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rsheeter/how_to_diff.sh

Created November 8, 2023 17:18
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How to ttx_diff
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how_to_diff.sh
# starting from a directory with both fontc and oswald
git clone git@github.com:googlefonts/fontc.git
git clone git@github.com:googlefonts/OswaldFont.git
cd fontc
# establish a virtual environment
python3 -m venv venv
source venv/bin/activate
pip install -r resources/scripts/requirements.txt
# run ttx_diff on a minimal test file; at time of writing GDEF and GPOS differ
python resources/scripts/ttx_diff.py resources/testdata/glyphs3/Oswald-AE-comb.glyphs
# run ttx_diff on Oswald
python resources/scripts/ttx_diff.py ../OswaldFont/sources/Oswald.glyphs
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