update-pciids.sh

   1 #!/bin/sh
   2
   3 set -e
   4 SRC="http://pciids.sourceforge.net/pci.ids"
   5 DEST=pci.ids
   6
   7 if which bzip2 >/dev/null ; then
   8         DECOMP="bzip2 -d"
   9         SRC="$SRC.bz2"
  10 elif which gzip >/dev/null ; then
  11         DECOMP="gzip -d"
  12         SRC="$SRC.gz"
  13 else
  14         DECOMP="cat"
  15 fi
  16
  17 if which wget >/dev/null ; then
  18         DL="wget -O $DEST.new $SRC"
  19 elif which lynx >/dev/null ; then
  20         DL="eval lynx -source $SRC >$DEST.new"
  21 else
  22         echo >&2 "update-pciids: cannot find wget nor lynx"
  23         exit 1
  24 fi
  25
  26 if ! $DL ; then
  27         echo >&2 "update-pciids: download failed"
  28         rm -f $DEST.new
  29         exit 1
  30 fi
  31
  32 if ! $DECOMP <$DEST.new >$DEST.neww ; then
  33         echo >&2 "update-pciids: decompression failed, probably truncated file"
  34         exit 1
  35 fi
  36
  37 if ! grep >/dev/null "^C " $DEST.neww ; then
  38         echo >&2 "update-pciids: missing class info, probably truncated file"
  39         exit 1
  40 fi
  41
  42 if [ -f $DEST ] ; then
  43         mv $DEST $DEST.old
  44 fi
  45 mv $DEST.neww $DEST
  46 rm $DEST.new
  47
  48 echo "Done."