nextcloud/nc-inotify-sync

   1 #!/bin/sh
   2
   3 NCC=/usr/bin/nextcloudcmd
   4 if ! [ -x ${NCC} ]; then
   5         echo "There is no ${NCC}."
   6         exit 2
   7 fi
   8
   9 IWAIT=/usr/bin/inotifywait
  10 if ! [ -x ${IWAIT} ]; then
  11         echo "There is no ${IWAIT}."
  12         exit 2
  13 fi
  14
  15 usage() {
  16         cat << EOF
  17
  18 Calls nextcloudcmd to sync a source directory and server url. The script
  19 triggers a synchronization when (i) the source directory was changed or (ii)
  20 after some period, whatever happens first. The nextcloudcmd is called with
  21 netrc for login.
  22
  23 Usage:
  24  $0 [OPTIONS] source_dir server_url
  25  $0 -h
  26
  27 OPTIONS:
  28   -h        Show this text
  29   -o        One-shot instead of looping
  30   -s        Silent, be less verbose
  31   -t SECS   Sync period if nothing changed locally.
  32             Default: 180
  33
  34 EXAMPLE
  35     $0 ~/.vimwiki https://cloud.example.com/remote.php/webdav/vimwiki
  36 EOF
  37 }
  38
  39 NCC_OPTS="-n"
  40 IWAIT_OPTS=""
  41
  42 SILENT=0
  43 ONESHOT=0
  44 PERIOD=180
  45
  46 while getopts "host:" OPTION; do
  47         case "${OPTION}" in
  48                 h)
  49                         usage
  50                         exit
  51                         ;;
  52                 o)
  53                         ONESHOT=1
  54                         ;;
  55                 s)
  56                         SILENT=1
  57                         NCC_OPTS="${NCC_OPTS} -s"
  58                         IWAIT_OPTS="${IWAIT_OPTS} -q"
  59                         ;;
  60                 t)
  61                         PERIOD=${OPTARG}
  62                         ;;
  63                 *)
  64                         usage
  65                         exit 1
  66                         ;;
  67         esac
  68 done
  69 shift $((OPTIND-1))
  70
  71 SOURCE_DIR=$1
  72 SERVER_URL=$2
  73
  74 if [ -z "${SOURCE_DIR}" ] ; then
  75         echo "No source directory given."
  76         usage
  77         exit 1
  78 fi
  79
  80 if [ -z "${SERVER_URL}" ] ; then
  81         echo "No server URL given."
  82         usage
  83         exit 1
  84 fi
  85
  86 NCC_OPTS="${NCC_OPTS} ${SOURCE_DIR} ${SERVER_URL}"
  87
  88 while true; do
  89         echo "About to sync..."
  90         sleep 2
  91         [ "$SILENT" = "1" ] || echo "[$(date '+%F %X')] Perform sync..."
  92
  93         ${NCC} ${NCC_OPTS}
  94
  95         [ "${ONESHOT}" = "1" ] && break
  96
  97         sleep 3
  98         [ "$SILENT" = "1" ] || echo ""
  99         [ "$SILENT" = "1" ] || echo "[$(date '+%F %X')] Wait for ${PERIOD} secs or source directory change."
 100         ${IWAIT} ${IWAIT_OPTS} -t ${PERIOD} -r -e modify -e move -e create -e delete ${SOURCE_DIR}
 101 done