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+#!/bin/sh
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+
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+# /////////////////////////////////////////////////////////////////
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+#
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+# build-ttf.sh
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+# A shell script that builds the Hack ttf fonts from UFO source
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+# Copyright 2018 Christopher Simpkins
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+# MIT License
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+#
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+# Usage: ./build-ttf.sh (--install-dependencies)
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+# Arguments:
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+# --install-dependencies (optional) - installs all
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+# build dependencies prior to the build script execution
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+#
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+# /////////////////////////////////////////////////////////////////
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+
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+# ttfautohint local install path from Werner Lemberg's ttfautohint-build.sh install script
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+# - This is revised to ttfautohint on the user's PATH if this local install is not identified
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+# then the identified ttfautohint is used to execute hinting. Versions of ttfautohint < 1.6 exit with status
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+# code 1 due to use of -R option
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+# - The intent is to support use of ttfautohint installed on a user's PATH (e.g. they've previously installed it)
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+TTFAH="$HOME/ttfautohint-build/local/bin/ttfautohint"
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+
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+# test for number of arguments
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+if [ $# -gt 1 ]
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+ then
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+ echo "Inappropriate arguments included in your command." 1>&2
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+ echo "Usage: ./build-ttf.sh (--install-dependencies)" 1>&2
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+ exit 1
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+fi
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+
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+# Optional build dependency install request with syntax `./build.sh --install-dependencies`
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+if [ "$1" = "--install-dependencies" ]
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+ then
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+ # fontmake
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+ pip install --upgrade fontmake
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+ # fontTools (installed with fontmake at this time. leave this as dependency check as python scripts for fixes require it should fontTools eliminate dep)
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+ pip install --upgrade fonttools
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+ # ttfautohint v1.6 (must be pinned to v1.6 and above for Hack instruction sets)
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+ tools/scripts/install/ttfautohint-build.sh
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+
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+fi
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+
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+# confirm executable installs and library imports for build dependencies
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+INSTALLFLAG=0
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+
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+echo "Confirming that build dependencies are installed..."
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+echo " "
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+# fontmake installed
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+if ! which fontmake
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+ then
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+ echo "Unable to install fontmake with 'pip install fontmake'. Please attempt a manual install of this build dependency and then repeat your build attempt." 1>&2
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+ INSTALLFLAG=1
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+fi
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+# fontTools python library can be imported
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+if ! python -c "import fontTools"
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+ then
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+ echo "Unable to install fontTools with 'pip install fonttools'. Please attempt a manual install of this build dependency and then repeat your build attempt." 1>&2
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+ INSTALLFLAG=1
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+else
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+ echo "fontTools Python library identified"
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+fi
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+# ttfautohint installed
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+# - tests for install to local path from ttfautohint-build.sh script
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+# - 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
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+if ! [ -f "$TTFAH" ]
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+ then
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+ if ! which ttfautohint
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+ then
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+ echo "Unable to install ttfautohint from source. Please attempt a manual install of this build dependency and then repeat your build attempt." 1>&2
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+ INSTALLFLAG=1
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+ else
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+ TTFAH="ttfautohint" # revise TTFAH variable to ttfautohint installed on the user's PATH for excecution of hints below
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+ fi
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+fi
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+# if any of the dependency installs failed, exit and do not attempt build, notify user
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+if [ $INSTALLFLAG -eq 1 ]
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+ then
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+ echo "Build canceled." 1>&2
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+ exit 1
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+fi
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+
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+# Desktop ttf font build
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+
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+echo "Starting build..."
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+echo " "
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+
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+# remove any existing release files from the build directory
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+if [ -f "build/ttf/Hack-Regular.ttf" ]; then
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+ rm build/ttf/Hack-Regular.ttf
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+fi
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+
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+if [ -f "build/ttf/Hack-Italic.ttf" ]; then
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+ rm build/ttf/Hack-Italic.ttf
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+fi
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+
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+if [ -f "build/ttf/Hack-Bold.ttf" ]; then
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+ rm build/ttf/Hack-Bold.ttf
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+fi
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+
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+if [ -f "build/ttf/Hack-BoldItalic.ttf" ]; then
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+ rm build/ttf/Hack-BoldItalic.ttf
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+fi
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+
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+# remove master_ttf directory if a previous build failed + exited early and it was not cleaned up
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+
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+if [ -d "master_ttf" ]; then
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+ rm -rf master_ttf
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+fi
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+
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+# build regular set
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+
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+if ! fontmake -u "source/Hack-Regular.ufo" -o ttf
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+ then
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+ echo "Unable to build the Hack-Regular variant set. Build canceled." 1>&2
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+ exit 1
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+fi
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+
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+# build bold set
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+if ! fontmake -u "source/Hack-Bold.ufo" -o ttf
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+ then
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+ echo "Unable to build the Hack-Bold variant set. Build canceled." 1>&2
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+ exit 1
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+fi
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+
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+# build italic set
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+if ! fontmake -u "source/Hack-Italic.ufo" -o ttf
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+ then
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+ echo "Unable to build the Hack-Italic variant set. Build canceled." 1>&2
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+ exit 1
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+fi
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+
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+# build bold italic set
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+
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+if ! fontmake -u "source/Hack-BoldItalic.ufo" -o ttf
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+ then
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+ echo "Unable to build the Hack-BoldItalic variant set. Build canceled." 1>&2
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+ exit 1
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+fi
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+
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+# Desktop ttf font post build fixes
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+
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+# DSIG table fix with adapted fontbakery Python script
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+echo " "
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+echo "Attempting DSIG table fixes with fontbakery..."
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+echo " "
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+if ! python postbuild_processing/fixes/fix-dsig.py master_ttf/*.ttf
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+ then
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+ echo "Unable to complete DSIG table fixes on the release files"
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+ exit 1
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+fi
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+
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+# fstype value fix with adapted fontbakery Python script
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+echo " "
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+echo "Attempting fstype fixes with fontbakery..."
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+echo " "
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+if ! python postbuild_processing/fixes/fix-fstype.py master_ttf/*.ttf
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+ then
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+ echo "Unable to complete fstype fixes on the release files"
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+ exit 1
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+fi
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+
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+# Desktop ttf font hinting
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+
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+echo " "
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+echo "Attempting ttfautohint hinting..."
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+echo " "
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+# make a temporary directory for the hinted files
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+mkdir master_ttf/hinted
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+
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+# Hack-Regular.ttf
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+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"
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+ then
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+ echo "Unable to execute ttfautohint on the Hack-Regular variant set. Build canceled." 1>&2
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+ exit 1
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+fi
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+echo "master_ttf/Hack-Regular.ttf - successful hinting with ttfautohint"
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+
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+# Hack-Bold.ttf
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+if ! "$TTFAH" -l 6 -r 50 -x 10 -H 260 -D latn -f latn -w G -W -t -X "" -I -m "postbuild_processing/tt-hinting/Hack-Bold-TA.txt" "master_ttf/Hack-Bold.ttf" "master_ttf/hinted/Hack-Bold.ttf"
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+ then
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+ echo "Unable to execute ttfautohint on the Hack-Bold variant set. Build canceled." 1>&2
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+ exit 1
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+fi
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+echo "master_ttf/Hack-Bold.ttf - successful hinting with ttfautohint"
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+
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+# Hack-Italic.ttf
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+if ! "$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"
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+ then
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+ echo "Unable to execute ttfautohint on the Hack-Italic variant set. Build canceled." 1>&2
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+ exit 1
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+fi
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+echo "master_ttf/Hack-Italic.ttf - successful hinting with ttfautohint"
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+
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+# Hack-BoldItalic.ttf
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+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"
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+ then
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+ echo "Unable to execute ttfautohint on the Hack-BoldItalic variant set. Build canceled." 1>&2
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+ exit 1
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+fi
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+echo "master_ttf/Hack-BoldItalic.ttf - successful hinting with ttfautohint"
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+echo " "
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+
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+# Move release files to build directory
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+echo " "
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+
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+# create directory if it does not exist
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+# (occurs with git + empty directories)
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+if ! [ -d build/ttf ]; then
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+ mkdir build/ttf
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+fi
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+
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+mv master_ttf/hinted/Hack-Regular.ttf build/ttf/Hack-Regular.ttf
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+echo "Regular ttf build path: build/ttf/Hack-Regular.ttf"
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+mv master_ttf/hinted/Hack-Italic.ttf build/ttf/Hack-Italic.ttf
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+echo "Italic ttf build path: build/ttf/Hack-Italic.ttf"
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+mv master_ttf/hinted/Hack-Bold.ttf build/ttf/Hack-Bold.ttf
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+echo "Bold ttf build path: build/ttf/Hack-Bold.ttf"
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+mv master_ttf/hinted/Hack-BoldItalic.ttf build/ttf/Hack-BoldItalic.ttf
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+echo "Bold Italic ttf build path: build/ttf/Hack-BoldItalic.ttf"
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+
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+# Remove master_ttf directory
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+rm -rf master_ttf
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