X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=update-pciids.sh;h=607502ad45a51a033cc336eac5ca538e2af91202;hb=93c1c6bcc9e2b52652b859986354ddd54ef34058;hp=b89aaea26e6f20db70a7236e89570f0401b28a28;hpb=97add73f9cdfea302a5f71266add65bfa4e746d5;p=pciutils.git

diff --git a/update-pciids.sh b/update-pciids.sh
index b89aaea..607502a 100755
--- a/update-pciids.sh
+++ b/update-pciids.sh
@@ -1,12 +1,16 @@
 #!/bin/sh
 
-[ "$1" = "-q" ] && quiet=true || quiet=false
-
 set -e
-SRC="http://pci-ids.ucw.cz/v2.2/pci.ids"
+
+SRC="https://pci-ids.ucw.cz/v2.2/pci.ids"
 DEST=pci.ids
 PCI_COMPRESSED_IDS=
 GREP=grep
+VERSION=unknown
+USER_AGENT=update-pciids/$VERSION
+QUIET=
+
+[ "$1" = "-q" ] && quiet=true || quiet=false
 
 # if pci.ids is read-only (because the filesystem is read-only),
 # then just skip this whole process.
@@ -15,56 +19,74 @@ if ! touch ${DEST} >/dev/null 2>&1 ; then
 	exit 1
 fi
 
-if [ "$PCI_COMPRESSED_IDS" -eq 1 ] ; then
-	DECOMP="cat"
-	SRC="$SRC.gz"
-	GREP=zgrep
-elif which bzip2 >/dev/null 2>&1 ; then
+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"
-elif which gzip >/dev/null 2>&1 ; then
+elif command -v gzip >/dev/null 2>&1 ; then
 	DECOMP="gzip -d"
 	SRC="$SRC.gz"
 else
 	DECOMP="cat"
 fi
 
-if which curl >/dev/null 2>&1 ; then
-	DL="curl -o $DEST.new $SRC"
-    ${quiet} && DL="$DL -s -S"
-elif which wget >/dev/null 2>&1 ; then
-	DL="wget --no-timestamping -O $DEST.new $SRC"
-	${quiet} && DL="$DL -q"
-elif which lynx >/dev/null 2>&1 ; then
-	DL="eval lynx -source $SRC >$DEST.new"
+if command -v curl >/dev/null 2>&1 ; then
+	${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
+	${quiet} && QUIET="-q"
+	dl ()
+	{
+		wget --no-timestamping -O $DEST.new --user-agent "$USER_AGENT wget" $QUIET $SRC
+	}
+elif command -v lynx >/dev/null 2>&1 ; then
+	dl ()
+	{
+		lynx -source -useragent="$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
-	mv $DEST $DEST.old
+	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.