bin/sde-download-get

   1 #!/bin/sh
   2 # --- SDE-COPYRIGHT-NOTE-BEGIN ---
   3 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   4 #
   5 # Filename: bin/sde-download-get
   6 # Copyright (C) 2007 The OpenSDE Project
   7 #
   8 # More information can be found in the files COPYING and README.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; version 2 of the License. A copy of the
  13 # GNU General Public License can be found in the file COPYING.
  14 # --- SDE-COPYRIGHT-NOTE-END ---
  15
  16 [ -n "$SDEROOT" ] ||
  17         export SDEROOT=$( cd "${0%/*}/.."; pwd -P )
  18
  19 . $SDEROOT/lib/libsde.in
  20
  21 download_usage() {
  22         local progname=${0##*/}
  23         cat <<EOT >&2
  24 Usage:  $progname [-vqd] <target> <source>
  25 EOT
  26 }
  27
  28 shortopts='nqv'
  29 longopts='dry-run,quiet,verbose'
  30 options=$( getopt -o "$shortopts" -l "$longopts" -- "$@" )
  31
  32 if [ $? -ne 0 ]; then
  33         download_usage
  34         exit -1
  35 fi
  36
  37 # load new arguments list
  38 eval set -- "$options"
  39
  40 dryrun=
  41 verbose=1
  42 target=
  43 source=
  44
  45 while [ $# -gt 0 ]; do
  46         case "$1" in
  47                 --)     shift; break ;;
  48
  49                 -n|--dry-run)
  50                         dryrun="yes" ;;
  51                 -v|--verbose)
  52                         let verbose++ ;;
  53                 -q|--quiet)
  54                         let verbose-- ;;
  55         esac
  56         shift
  57 done
  58
  59 # now take the real arguments
  60 if [ $# -lt 2 ]; then
  61         echo_error "Not enough arguments given."
  62         download_usage
  63         exit -1
  64 fi
  65
  66 target="$1"; shift
  67 protocol=${1%%:*}
  68
  69 # debug output
  70 [ $verbose -le 1 ] || echo_info "($protocol) $@"
  71
  72 # find the right handler
  73 if [ -x "$SDEROOT/bin/sde-download-$protocol" ]; then
  74     handler="$SDEROOT/bin/sde-download-$protocol"
  75 else
  76     handler=$( grep -l "^#Protocol: $protocol\$" "$SDEROOT/bin"/sde-download-* 2> /dev/null )
  77 fi
  78 handleropt=
  79
  80 [ -x "$handler" ] || echo_abort 2 "$protocol: protocol unhandled"
  81
  82 if [ -n "$dryrun" ]; then
  83         echo "(${handler##*/}) $source"
  84 elif [ ! -e "$target.lock" ]; then
  85
  86         # arguments for the handler, reduce the verbosity on one level
  87         if [ $verbose -gt 2 ]; then
  88                 handleropt="-v"
  89         elif [ $verbose -lt 0 ]; then
  90                 handleropt="-q"
  91         fi
  92
  93         exec "$handler" $handleropt -- "$target" "$@"
  94 fi