update-smart-drivedb.in

   1 #! /bin/sh
   2 #
   3 # smartmontools drive database update script
   4 #
   5 # Copyright (C) 2010-11 Christian Franke <smartmontools-support@lists.sourceforge.net>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2, or (at your option)
  10 # any later version.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # (for example COPYING); If not, see <http://www.gnu.org/licenses/>.
  14 #
  15 # $Id: update-smart-drivedb.in 3294 2011-03-16 21:36:58Z chrfranke $
  16 #
  17
  18 set -e
  19
  20 # Set by config.status
  21 PACKAGE="@PACKAGE@"
  22 VERSION="@VERSION@"
  23 prefix="@prefix@"
  24 exec_prefix="@exec_prefix@"
  25 sbindir="@sbindir@"
  26 datarootdir="@datarootdir@"
  27 datadir="@datadir@"
  28 drivedbdir="@drivedbdir@"
  29
  30 # Download tools
  31 os_dltools="@os_dltools@"
  32
  33 # drivedb.h update branch
  34 BRANCH="@DRIVEDB_BRANCH@"
  35
  36 # Default drivedb location
  37 DEST="$drivedbdir/drivedb.h"
  38
  39 # Smartctl used for syntax check
  40 SMARTCTL="$sbindir/smartctl"
  41
  42 # Trac repository browser (does not return HTTP 404 errors)
  43 #SRCEXPR='http://sourceforge.net/apps/trac/smartmontools/export/HEAD/$location/smartmontools/drivedb.h'
  44
  45 # ViewVC repository browser
  46 SRCEXPR='http://smartmontools.svn.sourceforge.net/viewvc/smartmontools/$location/smartmontools/drivedb.h?revision=HEAD'
  47
  48
  49 # Parse options
  50 q="-q "
  51 case "$1" in
  52   -v) q=; shift ;;
  53 esac
  54
  55 case "$*" in
  56   -*|*\ *)
  57     cat <<EOF
  58 smartmontools $VERSION drive database update script
  59
  60 Usage: $0 [-v] [DESTFILE]
  61
  62   -v    verbose output
  63
  64 Updates $DEST
  65 or DESTFILE from smartmontools SVN repository.
  66 Tries to download first from branch $BRANCH
  67 and then from trunk.
  68 EOF
  69     exit 1
  70     ;;
  71
  72   "") ;;
  73   *)  DEST="$1" ;;
  74 esac
  75
  76 # Abort if 'which' is not available
  77 which which >/dev/null || exit 1
  78
  79 # Find download tool
  80 DOWNLOAD=
  81 for t in $os_dltools; do
  82   if which $t >/dev/null 2>/dev/null; then
  83     case $t in
  84       curl)  DOWNLOAD="curl ${q:+-s }"'-f -o "$DEST.new" "$SRC"' ;;
  85       lynx)  DOWNLOAD='lynx -source "$SRC" >"$DEST.new"' ;;
  86       wget)  DOWNLOAD="wget $q"'-O "$DEST.new" "$SRC"' ;;
  87       fetch) DOWNLOAD='fetch -o "$DEST.new" "$SRC"' ;; # FreeBSD
  88       ftp)   DOWNLOAD='ftp -o "$DEST.new" "$SRC"' ;; # OpenBSD
  89     esac
  90     break
  91   fi
  92 done
  93 if [ -z "$DOWNLOAD" ]; then
  94   echo "$0: found none of: $os_dltools" >&2; exit 1
  95 fi
  96
  97 # Try possible branch first, then trunk
  98 for location in "branches/$BRANCH" "trunk"; do
  99   test -n "$q" || echo "Download from $location"
 100
 101   errmsg=
 102   rm -f "$DEST.new"
 103   SRC="`eval echo "$SRCEXPR"`"
 104
 105   if (eval $DOWNLOAD); then :; else
 106     errmsg="download from $location failed (HTTP error)"
 107     continue
 108   fi
 109   if grep -i 'ViewVC Exception' "$DEST.new" >/dev/null; then
 110     errmsg="download from $location failed (ViewVC error)"
 111     continue
 112   fi
 113
 114   break
 115 done
 116
 117 if [ -n "$errmsg" ]; then
 118   rm -f "$DEST.new"
 119   echo "$0: $errmsg" >&2
 120   exit 1
 121 fi
 122
 123 # Adjust timestamp and permissions
 124 touch "$DEST.new"
 125 chmod 0644 "$DEST.new"
 126
 127 # Check syntax
 128 rm -f "$DEST.error"
 129 if $SMARTCTL -B "$DEST.new" -P showall >/dev/null; then :; else
 130   mv "$DEST.new" "$DEST.error"
 131   echo "$DEST.error: rejected by $SMARTCTL, probably no longer compatible" >&2
 132   exit 1
 133 fi
 134
 135 # Keep old file if identical, ignore differences in Id string
 136 rm -f "$DEST.lastcheck"
 137 if [ -f "$DEST" ]; then
 138   if cat "$DEST" | sed 's|\$''Id''[^$]*\$|$''Id''$|' | cmp - "$DEST.new" >/dev/null; then
 139     rm -f "$DEST.new"
 140     touch "$DEST.lastcheck"
 141     echo "$DEST is already up to date"
 142     exit 0
 143   fi
 144   mv "$DEST" "$DEST.old"
 145 fi
 146
 147 mv "$DEST.new" "$DEST"
 148
 149 echo "$DEST updated from $location"
 150