[packages/rpm.git] / rpm-compress-doc

#!/bin/sh
#
# Compress documentation files found in $DOCDIR. Omit some files we don't
# want to get compressed.
#
# /etc/rpm/noautocompressdoc and --noautocompressdoc= option can contain
# whitespace delimated list of patters to omit.
#

#set -x

COMPRESS_CMD="gzip -9nf"
EXCLUDE_SUFFIXES="htm html jpg jpeg png gif pdf css dia js abw HTM JPG PNG GIF PDF CSS JS"
EXCLUDE_MASKS=
RECOMPRESS_BZIP2=yes

nocompressdoc=''
while [ $# -gt 0 ]; do
	case "$1" in
	  --noautocompressdoc=*)
		EXCLUDE_MASKS=`echo "${1#--noautocompressdoc=}" | sed -e 's/^ *//;s/ *$//;s/ \+/|/g'`
	esac
	shift
done

if [ -r /etc/rpm/noautocompressdoc ]; then
	exclude=$(cat /etc/rpm/noautocompressdoc | grep -v '^#' | xargs echo | sed -e 's/^ *//;s/ *$//;s/ \+/|/g')
	if [ -n "${exclude}" ]; then
		if [ -n "${EXCLUDE_MASKS}" ]; then
			EXCLUDE_MASKS="${EXCLUDE_MASKS}|${exclude}"
		else
			EXCLUDE_MASKS="${exclude}"
		fi
	fi
fi

if [ "$DOCDIR" = "" ] ; then
	echo '$DOCDIR not set; exiting.'
	exit 1
fi

cd $DOCDIR

echo "Compressing documentation in $DOCDIR..."

if test "$EXCLUDE_MASKS" ; then
	echo "Excluding pattern '$EXCLUDE_MASKS'"
fi

FIND_CMD="find . -type f "
for SUF in $EXCLUDE_SUFFIXES ; do
	FIND_CMD="$FIND_CMD -a -not -name '*.$SUF'"
done

eval $FIND_CMD | while read FILENAME ; do
	if test -n "$EXCLUDE_MASKS" ; then
		if eval "case \$(basename \"$FILENAME\") in
			 $EXCLUDE_MASKS ) true ;;
			 * ) false ;;
			 esac" ; then
			continue
		fi
	fi
	case "$FILENAME" in
	*.gz | *.Z)
		gzip -d "$FILENAME"
		FILENAME=$(echo "$FILENAME" | sed -e 's/\.gz$//; s/\.Z$//')
		;;
	*.bz2)
		if [ "$RECOMPRESS_BZIP2" = yes ] ; then
			bzip2 -d "$FILENAME"
			FILENAME=$(echo "$FILENAME" | sed -e 's/\.bz2$//')
		else
			continue
		fi
		;;
	esac

	$COMPRESS_CMD "$FILENAME"

	echo -n "$FILENAME "
done

echo
echo "Documentation compressed."
Commit	Line	Data
51417291 MM	1	#!/bin/sh
	2	#
	3	# Compress documentation files found in $DOCDIR. Omit some files we don't
	4	# want to get compressed.
	5	#
a4852742 JB	6	# /etc/rpm/noautocompressdoc and --noautocompressdoc= option can contain
a4852742 JB	7	# whitespace delimated list of patters to omit.
51417291 MM	8	#
	9
	10	#set -x
	11
	12	COMPRESS_CMD="gzip -9nf"
c4cafc90	13	EXCLUDE_SUFFIXES="htm html jpg jpeg png gif pdf css dia js abw HTM JPG PNG GIF PDF CSS JS"
51417291 MM	14	EXCLUDE_MASKS=
	15	RECOMPRESS_BZIP2=yes
	16
a4852742 JB	17	nocompressdoc=''
	18	while [ $# -gt 0 ]; do
	19	case "$1" in
	20	--noautocompressdoc=*)
	21	EXCLUDE_MASKS=`echo "${1#--noautocompressdoc=}" \| sed -e 's/^ //;s/ $//;s/ \+/\|/g'`
	22	esac
	23	shift
	24	done
	25
	26	if [ -r /etc/rpm/noautocompressdoc ]; then
	27	exclude=$(cat /etc/rpm/noautocompressdoc \| grep -v '^#' \| xargs echo \| sed -e 's/^ //;s/ $//;s/ \+/\|/g')
	28	if [ -n "${exclude}" ]; then
	29	if [ -n "${EXCLUDE_MASKS}" ]; then
	30	EXCLUDE_MASKS="${EXCLUDE_MASKS}\|${exclude}"
	31	else
	32	EXCLUDE_MASKS="${exclude}"
	33	fi
	34	fi
51417291 MM	35	fi
	36
	37	if [ "$DOCDIR" = "" ] ; then
	38	echo '$DOCDIR not set; exiting.'
	39	exit 1
	40	fi
	41
	42	cd $DOCDIR
	43
	44	echo "Compressing documentation in $DOCDIR..."
	45
	46	if test "$EXCLUDE_MASKS" ; then
	47	echo "Excluding pattern '$EXCLUDE_MASKS'"
	48	fi
	49
	50	FIND_CMD="find . -type f "
	51	for SUF in $EXCLUDE_SUFFIXES ; do
ca04d41f	52	FIND_CMD="$FIND_CMD -a -not -name '*.$SUF'"
51417291 MM	53	done
51417291 MM	54
ca04d41f	55	eval $FIND_CMD \| while read FILENAME ; do
51417291 MM	56	if test -n "$EXCLUDE_MASKS" ; then
	57	if eval "case \$(basename \"$FILENAME\") in
	58	$EXCLUDE_MASKS ) true ;;
	59	* ) false ;;
	60	esac" ; then
	61	continue
	62	fi
	63	fi
c4cafc90	64	case "$FILENAME" in
51417291	65	.gz \| .Z)
c4cafc90	66	gzip -d "$FILENAME"
c4cafc90	67	FILENAME=$(echo "$FILENAME" \| sed -e 's/\.gz$//; s/\.Z$//')
51417291 MM	68	;;
	69	*.bz2)
	70	if [ "$RECOMPRESS_BZIP2" = yes ] ; then
c4cafc90	71	bzip2 -d "$FILENAME"
c4cafc90	72	FILENAME=$(echo "$FILENAME" \| sed -e 's/\.bz2$//')
51417291 MM	73	else
	74	continue
	75	fi
	76	;;
	77	esac
	78
c4cafc90	79	$COMPRESS_CMD "$FILENAME"
51417291 MM	80
	81	echo -n "$FILENAME "
	82	done
	83
	84	echo
	85	echo "Documentation compressed."