#!/bin/sh

# If using normal root, avoid changing anything.
if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
	exit 0
fi

cd "$RPM_BUILD_ROOT"

# Compress man pages
COMPRESS="gzip -9 -n"
COMPRESS_EXT=.gz

for d in ./usr/man/man* ./usr/man/*/man* ./usr/info \
	./usr/share/man/man* ./usr/share/man/*/man* ./usr/share/info \
	./usr/kerberos/man ./usr/X11R6/man/man* ./usr/lib/perl5/man/man* \
	./usr/share/doc/*/man/man* ./usr/lib/*/man/man*
do
    [ -d "$d" ] || continue
    for f in $(find "$d" -type f ! -name dir)
    do
        [ -f "$f" ] || continue

	case "$f" in
	 *.gz|*.Z)    gunzip  -f "$f"; b=$(echo "$f" | sed -e 's/\.\(gz\|Z\)$//');;
	 *.bz2)       bunzip2 -f "$f"; b=$(echo "$f" | sed -e 's/\.bz2$//');;
	 *.xz|*.lzma) unxz    -f "$f"; b=$(echo "$f" | sed -e 's/\.\(xz\|lzma\)$//');;
	 *) b=$f;;
	esac

	$COMPRESS "$b" </dev/null 2>/dev/null || {
	    inode=$(ls -i "$b" | awk '{ print $1 }')
	    others=$(find "$d" -type f -inum $inode)
	    if [ -n "$others" ]; then
		for afile in $others ; do
		    [ "$afile" != "$b" ] && rm -f "$afile"
		done
		$COMPRESS -f "$b"
		for afile in $others ; do
		    [ "$afile" != "$b" ] && ln "$b$COMPRESS_EXT" "$afile$COMPRESS_EXT"
		done
	    else
		$COMPRESS -f "$b"
	    fi
	}
    done

    for f in $(find "$d" -type l)
    do
	l=$(ls -l "$f" | sed -e 's/.* -> //' -e 's/\.\(gz\|Z\|bz2\|xz\|lzma\)$//')
	rm -f "$f"
	b=$(echo "$f" | sed -e 's/\.\(gz\|Z\|bz2\|xz\|lzma\)$//')
	ln -sf "$l$COMPRESS_EXT" "$b$COMPRESS_EXT"
    done
done
