| 1 | #! /bin/bash -e |
| 2 | |
| 3 | prog=${0##*/} |
| 4 | tmp=${DVDRIP_TMPDIR-${HOME?}/tmp/dvdrip} |
| 5 | archive=${DVDRIP_ARCHIVE-jem.distorted.org.uk:/mnt/dvd/archive} |
| 6 | kill=nil listen=nil verbose=nil bogus=nil opts=; unset dir sub n label |
| 7 | usage () { |
| 8 | cat <<EOF |
| 9 | usage: $prog [-klv] |
| 10 | EOF |
| 11 | } |
| 12 | while getopts "ha:klv" opt; do |
| 13 | case $opt in |
| 14 | h) usage; exit 0 ;; |
| 15 | a) archive=$OPTARG ;; |
| 16 | k) kill=t ;; |
| 17 | l) listen=t; opts=${opts}l ;; |
| 18 | v) verbose=t; opts=${opts}v ;; |
| 19 | *) bogus=t ;; |
| 20 | esac |
| 21 | done |
| 22 | shift $(( $OPTIND - 1 )) |
| 23 | case $# in |
| 24 | 0) ;; |
| 25 | *) bogus=t ;; |
| 26 | esac |
| 27 | case $bogus in t) usage >&2; exit 2 ;; esac |
| 28 | case $verbose in t) set -x ;; esac |
| 29 | |
| 30 | notify () { |
| 31 | colour=$1 message=$2 |
| 32 | echo "$(tput bold; tput setaf $colour)$message$(tput sgr0; tput op)" |
| 33 | } |
| 34 | fail () { notify 1 "!!! $*"; exit 2; } |
| 35 | warn () { notify 5 "??? $*"; } |
| 36 | info () { notify 6 "--- $*"; } |
| 37 | run_setrc () { |
| 38 | notify 2 "+++ $*"; |
| 39 | set +e; nice "$@"; rc=$?; set -e |
| 40 | } |
| 41 | run () { run_setrc "$@"; case $rc in 0) ;; *) fail "$1: exit $rc" ;; esac; } |
| 42 | |
| 43 | case $archive in |
| 44 | *:*) archhost=${archive%%:*} archpath=${archive#*:} ;; |
| 45 | *) unset archhost; archpath=$archive ;; |
| 46 | esac |
| 47 | |
| 48 | archdo () { |
| 49 | op=$1; shift |
| 50 | case ${archhost+t} in |
| 51 | t) |
| 52 | qq= |
| 53 | for a in "$@"; do |
| 54 | qq="${qq:+$qq }'${a//\'/"'\\''"}'" #" # emacs is confused |
| 55 | done |
| 56 | "$op" ssh "$archhost" "$qq" |
| 57 | ;; |
| 58 | *) |
| 59 | "$op" "$@" |
| 60 | ;; |
| 61 | esac |
| 62 | } |
| 63 | archrun () { archdo run "$@"; } |
| 64 | |
| 65 | check () { |
| 66 | info "checking for pending uploads" |
| 67 | while :; do |
| 68 | any=nil |
| 69 | for i in "$tmp"/*; do |
| 70 | if [ -f "$i/dest" ]; then |
| 71 | read dest <"$i/dest"; any=t |
| 72 | mv "$i/dest" "$i/dest.seen" |
| 73 | (info "copy $i/iso -> $dest" |
| 74 | case $dest in |
| 75 | */*) dir=${dest%/*} ;; |
| 76 | *) dir= ;; |
| 77 | esac |
| 78 | archrun mkdir -p "$archpath${dir:+/$dir}" |
| 79 | run rsync -svP --inplace --bwlimit 728k "$i/iso" "$archive/$dest" |
| 80 | run rm -rf "$i") || : |
| 81 | fi |
| 82 | done |
| 83 | case $any in nil) break ;; esac |
| 84 | done |
| 85 | info "all done" |
| 86 | } |
| 87 | |
| 88 | try_kick_daemon () { |
| 89 | sig=$1 |
| 90 | |
| 91 | if [ -f "$tmp/upload.pid" ]; then |
| 92 | daemon=$(cat "$tmp/upload.pid") |
| 93 | case $daemon in |
| 94 | "" | *[!0-9]*) ;; |
| 95 | *) if kill -$sig $daemon >/dev/null 2>&1; then return 0; fi ;; |
| 96 | esac |
| 97 | fi |
| 98 | return 1 |
| 99 | } |
| 100 | |
| 101 | try_kill () { |
| 102 | victim=$1 |
| 103 | |
| 104 | case $victim in |
| 105 | nil) ;; |
| 106 | *) kill $victim >/dev/null 2>&1 || : ;; |
| 107 | esac |
| 108 | } |
| 109 | |
| 110 | case $kill,$listen in |
| 111 | t,t) |
| 112 | fail "inconsistent options \`-k' and \`-l'" |
| 113 | ;; |
| 114 | t,nil) |
| 115 | if ! try_kick_daemon TERM; then fail "failed to kill listener"; fi |
| 116 | ;; |
| 117 | nil,t) |
| 118 | if try_kick_daemon 0; then fail "daemon already running (pid $daemon)"; fi |
| 119 | trap 'try_kill $sleepy; rm -f "$tmp/upload.pid"' EXIT |
| 120 | trap 'info "quitting on user request"; exit 0' INT TERM |
| 121 | trap 'try_kill $sleepy' HUP |
| 122 | echo $$ >"$tmp/upload.pid.new" |
| 123 | mv "$tmp/upload.pid.new" "$tmp/upload.pid" |
| 124 | while :; do |
| 125 | sleep 3600& sleepy=$! |
| 126 | check |
| 127 | wait $sleepy || :; sleepy=nil |
| 128 | done |
| 129 | ;; |
| 130 | nil,nil) |
| 131 | if ! try_kick_daemon HUP; then check; fi |
| 132 | ;; |
| 133 | esac |