Files
amethyst/tools/material-symbols-subset/subset.sh
T
Claude 19588be84b build(perf): trim build outputs for hooks, CI, and the shipped font
Headline numbers from a fresh `./gradlew assemble`:
- :commons material_symbols_outlined.ttf 11M -> 409K (subset to the 210
  codepoints actually referenced from MaterialSymbols.kt)
- :amethyst per-ABI APKs no longer built in CI (-PdisableAbiSplits=true);
  ~600M of stripped_native_libs intermediates skipped per run

Changes:
- .git-hooks/pre-push runs only :amethyst:testPlayDebugUnitTest plus jvmTest
  on the KMP modules instead of `./gradlew test`, which was compiling all six
  amethyst variants (play/fdroid x debug/release/benchmark)
- amethyst/build.gradle adds three opt-in fast-build flags:
    -PdisableAbiSplits=true       skip per-ABI APK splits
    -PdisableUniversalApk=true    skip the universal APK output
    -Pamethyst.skipMapping=true   disable R8 (release+benchmark)
  Defaults are unchanged; release pipelines must not set skipMapping.
- .github/workflows/build.yml uses gradle/actions/setup-gradle@v4 with
  cache-read-only on PRs / cache-write on main, drops --no-daemon, collapses
  the Android job to a single Gradle invocation (lint + focused debug unit
  tests + assembleBenchmark with -PdisableAbiSplits=true), and globs both
  APK naming patterns for the upload step.
- tools/material-symbols-subset/{subset.sh,README.md} regenerates the font
  from upstream + MaterialSymbols.kt; run after adding/removing icons.

Verified: ./gradlew :amethyst:help with all three new -P flags parses cleanly,
and ./gradlew :commons:jvmJar --rerun-tasks succeeds with the subsetted font
(commons-jvm jar shrinks from ~13M to 2.9M).

https://claude.ai/code/session_01YSmkagXXN5AwGcY4upiUh1
2026-05-05 22:49:43 +00:00

63 lines
2.2 KiB
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Executable File

#!/usr/bin/env bash
#
# Subset commons/.../material_symbols_outlined.ttf to only the codepoints
# referenced from MaterialSymbols.kt. The full Google variable font is ~11 MB
# (≈3500 glyphs); the subset is ~410 KB.
#
# Run this whenever MaterialSymbols.kt gains or loses a codepoint, or when
# pulling a newer upstream font release.
#
# Inputs:
# $1 (optional) — path to a full upstream MaterialSymbolsOutlined-Regular.ttf
# to subset. If omitted, the script downloads the variable
# font from Google Fonts.
#
# Output:
# Overwrites commons/src/commonMain/composeResources/font/material_symbols_outlined.ttf
set -euo pipefail
REPO_ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
SYMBOLS_KT="$REPO_ROOT/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/icons/symbols/MaterialSymbols.kt"
TARGET="$REPO_ROOT/commons/src/commonMain/composeResources/font/material_symbols_outlined.ttf"
if ! command -v pyftsubset >/dev/null 2>&1; then
echo "pyftsubset not found. Install with: pip install fonttools brotli" >&2
exit 1
fi
if [ "${1:-}" ]; then
SOURCE_TTF="$1"
else
SOURCE_TTF="$(mktemp -t material_symbols.XXXXXX.ttf)"
trap 'rm -f "$SOURCE_TTF"' EXIT
echo "Downloading upstream Material Symbols Outlined variable font..."
curl -fsSL -o "$SOURCE_TTF" \
"https://github.com/google/material-design-icons/raw/master/variablefont/MaterialSymbolsOutlined%5BFILL%2CGRAD%2Copsz%2Cwght%5D.ttf"
fi
CODEPOINTS_FILE="$(mktemp -t material_symbols_cp.XXXXXX.txt)"
trap 'rm -f "$CODEPOINTS_FILE" ${SOURCE_TTF:+}' EXIT
# Pull every \uXXXX literal out of MaterialSymbols.kt as U+XXXX, deduplicated.
grep -oE '\\u[A-Fa-f0-9]{4}' "$SYMBOLS_KT" | sort -u | sed 's/\\u/U+/' > "$CODEPOINTS_FILE"
count=$(wc -l < "$CODEPOINTS_FILE")
echo "Subsetting to $count codepoints from MaterialSymbols.kt"
pyftsubset "$SOURCE_TTF" \
--unicodes-file="$CODEPOINTS_FILE" \
--output-file="$TARGET" \
--layout-features='*' \
--no-hinting \
--desubroutinize \
--notdef-outline \
--recommended-glyphs \
--name-IDs='*' \
--name-legacy \
--name-languages='*' \
--glyph-names \
--symbol-cmap
echo "Wrote $TARGET ($(du -h "$TARGET" | cut -f1))"