Increased save file length to avoid overwrites #26

	name: Check file size
	on:
	pull_request:
	branches: [main]

	# to run this workflow manually from the Actions tab
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	check-file-size:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v6
	with:
	fetch-depth: 0

	- name: Fail if changed files exceed 10MB
	env:
	FILE_SIZE_LIMIT_BYTES: "10485760" # 10MB (HF Spaces sync limit)
	run: \|
	set -euo pipefail

	echo "Checking changed files against limit: ${FILE_SIZE_LIMIT_BYTES} bytes"

	BASE_SHA="${{ github.event.pull_request.base.sha }}"
	HEAD_SHA="${{ github.event.pull_request.head.sha }}"

	echo "Base: ${BASE_SHA}"
	echo "Head: ${HEAD_SHA}"

	git diff --name-only "${BASE_SHA}" "${HEAD_SHA}" > changed_files.txt
	echo "Changed files:"
	cat changed_files.txt

	failed=0
	while IFS= read -r file; do
	[ -z "${file}" ] && continue
	if [ ! -f "${file}" ]; then
	# Deleted files or non-file paths can appear; ignore.
	continue
	fi
	size=$(wc -c < "${file}" \| tr -d ' ')
	if [ "${size}" -gt "${FILE_SIZE_LIMIT_BYTES}" ]; then
	echo "::error file=${file}::File is too large (${size} bytes) > ${FILE_SIZE_LIMIT_BYTES} bytes"
	failed=1
	fi
	done < changed_files.txt

	if [ "${failed}" -ne 0 ]; then
	echo "One or more changed files exceed the size limit."
	exit 1
	fi

	echo "OK: no changed files exceed the size limit."

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