testsAndMisc/meta/scripts/run_prettier_capped.sh
Krzysztof Rudnicki c600760e71 Move billsplit Flutter app into the monorepo
billsplit was a standalone Flutter app in ~/Downloads with one commit and no
git remote — that directory was the only copy of its history.

Three things the move needed beyond copying the tree:

- The root .gitignore silently swallowed 32 of its files (*.png, *.ico,
  *.manifest). Ignored files do not error on `git add`, they just vanish, so
  this would have committed an app that cannot build. Added a trailing block
  of ! overrides plus .binary-allowlist (which did not exist yet) — the
  documented in-repo exception for binaries a build genuinely needs. The
  ../testsAndMisc_binaries/ symlink scheme does not apply: those directories
  are gone, and a symlinked PNG breaks a fresh clone.

- billsplit/.github/workflows/ci.yaml was inert once nested; GitHub only reads
  workflows at the repository root. Relocated with a working-directory and a
  billsplit/** path filter.

- The app's coverage gate moved to python_pkg/billsplit_coverage/ so every
  Python file stays under python_pkg/, and gained a test suite at 100% branch
  coverage as that location requires. billsplit/ now holds only Dart.

Also replaces the stock Flutter icon with a family icon from the shared
generator. The glyph is a filled silhouette because the family's 72px stroke
cannot carry a fine torn edge, and the split is an evenodd-cut perforation so
the holes stay transparent on the foreground and monochrome layers.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 12:22:22 +02:00

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#!/usr/bin/env bash
# Run prettier --check inside its own systemd-run scope so its memory
# budget is independent of the outer pre-push cgroup (which has already
# accumulated page-cache footprint from pytest/mypy/pylint/bandit).
#
# Falls back to a direct invocation when systemd-run is unavailable
# (CI / containers without systemd user instance).
set -euo pipefail
if [ $# -eq 0 ]; then
exit 0
fi
# Cap Node heap on top of the cgroup limit for belt-and-braces safety.
export NODE_OPTIONS="${NODE_OPTIONS:-} --max-old-space-size=384"
# Measured peak RSS checking the 14 yaml/json/markdown files of a large commit
# is ~0.10 GiB, so 512M is ample. The cap must also stay small enough to be
# satisfiable inside a tighter outer scope: a request larger than the caller's
# budget gets this OOM-killed from the inside rather than merely throttled.
if command -v systemd-run >/dev/null 2>&1 &&
systemctl --user is-active --quiet default.target 2>/dev/null ||
command -v systemd-run >/dev/null 2>&1; then
exec systemd-run --user --scope --quiet --collect \
-p MemoryMax=512M \
-p MemorySwapMax=0 \
-- prettier --check "$@"
fi
exec prettier --check "$@"