adds googlefonts build script (WIP)

misc/googlefonts/build.sh

@@ -0,0 +1,34 @@
+#!/bin/bash -e
+cd "$(dirname $0)"
+# GFDIR=$PWD  # may be useful to save path to the misc/googlefonts-qa directory.
+# move to repository root directory
+cd ../..
+
+# parse CLI options
+CLEAN=false
+if [[ "$1" == "-h"* ]] || [[ "$1" == "--h"* ]]; then
+  echo "usage: $0 [--clean | --help]"
+  echo "--clean   Clean \"from scratch\" build. Clears any previous build products."
+  exit
+elif [[ "$1" == "--clean" ]]; then
+  CLEAN=true ; shift
+fi
+
+# make sure that make and venv is up-to-date
+./init.sh
+source init.sh
+
+# make sure there are no left-over build products
+if $CLEAN; then
+  make clean >/dev/null
+fi
+
+# compile multi-axis variable font
+make build/fonts/var/Inter.var.otf
+
+# change file type to TTF and change style names to Google Fonts standard.
+rm -rf build/googlefonts
+mkdir -p build/googlefonts
+misc/fontbuild rename --google-style \
+  build/fonts/var/Inter.var.otf \
+  -o build/googlefonts/Inter.var.ttf