}" | sed -r 's/^[[:space:]]*([0-9]+)[[:space:]](.*)/\1\n\2/' | grep -B1 -Fx "$*" | head -n1 ||: )
+  if [[ $pid ]]; then
+    # https://unix.stackexchange.com/questions/427115/listen-for-exit-of-process-given-pid
+    tail --pid="$pid" -f /dev/null
+  else
+    "$@"
+  fi
+}
+
+mpvrpc-loadfile() {
+  local path nextpath cachedir finalpath nextpath count
+  cachedir=$HOME/.iank-music-cache
+  path="$1"
+  nextpath="$2"
+
+  # note: logic duplicated in beetpull
+  local remote_p=true
+  if [[ $HOSTNAME == kd ]]; then
+    remote_p=false
+  fi
+
+  if $remote_p; then
+    finalpath="$cachedir${path#/i/m}"
+    rowir rsync --partial -a --inplace --mkpath "b8.nz:$path" "$finalpath"
+    finalnextpath="$cachedir${nextpath#/i/m}"
+    count=$(pgrep -a -f "^rsync --partial -a --inplace --mkpath $cachdir" || [[ $? == 1 ]] )
+    # allow us to start 2 rsyncs in the background
+    if [[ $count == [01] ]]; then
+      rinr rsync --partial -a --inplace --mkpath "b8.nz:$nextpath" "$finalnextpath" &
+    fi
+  else
+    finalpath="$path"
+  fi
+  mpvrpc '{ "command": ["loadfile", "'"$finalpath"'"] }'
+}
+
 # tag with beets.
 # usage: beetag [-r] [-s] QUERY
 # it lists the query, reads an input char for tagging one by one.
@@ -787,7 +840,8 @@ beetag()  {
   fi
   ### end arg processing ###
 
-  beetpull
+  # note: I used to do beetpull here, but mpv + ssfs on slowish
+  # connection leads to bad/buggy result.
 
   do_rare_genres=false
   volume=70
@@ -916,13 +970,13 @@ beetag()  {
         first_play=false
         for (( i=0; i<20; i++ )); do
           if [[ $(mpvrpco '{ "command": ["get_property", "idle-active"] }' 2>/dev/null | jq .data) == true ]]; then
-            mpvrpc '{ "command": ["loadfile", "'"$path"'"] }' 2>/dev/null
+            mpvrpc-loadfile "$path" 2>/dev/null
             break
           fi
           sleep .1
         done
       else
-        mpvrpc '{ "command": ["loadfile", "'"$path"'"] }'
+        mpvrpc-loadfile "$path"
       fi
       erasable_line=false
     fi
@@ -960,7 +1014,7 @@ beetag()  {
             doplay=false
           else
             doplay=true
-            mpvrpc '{ "command": ["loadfile", "'"$path"'"] }'
+            mpvrpc-loadfile "$path"
             erasable_line=false
           fi
           beetag-nostatus 1
@@ -1806,6 +1860,74 @@ satoshi() { # $1 satoshi in usd
     printf "$%.2f\n" "$(echo "scale=10; $price * $1"| bc -l)"
   fi
 }
+
+# Bitcoin holds open the wallet file. this causes problems for a
+# secondary computer running bitcoin and receiving a backup (as of
+# 2023). However, in 2024-02, I ran a backup where a receiving machine
+# had the wallet enabled and there was no error, so I don't know if this
+# is still an issue or likely it is an inconsistent behavior.
+#
+# As a workaround, this function is for enabling the wallet when I want
+# to use it and leave it disabled otherwise.
+walleton() {
+  local active
+  active=false
+  no_on=true
+  if [[ ! $(readlink -f /var/lib/bitcoind/wallets) == /q/wallets ]]; then
+    if systemctl --quiet is-active bitcoind; then
+      if [[ -e /tmp/no-bitcoinon ]]; then
+        no_on=true
+      else
+        if [[ $EUID == 0 ]]; then
+          m install -T -o iank -g iank /dev/null /tmp/no-bitcoinon
+        else
+          m touch /tmp/no-bitcoinon
+        fi
+      fi
+      active=true
+      m ser stop bitcoind
+    fi
+    m s ln -s /q/wallets /var/lib/bitcoind
+    sudo chown -h bitcoin:bitcoin /var/lib/bitcoind/wallets
+    if $active; then
+      m ser start bitcoind
+      if ! $no_on; then
+        m rm /tmp/no-bitcoinon
+      fi
+    fi
+  fi
+}
+walletoff() {
+  local active
+  active=false
+  no_on=true
+  if [[ $(readlink -f /var/lib/bitcoind/wallets) == /q/wallets ]]; then
+    if systemctl --quiet is-active bitcoind; then
+      if [[ -e /tmp/no-bitcoinon ]]; then
+        no_on=true
+      else
+        if [[ $EUID == 0 ]]; then
+          m install -T -o iank -g iank /dev/null /tmp/no-bitcoinon
+        else
+          m touch /tmp/no-bitcoinon
+        fi
+      fi
+      active=true
+      m ser stop bitcoind
+    else
+      echo note: bitcoind not active
+    fi
+    m rm /var/lib/bitcoind/wallets
+    if $active; then
+      # note, starting bitcoin always fails, but it actually
+      # succeeds. But this is strangely not consistent.
+      m ser start bitcoind
+      if ! $no_on; then
+        m rm /tmp/no-bitcoinon
+      fi
+    fi
+  fi
+}
 #### end bitcoin related things
 
 
@@ -1879,10 +2001,6 @@ digme() {
   digdiff @ns{1,2}.iankelling.org "$@"
 }
 
-tsr() { # ts run
-  "$@" |& ts || return $?
-}
-
 dup() {
   local ran_d
   ran_d=false
@@ -2411,6 +2529,7 @@ vpn_ips[x2]=13
 vpn_ips[kw]=27
 vpn_ips[bo]=28
 vpn_ips[frodo]=34
+vpn_ips[s23b]=49
 
 vpn-ips-update() {
   local host ipsuf f files
@@ -3112,7 +3231,7 @@ j() {
   "$@" |& pee "xclip -r -selection clipboard" cat
 }
 
-# x copy
+# xorg copy. copy text piped into command
 xc() {
   xclip -r -selection clipboard
 }
@@ -3289,10 +3408,7 @@ spamf() { # spamtest on FILE
     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"
+  sdncmdroot spamassassin sudo -u Debian-exim spamassassin -t --cf='score PYZOR_CHECK 0' <"$1"
 }
 
 
@@ -3536,16 +3652,16 @@ tu() {
   $s /a/exe/teeu "$@"
 }
 
+# execute exim in its namespace. Useful args like -Mrm
 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
+  else
+    sdncmdroot exim4 $ecmd "$@"
   fi
-  pid=$(pgrep -f "/usr/sbin/exim4 -bd -q10m -C /etc/exim4/my.conf"|h1)
-  m s nsenter -t $pid -n -m $ecmd "$@"
 }
 
 # get pid of systemd service
@@ -3587,7 +3703,7 @@ sdnbash() { # systemd namespace bash
   m sudo nsenter -t $pid -n -m sudo -u $USER -i bash
 }
 
-sdnbashroot() { # systemd namespace bash
+sdnbashroot() { # systemd namespace bash as root
   local unit pid
   if (( $# != 1 )); then
     echo $0: error wrong number of args >&2
@@ -3599,9 +3715,11 @@ sdnbashroot() { # systemd namespace bash
 }
 
 
-sdncmd() { # systemd namespace cmd
+# systemd namespace cmd
+# usage: UNIT CMD...
+sdncmd() {
   local unit pid tmpf
-  if (( $# <= 2 )); then
+  if (( $# <= 1 )); then
     echo $0: error wrong number of args >&2
     return 1
   fi
@@ -3615,6 +3733,18 @@ sdncmd() { # systemd namespace cmd
   m sudo nsenter -t $pid -n -m sudo -u $USER -i bash -c ". $tmpf & rm $tmpf"
 }
 
+sdncmdroot() { # systemd namespace root command
+  local unit pid
+  if (( $# < 2 )); then
+    echo $0: error wrong number of args >&2
+    return 1
+  fi
+  unit=$1
+  shift
+  pid=$(servicepid $unit)
+  m sudo nsenter -t $pid -n -m "$@"
+}
+
 
 mailnnbash() {
   sdnbash mailnn
@@ -3626,13 +3756,7 @@ mailnnbash() {
 # }
 
 eximbash() {
-  local pid
-  pid=$(pgrep -f "/usr/sbin/exim4 -bd -q10m -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
+  sdnbashroot exim4
 }
 spamnn() {
   local spamdpid
@@ -3640,7 +3764,7 @@ spamnn() {
   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
+  sdnbashroot unbound
 }
 
 nmtc() {
@@ -3674,14 +3798,13 @@ mailnncheck() {
 
 
 vpncmd() {
-  m sudo -E env "PATH=$PATH" nsenter -t "$(pgrep -f "/usr/sbin/openvpn .* --config /etc/openvpn/.*client.conf")" -n "$@"
+  sdncmd openvpn-client-tr@client.service "$@"
 }
-
 vpni() {
-  vpncmd sudo -u iank env "PATH=$PATH" "$@"
+  sdncmd openvpn-client-tr@client.service bash
 }
 vpnbash() {
-  vpncmd bash
+  sdncmdroot openvpn-client-tr@client.service bash
 }
 
 
@@ -3719,17 +3842,15 @@ fixu() {
 um() {
   local sink card
   sink=$(pactl get-default-sink)
-  if [[ $sink != auto_null ]]; then
-    return
+  if [[ $sink == auto_null ]]; then
+    # guessing there is just one with an off profile. otherwise we will
+    # need some other solution, like storing the card identifier that we
+    # muted with nap.
+    card=$(pacmd list-cards | sed -n '/^[[:space:]]*index:/{s/^[[:space:]]*index://;h};/^[[:space:]]*active profile: <off>$/{g;p;q}')
+    m pacmd set-card-profile "$card" output:analog-stereo
   fi
 
-  # guessing there is just one with an off profile. otherwise we will
-  # need some other solution, like storing the card identifier that we
-  # muted with nap.
-  card=$(pacmd list-cards | sed -n '/^[[:space:]]*index:/{s/^[[:space:]]*index://;h};/^[[:space:]]*active profile: <off>$/{g;p;q}')
-  m pacmd set-card-profile "$card" output:analog-stereo
-
-  pactl set-sink-mute @DEFAULT_SINK@ false
+  m pactl set-sink-mute @DEFAULT_SINK@ false
   rm -f /tmp/ianknap
 }
 
@@ -3926,6 +4047,16 @@ reml() { # with limit to 5 matches per file
   rgv -m 5 -- "$*" $paths /a/t.org /p/w.org /a/work.org ||:
 }
 
+# re on common fsf files
+ref() {
+  local paths
+  paths="/f/gluestick /f/brains /f/s /c"
+  find $paths -not \( -name .svn -prune -o -name .git -prune \
+       -o -name .hg -prune -o -name .editor-backups -prune \
+       -o -name .undo-tree-history -prune \) 2>/dev/null | grep -iP --color=auto -- "$*" ||:
+  rgv -- "$*" $paths /a/work.org ||:
+}
+
 
 # for use in /f/bind
 fupzone() {
@@ -4195,6 +4326,36 @@ hssh-update() {
   fi
 }
 
+noi3bar() {
+  touch /tmp/noi3bar
+}
+i3bar() {
+  rm -fv /tmp/noi3bar
+}
+
+# example:
+# <#part type="image/jpeg" filename="/home/iank/2023-12-24-ski-trip.jpg" disposition=attachment> <#/part>
+#
+attach-txt() {
+  local f
+  for f; do
+    if [[ ! -s $f ]]; then
+      e "error: empty or non-existent file $f"
+      return 1
+    fi
+  done
+  for f; do
+    echo '<#part type="image/jpeg" filename="'"$(rl "$f")"'" disposition=attachment> <#/part>'
+  done | ec
+}
+
+ctof() {
+  units "tempC($1)" tempF
+}
+
+ftoc() {
+  units "tempF($1)" tempC
+}
 
 export BASEFILE_DIR=/a/bin/fai-basefiles