Reorganize the tree for easier and better handling.

- Template helpers have been moved to templates/helpers.
- Documentation to docs/.
- Common scripts have been moved to utils/sh.
- Fixed install-destdir when executed via chroot.
- Added a build-pkg target that builds a binary package.
  The package must be installed into destdir before using.
- Misc tweaks and fixes.

--HG--
extra : convert_revision : 0896e8f24bb7592116aaf77ae9c776033818a3d8

templates/helpers/mkfontxx-rebuild.sh

@@ -0,0 +1,25 @@
+#
+# This helper rebuilds the fonts.dir and fonts.scale files in a
+# directory specified by a template.
+#
+
+[ -z "$fonts_dir" ] && return 1
+[ ! -d "$fonts_dir" ] && $mkdir_cmd -p $fonts_dir
+
+mkfontdir_cmd=$XBPS_MASTERDIR/bin/mkfontdir
+mkfontscale_cmd=$XBPS_MASTERDIR/bin/mkfontscale
+
+if [ -x $mkfontdir_cmd -a -x $mkfontscale_cmd ]; then
+	save_path=$(pwd -P 2>/dev/null)
+	cd $fonts_dir && $mkfontdir_cmd && $mkfontscale_cmd
+	if [ "$?" -eq 0 ]; then
+		echo "=> Updated $fonts_dir/fonts.dir."
+		echo "=> Updated $fonts_dir/fonts.scale."
+	fi
+	cd $save_path
+	unset save_path
+fi
+
+unset fonts_dir
+unset mkfontdir_cmd
+unset mkfontscale_cmd