Hack/build-ttf.sh

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#!/bin/sh
# /////////////////////////////////////////////////////////////////
#
# build-ttf.sh
# A shell script that builds the Hack ttf fonts from UFO source
# Copyright 2018 Christopher Simpkins
# MIT License
#
# Usage: ./build-ttf.sh (--system)
# Arguments:
# --system (optional) - use system installed build dependencies
#
# /////////////////////////////////////////////////////////////////
# set SOURCE_DATE_EPOCH to git commit date/time to support reproducible builds
# at any git commit
SOURCE_DATE_EPOCH=$(git show -s --format=%ct HEAD)
export SOURCE_DATE_EPOCH
# default build tooling definitions
TTFAH="$HOME/ttfautohint-build/local/bin/ttfautohint"
FONTMAKE="pipenv run fontmake"
PYTHON="pipenv run python"
INSTALLFLAG=0
# test for number of arguments
if [ $# -gt 1 ]
then
echo "Inappropriate arguments included in your command." 1>&2
echo "Usage: ./build-ttf.sh (--system)" 1>&2
exit 1
fi
# Optional build with system-installed build dependencies instead of pinned build process defined versions
if [ "$1" = "--system" ]
then
# re-define the default executables to executables that exist on PATH
TTFAH="ttfautohint"
FONTMAKE="fontmake"
PYTHON="python3"
echo "================================="
echo " BUILD ENVIRONMENT"
echo "================================="
# test re-defined system-installed build dependency paths
if ! which "$TTFAH"; then
echo "Unable to identify a system installed version of ttfautohint. Please install and try again." 1>&2
INSTALLFLAG=1
else
ttfautohint --version
fi
if ! which "$FONTMAKE"; then
echo "Unable to identify a system installed version of fontmake. Please install and try again." 1>&2
INSTALLFLAG=1
else
"$FONTMAKE" --version
fi
if ! which "$PYTHON"; then
echo "Unable to identify a Python 3 installation. Please install and try again." 1>&2
INSTALLFLAG=1
else
"$PYTHON" --version
fi
echo "================================="
echo " "
echo "================================="
echo " "
fi
# ttfautohint path test for default builds
# test for local ttfautohint install using repository provided install script and defined ttfautohint version (and its dependencies)
# no tests for Python build dependencies here because they are always installed by default & tested in the pipenv virtualenv before these steps
if [ $# -eq 0 ]; then
if ! [ -f "$TTFAH" ]; then
echo "Unable to identify the expected local install path for ttfautohint. Please install and try again." 1>&2
INSTALLFLAG=1
fi
fi
# If any of the dependency checks failed, exit the build and notify user
if [ $INSTALLFLAG -eq 1 ]; then
echo "Build canceled." 1>&2
exit 1
fi
# Desktop ttf font build
echo "Starting build..."
echo " "
# remove any existing release files from the build directory
if [ -f "build/ttf/Hack-Regular.ttf" ]; then
rm build/ttf/Hack-Regular.ttf
fi
if [ -f "build/ttf/Hack-Italic.ttf" ]; then
rm build/ttf/Hack-Italic.ttf
fi
if [ -f "build/ttf/Hack-Bold.ttf" ]; then
rm build/ttf/Hack-Bold.ttf
fi
if [ -f "build/ttf/Hack-BoldItalic.ttf" ]; then
rm build/ttf/Hack-BoldItalic.ttf
fi
# 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 set
if ! $FONTMAKE -u "source/Hack-Regular.ufo" -o ttf
then
echo "Unable to build the Hack-Regular variant set. Build canceled." 1>&2
exit 1
fi
# build bold set
if ! $FONTMAKE -u "source/Hack-Bold.ufo" -o ttf
then
echo "Unable to build the Hack-Bold variant set. Build canceled." 1>&2
exit 1
fi
# build italic set
if ! $FONTMAKE -u "source/Hack-Italic.ufo" -o ttf
then
echo "Unable to build the Hack-Italic variant set. Build canceled." 1>&2
exit 1
fi
# build bold italic set
if ! $FONTMAKE -u "source/Hack-BoldItalic.ufo" -o ttf
then
echo "Unable to build the Hack-BoldItalic variant set. Build canceled." 1>&2
exit 1
fi
# Desktop ttf font 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 ! $PYTHON postbuild_processing/fixes/fix-fstype.py master_ttf/*.ttf
then
echo "Unable to complete fstype fixes on the release files"
exit 1
fi
# Desktop ttf font hinting
echo " "
echo "Attempting ttfautohint hinting..."
echo " "
# make a temporary directory for the hinted files
mkdir master_ttf/hinted
# Hack-Regular.ttf
if ! "$TTFAH" -l 6 -r 50 -x 10 -H 181 -D latn -f latn -w G -W -t -X "" -I -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 set. Build canceled." 1>&2
exit 1
fi
echo "master_ttf/Hack-Regular.ttf - successful hinting with ttfautohint"
# Hack-Bold.ttf
if ! "$TTFAH" -l 6 -r 50 -x 10 -H 260 -D latn -f latn -w G -W -t -X "" -I -m "postbuild_processing/tt-hinting/Hack-Bold-TA.txt" "master_ttf/Hack-Bold.ttf" "master_ttf/hinted/Hack-Bold.ttf"
then
echo "Unable to execute ttfautohint on the Hack-Bold variant set. Build canceled." 1>&2
exit 1
fi
echo "master_ttf/Hack-Bold.ttf - successful hinting with ttfautohint"
# Hack-Italic.ttf
if ! "$TTFAH" -l 6 -r 50 -x 10 -H 145 -D latn -f latn -w G -W -t -X "" -I -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 set. Build canceled." 1>&2
exit 1
fi
echo "master_ttf/Hack-Italic.ttf - 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 -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 set. Build canceled." 1>&2
exit 1
fi
echo "master_ttf/Hack-BoldItalic.ttf - successful hinting with ttfautohint"
echo " "
# Move release files to build directory
echo " "
# create directory if it does not exist
# (occurs with git + empty directories)
if ! [ -d build/ttf ]; then
mkdir build/ttf
fi
mv master_ttf/hinted/Hack-Regular.ttf build/ttf/Hack-Regular.ttf
echo "Regular ttf build path: build/ttf/Hack-Regular.ttf"
mv master_ttf/hinted/Hack-Italic.ttf build/ttf/Hack-Italic.ttf
echo "Italic ttf build path: build/ttf/Hack-Italic.ttf"
mv master_ttf/hinted/Hack-Bold.ttf build/ttf/Hack-Bold.ttf
echo "Bold ttf build path: build/ttf/Hack-Bold.ttf"
mv master_ttf/hinted/Hack-BoldItalic.ttf build/ttf/Hack-BoldItalic.ttf
echo "Bold Italic ttf build path: build/ttf/Hack-BoldItalic.ttf"
# Remove master_ttf directory
rm -rf master_ttf