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#!/bin/sh
# //////////////////////////////////////////////////////////////////////
#
# build-subsets.sh
# A shell script that builds the Hack web font subsets from UFO source
# Copyright 2018 Christopher Simpkins
# MIT License
#
# Usage: ./build-subsets.sh
#
# NOTE: must install build dependencies in:
# 1) build-ttf.sh
# 2) build-woff.sh
# 3) build-woff2.sh
# before you execute this script. You can do this with:
#
#
# $ ./build-ttf.sh --install-dependencies
# $ ./build-woff.sh --install-dependencies
# $ ./build-woff2.sh --install-dependencies
#
# //////////////////////////////////////////////////////////////////////
# ttfautohint local install path from Werner Lemberg's ttfautohint-build.sh install script
# - This is revised to ttfautohint on the user's PATH if this local install is not identified
# then the identified ttfautohint is used to execute hinting. Versions of ttfautohint < 1.6 exit with status
# code 1 due to use of -R option
# - The intent is to support use of ttfautohint installed on a user's PATH (e.g. they've previously installed it)
TTFAH="$HOME/ttfautohint-build/local/bin/ttfautohint"
# The sfnt2woff-zopfli build directory.
SFNTWOFF_BUILD="$HOME/sfnt2woff-zopfli-build"
# sfnt2woff-zopfli version
SFNTWOFF_VERSION="1.1.0"
SFNTWOFF="sfnt2woff-zopfli-$SFNTWOFF_VERSION"
# Path to sfnt2woff-zopfli executable
SFNTWOFF_BIN="$SFNTWOFF_BUILD/$SFNTWOFF/sfnt2woff-zopfli"
ZOPFLI_ITERATIONS="3"
# The woff2 git clone directory.
WOFF2_BUILD="$HOME"
# woff2 executable path
WOFF2_BIN="$WOFF2_BUILD/woff2/woff2_compress"
# temporary source directory for subset source files
TEMP_SOURCE="source/temp"
# The font build directory paths and file paths for the woff builds
TTF_BUILD="master_ttf"
REGULAR_TTF="Hack-Regular.ttf"
REGULAR_WOFF_PRE="Hack-Regular.woff"
REGULAR_WOFF="hack-regular-subset.woff"
REGULAR_WOFF2_PRE="Hack-Regular.woff2"
REGULAR_WOFF2="hack-regular-subset.woff2"
BOLD_TTF="Hack-Bold.ttf"
BOLD_WOFF_PRE="Hack-Bold.woff"
BOLD_WOFF="hack-bold-subset.woff"
BOLD_WOFF2_PRE="Hack-Bold.woff2"
BOLD_WOFF2="hack-bold-subset.woff2"
ITALIC_TTF="Hack-Italic.ttf"
ITALIC_WOFF_PRE="Hack-Italic.woff"
ITALIC_WOFF="hack-italic-subset.woff"
ITALIC_WOFF2_PRE="Hack-Italic.woff2"
ITALIC_WOFF2="hack-italic-subset.woff2"
BOLDITALIC_TTF="Hack-BoldItalic.ttf"
BOLDITALIC_WOFF_PRE="Hack-BoldItalic.woff"
BOLDITALIC_WOFF="hack-bolditalic-subset.woff"
BOLDITALIC_WOFF2_PRE="Hack-BoldItalic.woff2"
BOLDITALIC_WOFF2="hack-bolditalic-subset.woff2"
# release directory path for web fonts
WEB_BUILD="build/web/fonts"
# test for number of arguments
if [ $# -gt 0 ]
then
echo "Inappropriate arguments included in your command." 1>&2
echo "Usage: ./build-subsets.sh" 1>&2
exit 1
fi
# ////////////////////////////////////////
#
#
# Confirm that dependencies are installed
#
#
# ////////////////////////////////////////
INSTALLFLAG=0
echo "Confirming that build dependencies are installed..."
echo " "
# fontmake installed
if ! which fontmake
then
echo "fontmake was not found. Please install all build dependencies with 'make build-with-dependencies', then attempt your build again." 1>&2
INSTALLFLAG=1
fi
# fontTools python library can be imported
if ! python -c "import fontTools"
then
echo "The fontTools library was not found. Please install all build dependencies with 'make build-with-dependencies', then attempt your build again." 1>&2
INSTALLFLAG=1
else
echo "fontTools Python library identified"
fi
# ttfautohint installed
# - tests for install to local path from ttfautohint-build.sh script
# - if not found on this path, tests for install on system PATH - if found, revises TTFAH to the string "ttfautohint" for execution of instruction sets
if ! [ -f "$TTFAH" ]
then
if ! which ttfautohint
then
echo "ttfautohint was not found. Please install all build dependencies with 'make build-with-dependencies', then attempt your build again." 1>&2
INSTALLFLAG=1
else
TTFAH="ttfautohint" # revise TTFAH variable to ttfautohint installed on the user's PATH for excecution of hints below
echo "ttfautohint executable identified"
fi
else
echo "ttfautohint executable identified"
fi
# sfntwoff-zopfli installed
if ! [ -f "$SFNTWOFF_BIN" ]
then
echo "sfnt2woff-zopfli was not found on the path $SFNTWOFF_BIN. Please install all build dependencies with 'make build-with-dependencies', then attempt your build again." 1>&2
INSTALLFLAG=1
else
echo "sfnt2woff-zopfli executable identified"
fi
# woff2 installed
if ! [ -f "$WOFF2_BIN" ]
then
echo "woff2_compress was not found on the path $WOFF2_BIN. Please install all build dependencies with 'make build-with-dependencies', then attempt your build again." 1>&2
INSTALLFLAG=1
else
echo "woff2_compress executable identified"
fi
# if any of the dependency installs failed, exit and do not attempt build, notify user
if [ $INSTALLFLAG -eq 1 ]
then
echo "Build canceled." 1>&2
exit 1
fi
# ////////////////////////////////////////////////
#
#
# Create temporary source files with lib.plist
# replacements that include subset definitions
#
#
# ////////////////////////////////////////////////
# cleanup any previously created temp directory that was not removed
if ! [ -d "$TEMP_SOURCE" ]; then
rm -rf $TEMP_SOURCE
fi
# create temp directory for subset source files
mkdir $TEMP_SOURCE
# copy source to temporary directory
cp -r source/Hack-Regular.ufo $TEMP_SOURCE/Hack-Regular.ufo
cp -r source/Hack-Italic.ufo $TEMP_SOURCE/Hack-Italic.ufo
cp -r source/Hack-Bold.ufo $TEMP_SOURCE/Hack-Bold.ufo
cp -r source/Hack-BoldItalic.ufo $TEMP_SOURCE/Hack-BoldItalic.ufo
# copy lib.plist files with subset definitions to temporary source directories
cp source/subset-lib/lib-regular.plist $TEMP_SOURCE/Hack-Regular.ufo/lib.plist
cp source/subset-lib/lib-italic.plist $TEMP_SOURCE/Hack-Italic.ufo/lib.plist
cp source/subset-lib/lib-bold.plist $TEMP_SOURCE/Hack-Bold.ufo/lib.plist
cp source/subset-lib/lib-bolditalic.plist $TEMP_SOURCE/Hack-BoldItalic.ufo/lib.plist
# /////////////////////////////////////////////
#
#
# Begin subset ttf font build from UFO source
#
#
# /////////////////////////////////////////////
echo "Starting web font subset build..."
echo " "
# remove master_ttf directory if a previous build failed + exited early and it was not cleaned up
if [ -d "master_ttf" ]; then
rm -rf master_ttf
fi
# build regular subset
if ! fontmake --subset -u "$TEMP_SOURCE/Hack-Regular.ufo" -o ttf
then
echo "Unable to build the Hack-Regular variant subset. Build canceled." 1>&2
exit 1
fi
# build bold subset
if ! fontmake --subset -u "$TEMP_SOURCE/Hack-Bold.ufo" -o ttf
then
echo "Unable to build the Hack-Bold variant subset. Build canceled." 1>&2
exit 1
fi
# build italic subset
if ! fontmake --subset -u "$TEMP_SOURCE/Hack-Italic.ufo" -o ttf
then
echo "Unable to build the Hack-Italic variant subset. Build canceled." 1>&2
exit 1
fi
# build bold italic subset
if ! fontmake --subset -u "$TEMP_SOURCE/Hack-BoldItalic.ufo" -o ttf
then
echo "Unable to build the Hack-BoldItalic variant subset. Build canceled." 1>&2
exit 1
fi
# /////////////////////////////////////////////
#
#
# Post build fixes
#
#
# /////////////////////////////////////////////
# DSIG table fix with adapted fontbakery Python script
echo " "
echo "Attempting DSIG table fixes with fontbakery..."
echo " "
if ! python postbuild_processing/fixes/fix-dsig.py master_ttf/*.ttf
then
echo "Unable to complete DSIG table fixes on the release files"
exit 1
fi
# fstype value fix with adapted fontbakery Python script
echo " "
echo "Attempting fstype fixes with fontbakery..."
echo " "
if ! python postbuild_processing/fixes/fix-fstype.py master_ttf/*.ttf
then
echo "Unable to complete fstype fixes on the release files"
exit 1
fi
# /////////////////////////////////////////////
#
#
# Hinting of ttf subsets
#
#
# /////////////////////////////////////////////
echo " "
echo "Attempting ttfautohint hinting..."
echo " "
# make a temporary directory for the hinted files
mkdir master_ttf/hinted
# Hack-Regular.ttf
if ! "$TTFAH" -l 6 -r 50 -x 10 -H 181 -D latn -f latn -w G -W -t -X "" -I -R "master_ttf/Hack-Regular.ttf" -m "postbuild_processing/tt-hinting/Hack-Regular-TA.txt" "master_ttf/Hack-Regular.ttf" "master_ttf/hinted/Hack-Regular.ttf"
then
echo "Unable to execute ttfautohint on the Hack-Regular variant subset. Build canceled." 1>&2
exit 1
fi
echo "master_ttf/Hack-Regular.ttf subset - successful hinting with ttfautohint"
# Hack-Bold.ttf
if ! "$TTFAH" -l 6 -r 50 -x 10 -H 260 -D latn -f latn -w G -W -t -X "" -I -R "master_ttf/Hack-Regular.ttf" -m "postbuild_processing/tt-hinting/Hack-Bold-TA.txt" "master_ttf/Hack-Bold.ttf" "master_ttf/hinted/Hack-Bold.ttf"
then
echo "Unable to execute ttfautohint on the Hack-Bold variant subset. Build canceled." 1>&2
exit 1
fi
echo "master_ttf/Hack-Bold.ttf subset - successful hinting with ttfautohint"
# Hack-Italic.ttf
if ! "$TTFAH" -l 6 -r 50 -x 10 -H 145 -D latn -f latn -w G -W -t -X "" -I -R "master_ttf/Hack-Regular.ttf" -m "postbuild_processing/tt-hinting/Hack-Italic-TA.txt" "master_ttf/Hack-Italic.ttf" "master_ttf/hinted/Hack-Italic.ttf"
then
echo "Unable to execute ttfautohint on the Hack-Italic variant subset. Build canceled." 1>&2
exit 1
fi
echo "master_ttf/Hack-Italic.ttf subset - successful hinting with ttfautohint"
# Hack-BoldItalic.ttf
if ! "$TTFAH" -l 6 -r 50 -x 10 -H 265 -D latn -f latn -w G -W -t -X "" -I -R "master_ttf/Hack-Regular.ttf" -m "postbuild_processing/tt-hinting/Hack-BoldItalic-TA.txt" "master_ttf/Hack-BoldItalic.ttf" "master_ttf/hinted/Hack-BoldItalic.ttf"
then
echo "Unable to execute ttfautohint on the Hack-BoldItalic variant subset. Build canceled." 1>&2
exit 1
fi
echo "master_ttf/Hack-BoldItalic.ttf subset - successful hinting with ttfautohint"
echo " "
# /////////////////////////////////////////////
#
#
# Build woff subsets
#
#
# /////////////////////////////////////////////
# regular set
if ! "$SFNTWOFF_BIN" -n $ZOPFLI_ITERATIONS "$TTF_BUILD/$REGULAR_TTF"; then
echo "Failed to build $REGULAR_WOFF from $REGULAR_TTF." 1>&2
exit 1
else
echo "Regular woff subset successfully built from $REGULAR_TTF"
fi
# bold set
if ! "$SFNTWOFF_BIN" -n $ZOPFLI_ITERATIONS "$TTF_BUILD/$BOLD_TTF"; then
echo "Failed to build $BOLD_WOFF from $BOLD_TTF" 1>&2
exit 1
else
echo "Bold woff subset successfully built from $BOLD_TTF"
fi
# italic set
if ! "$SFNTWOFF_BIN" -n $ZOPFLI_ITERATIONS "$TTF_BUILD/$ITALIC_TTF"; then
echo "Failed to build $BOLD_WOFF from $ITALIC_TTF" 1>&2
exit 1
else
echo "Italic woff subset successfully built from $ITALIC_TTF"
fi
# bold italic set
if ! "$SFNTWOFF_BIN" -n $ZOPFLI_ITERATIONS "$TTF_BUILD/$BOLDITALIC_TTF"; then
echo "Failed to build $BOLDITALIC_WOFF from $BOLDITALIC_TTF" 1>&2
exit 1
else
echo "Bold Italic woff subset successfully built from $BOLDITALIC_TTF"
fi
# /////////////////////////////////////////////
#
#
# Build woff2 subsets
#
#
# /////////////////////////////////////////////
echo " "
# regular set
if ! "$WOFF2_BIN" "$TTF_BUILD/$REGULAR_TTF"; then
echo "Failed to build woff2 subset from $REGULAR_TTF." 1>&2
exit 1
else
echo "Regular woff2 font subset successfully built from $REGULAR_TTF"
fi
# bold set
if ! "$WOFF2_BIN" "$TTF_BUILD/$BOLD_TTF"; then
echo "Failed to build woff2 subset from $BOLD_TTF" 1>&2
exit 1
else
echo "Bold woff2 subset successfully built from $BOLD_TTF"
fi
# italic set
if ! "$WOFF2_BIN" "$TTF_BUILD/$ITALIC_TTF"; then
echo "Failed to build woff2 subset from $ITALIC_TTF" 1>&2
exit 1
else
echo "Italic woff2 subset successfully built from $ITALIC_TTF"
fi
# bold italic set
if ! "$WOFF2_BIN" "$TTF_BUILD/$BOLDITALIC_TTF"; then
echo "Failed to build woff2 subset from $BOLDITALIC_TTF" 1>&2
exit 1
else
echo "Bold Italic woff2 subset successfully built from $BOLDITALIC_TTF"
fi
# //////////////////////////////////////////////
#
#
# Move web font subset files to build directory
#
#
# //////////////////////////////////////////////
# create the build directory if it does not exist
if ! [ -d "$WEB_BUILD" ]; then
mkdir $WEB_BUILD
fi
echo " "
echo "Moving woff files to build directory..."
# move woff files to appropriate build directory
mv "$TTF_BUILD/$REGULAR_WOFF_PRE" "$WEB_BUILD/$REGULAR_WOFF"
mv "$TTF_BUILD/$BOLD_WOFF_PRE" "$WEB_BUILD/$BOLD_WOFF"
mv "$TTF_BUILD/$ITALIC_WOFF_PRE" "$WEB_BUILD/$ITALIC_WOFF"
mv "$TTF_BUILD/$BOLDITALIC_WOFF_PRE" "$WEB_BUILD/$BOLDITALIC_WOFF"
if [ -f "$WEB_BUILD/$REGULAR_WOFF" ]; then
echo "Regular woff build path: $WEB_BUILD/$REGULAR_WOFF"
fi
if [ -f "$WEB_BUILD/$BOLD_WOFF" ]; then
echo "Bold woff build path: $WEB_BUILD/$BOLD_WOFF"
fi
if [ -f "$WEB_BUILD/$ITALIC_WOFF" ]; then
echo "Italic woff build path: $WEB_BUILD/$ITALIC_WOFF"
fi
if [ -f "$WEB_BUILD/$BOLDITALIC_WOFF" ]; then
echo "Bold Italic woff build path: $WEB_BUILD/$BOLDITALIC_WOFF"
fi
echo "Moving woff2 files to build directory..."
# move woff files to appropriate build directory
mv "$TTF_BUILD/$REGULAR_WOFF2_PRE" "$WEB_BUILD/$REGULAR_WOFF2"
mv "$TTF_BUILD/$BOLD_WOFF2_PRE" "$WEB_BUILD/$BOLD_WOFF2"
mv "$TTF_BUILD/$ITALIC_WOFF2_PRE" "$WEB_BUILD/$ITALIC_WOFF2"
mv "$TTF_BUILD/$BOLDITALIC_WOFF2_PRE" "$WEB_BUILD/$BOLDITALIC_WOFF2"
if [ -f "$WEB_BUILD/$REGULAR_WOFF2" ]; then
echo "Regular woff2 subset build path: $WEB_BUILD/$REGULAR_WOFF2"
fi
if [ -f "$WEB_BUILD/$BOLD_WOFF2" ]; then
echo "Bold woff2 subset build path: $WEB_BUILD/$BOLD_WOFF2"
fi
if [ -f "$WEB_BUILD/$ITALIC_WOFF2" ]; then
echo "Italic woff2 subset build path: $WEB_BUILD/$ITALIC_WOFF2"
fi
if [ -f "$WEB_BUILD/$BOLDITALIC_WOFF2" ]; then
echo "Bold Italic woff2 subset build path: $WEB_BUILD/$BOLDITALIC_WOFF2"
fi
# //////////////////////////////////////////////
#
#
# Cleanup temp directory
#
#
# //////////////////////////////////////////////
rm -rf master_ttf
rm -rf "$TEMP_SOURCE"
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