1#!/bin/sh 2 3set -e 4 5SRC="https://pci-ids.ucw.cz/v2.2/pci.ids" 6DEST=pci.ids 7PCI_COMPRESSED_IDS= 8GREP=grep 9VERSION=unknown 10USER_AGENT=update-pciids/$VERSION 11QUIET= 12 13[ "$1" = "-q" ] && quiet=true || quiet=false 14 15# if pci.ids is read-only (because the filesystem is read-only), 16# then just skip this whole process. 17if ! touch ${DEST} >/dev/null 2>&1 ; then 18 ${quiet} || echo "${DEST} is read-only, exiting." 1>&2 19 exit 1 20fi 21 22if command -v xz >/dev/null 2>&1 ; then 23 DECOMP="xz -d" 24 SRC="$SRC.xz" 25elif command -v bzip2 >/dev/null 2>&1 ; then 26 DECOMP="bzip2 -d" 27 SRC="$SRC.bz2" 28elif command -v gzip >/dev/null 2>&1 ; then 29 DECOMP="gzip -d" 30 SRC="$SRC.gz" 31else 32 DECOMP="cat" 33fi 34 35if command -v curl >/dev/null 2>&1 ; then 36 ${quiet} && QUIET="-s -S" 37 dl () 38 { 39 curl -o $DEST.new --user-agent "$USER_AGENT curl" $QUIET $SRC 40 } 41elif command -v wget >/dev/null 2>&1 ; then 42 ${quiet} && QUIET="-q" 43 dl () 44 { 45 wget --no-timestamping -O $DEST.new --user-agent "$USER_AGENT wget" $QUIET $SRC 46 } 47elif command -v lynx >/dev/null 2>&1 ; then 48 dl () 49 { 50 lynx -source -useragent="$USER_AGENT lynx" $SRC >$DEST.new 51 } 52else 53 echo >&2 "update-pciids: cannot find curl, wget or lynx" 54 exit 1 55fi 56 57if ! dl ; then 58 echo >&2 "update-pciids: download failed" 59 rm -f $DEST.new 60 exit 1 61fi 62 63if ! $DECOMP <$DEST.new >$DEST.new.plain ; then 64 echo >&2 "update-pciids: decompression failed, probably truncated file" 65 exit 1 66fi 67 68if ! $GREP >/dev/null "^C " $DEST.new.plain ; then 69 echo >&2 "update-pciids: missing class info, probably truncated file" 70 exit 1 71fi 72 73if [ -f $DEST ] ; then 74 ln -f $DEST $DEST.old 75 # --reference is supported only by chmod from GNU file, so let's ignore any errors 76 chmod -f --reference=$DEST.old $DEST.new $DEST.new.plain 2>/dev/null || true 77fi 78 79if [ "$PCI_COMPRESSED_IDS" = 1 ] ; then 80 if [ "${SRC%.gz}" != .gz ] ; then 81 # Recompress to gzip 82 gzip <$DEST.new.plain >$DEST.new 83 fi 84 mv $DEST.new $DEST 85 rm -f $DEST.new.plain 86else 87 mv $DEST.new.plain $DEST 88 rm -f $DEST.new 89fi 90 91# Older versions did not compress the ids file, so let's make sure we 92# clean that up. 93if [ ${DEST%.gz} != ${DEST} ] ; then 94 rm -f ${DEST%.gz} ${DEST%.gz}.old 95fi 96 97${quiet} || echo "Done." 98