speed up queries on deep txn chains in funk #10542

	name: Trailing Whitespace
	on:
	pull_request:
	jobs:
	check:
	name: trailing-whitespace
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 2

	- name: Check for whitespace errors
	run: \|
	#!/bin/sh

	if git rev-parse --verify HEAD >/dev/null 2>&1
	then
	against=HEAD
	else
	# Initial commit: diff against an empty tree object
	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
	fi

	# Redirect output to stderr.
	exec 1>&2

	# If there are whitespace errors, print the offending file names and fail.
	if git show --check
	then
	echo "No whitespace errors detected."
	else
	echo "Whitespace errors detected! Please correct them and try again."
	exit 1
	fi

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