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CI: Check file checksum and lowestRecPPEM on sample patched font
[why] We 'manually' patch the font file after `fontforge` created it. This can go wrong, for example we fail to create a correct new checksum. Or we fail to patch the correct font property. [how] Also build `showttf` from the `fontforge` package and use it to extract some font properties: * Check the example patched font file checksum * Compare the `lowestRecPPEM` of source to patched font file [note] `fontforge` set `lowestRecPPEM` always to 8 in generated fonts. Hack has a value of 6. Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>
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.github/workflows/font-patcher.yml
vendored
18
.github/workflows/font-patcher.yml
vendored
@ -47,6 +47,16 @@ jobs:
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sudo ninja
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sudo ninja install
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- name: Compile showttf
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run: |
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cd "$GITHUB_WORKSPACE/fontforge-${{matrix.FontForgeRelease.version}}/contrib/fonttools"
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mkdir build
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cd build
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cmake -Wno-dev -GNinja ..
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ninja showttf
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echo "SHOWTTF=$(realpath showttf)" >> $GITHUB_ENV
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cd ../../..
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- name: Setup additional dependencies
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run: |
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pip install fonttools --quiet
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@ -83,6 +93,14 @@ jobs:
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echo "FONT_FAMILY was ${{ env.FONT_FAMILY }}"
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[[ "${{ env.FONT_FAMILY }}" == "Hack Nerd Font" ]] && echo "Font Family matches expected" || exit 1
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- name: Spot check font properties
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run: |
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${{ env.SHOWTTF }} -c "$GITHUB_WORKSPACE/temp/Hack Regular Nerd Font Complete.ttf" | grep 'File Checksum.*diff=0\s*$' && echo "TTF checksum ok" || exit 1
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ORIG_MINPPEM=$(${{ env.SHOWTTF }} -c "src/unpatched-fonts/Hack/Regular/Hack-Regular.ttf" | grep 'lowestppem=' )
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PATCH_MINPPEM=$(${{ env.SHOWTTF }} -c "$GITHUB_WORKSPACE/temp/Hack Regular Nerd Font Complete.ttf" | grep 'lowestppem=' )
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echo "${ORIG_MINPPEM} == ${PATCH_MINPPEM}"
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[[ ${ORIG_MINPPEM} == ${PATCH_MINPPEM} ]] && echo "lowestRecPPEM matches" || exit 1
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- name: Patcher monospaced
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run: |
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mkdir -p $GITHUB_WORKSPACE/temp/
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