system/byobu: Fix doc dir and .desktop.

Signed-off-by: B. Watson <yalhcru@gmail.com>

system/byobu/byobu.SlackBuild

@@ -22,11 +22,16 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+# 20220404 bkw: Modified by SlackBuilds.org, BUILD=2:
+# - remove empty /usr/share/doc from package.
+# - remove 0-byte NEWS from doc dir.
+# - make .desktop file validate.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=byobu
 VERSION=${VERSION:-2.82}
-BUILD=${BUILD:-2}
+BUILD=${BUILD:-3}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -38,9 +43,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -50,7 +52,8 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
-DOCS="AUTHORS COPYING NEWS README"
+# 20220404 bkw: NEWS is a 0-byte placeholder.
+DOCS="AUTHORS COPYING README"
 
 if [ "$ARCH" = "x86_64" ]; then
   LIBDIRSUFFIX="64"
@@ -73,9 +76,9 @@ patch -p1 < $CWD/slackware.diff
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
- -exec chmod 755 {} \; -o \
+ -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
- -exec chmod 644 {} \;
+ -exec chmod 644 {} \+
 
 if [ "$ARCH" = "x86_64" ]; then
   find usr -type f -exec sed -i -e "s/lib/lib${LIBDIRSUFFIX}/g" \{\} \;
@@ -96,8 +99,12 @@ mv $PKG/usr/share/man $PKG/usr/
 find $PKG/usr/man -type f -exec gzip -9 {} \;
 for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
 
+# 20220404 bkw: deprecation warning from desktop-file-validate.
+sed -i '/^Encoding/d' $PKG/usr/share/applications/$PRGNAM.desktop
+
 mkdir -p $PKG/usr/doc
 mv $PKG/usr/share/doc/$PRGNAM $PKG/usr/doc/$PRGNAM-$VERSION
+rm -rf $PKG/usr/share/doc # 20220404 bkw: empty dir
 cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild