DEST=pci.ids
PCI_COMPRESSED_IDS=
GREP=grep
+VERSION=unknown
+USER_AGENT=update-pciids/$VERSION
+QUIET=
[ "$1" = "-q" ] && quiet=true || quiet=false
exit 1
fi
-if [ "$PCI_COMPRESSED_IDS" = 1 ] ; then
- DECOMP="cat"
- SRC="$SRC.gz"
- GREP=zgrep
+if command -v xz >/dev/null 2>&1 ; then
+ DECOMP="xz -d"
+ SRC="$SRC.xz"
elif command -v bzip2 >/dev/null 2>&1 ; then
DECOMP="bzip2 -d"
SRC="$SRC.bz2"
fi
if command -v curl >/dev/null 2>&1 ; then
- DL="curl -o $DEST.new $SRC"
- ${quiet} && DL="$DL -s -S"
+ ${quiet} && QUIET="-s -S"
+ dl ()
+ {
+ curl -o $DEST.new --user-agent "$USER_AGENT curl" $QUIET $SRC
+ }
elif command -v wget >/dev/null 2>&1 ; then
- DL="wget --no-timestamping -O $DEST.new $SRC"
- ${quiet} && DL="$DL -q"
+ ${quiet} && QUIET="-q"
+ dl ()
+ {
+ wget --no-timestamping -O $DEST.new --user-agent "$USER_AGENT wget" $QUIET $SRC
+ }
elif command -v lynx >/dev/null 2>&1 ; then
- DL="eval lynx -source $SRC >$DEST.new"
+ dl ()
+ {
+ lynx -source -useragent="$USER_AGENT lynx" $SRC >$DEST.new
+ }
else
echo >&2 "update-pciids: cannot find curl, wget or lynx"
exit 1
fi
-if ! $DL ; then
+if ! dl ; then
echo >&2 "update-pciids: download failed"
rm -f $DEST.new
exit 1
fi
-if ! $DECOMP <$DEST.new >$DEST.neww ; then
+if ! $DECOMP <$DEST.new >$DEST.new.plain ; then
echo >&2 "update-pciids: decompression failed, probably truncated file"
exit 1
fi
-if ! $GREP >/dev/null "^C " $DEST.neww ; then
+if ! $GREP >/dev/null "^C " $DEST.new.plain ; then
echo >&2 "update-pciids: missing class info, probably truncated file"
exit 1
fi
if [ -f $DEST ] ; then
ln -f $DEST $DEST.old
# --reference is supported only by chmod from GNU file, so let's ignore any errors
- chmod -f --reference=$DEST.old $DEST.neww 2>/dev/null || true
+ chmod -f --reference=$DEST.old $DEST.new $DEST.new.plain 2>/dev/null || true
+fi
+
+if [ "$PCI_COMPRESSED_IDS" = 1 ] ; then
+ if [ "${SRC%.gz}" != .gz ] ; then
+ # Recompress to gzip
+ gzip <$DEST.new.plain >$DEST.new
+ fi
+ mv $DEST.new $DEST
+ rm -f $DEST.new.plain
+else
+ mv $DEST.new.plain $DEST
+ rm -f $DEST.new
fi
-mv $DEST.neww $DEST
-rm $DEST.new
# Older versions did not compress the ids file, so let's make sure we
# clean that up.