fix: truncate headers/redirects in logs

[ehmicky]

Fixes #4163

This PR re-enables #4172, but without the bug.

Also, regression tests have now been added to make sure re-enabling this PR is now safe.

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[ehmicky]

This function, cleanupConfig() is only used in code that prints the configuration object (GitHub search). It does not mutate its arguments, only return a new object. Therefore, it cannot modify the netlify.toml used in deploys.

build/packages/build/src/log/messages/config.js

Lines 70 to 95 in f246f53

	export const logConfig = function ({ logs, netlifyConfig, debug }) {
	if (!debug) {
	return
	}
	logSubHeader(logs, 'Resolved config')
	logObject(logs, cleanupConfig(netlifyConfig))
	}
	export const logConfigOnUpdate = function ({ logs, netlifyConfig, debug }) {
	if (!debug) {
	return
	}
	logSubHeader(logs, 'Updated config')
	logObject(logs, cleanupConfig(netlifyConfig))
	}
	export const logConfigOnError = function ({ logs, netlifyConfig, severity }) {
	if (netlifyConfig === undefined || severity === 'none') {
	return
	}
	logMessage(logs, THEME.errorSubHeader('Resolved config'))
	logObject(logs, cleanupConfig(netlifyConfig))
	}

build/packages/config/src/log/main.js

Lines 17 to 48 in f246f53

	// Log `defaultConfig` option in debug mode
	export const logDefaultConfig = function (defaultConfig, { logs, debug, baseRelDir }) {
	if (!debug || defaultConfig === undefined) {
	return
	}
	logSubHeader(logs, 'UI build settings')
	logObject(logs, cleanupConfig({ ...defaultConfig, baseRelDir }))
	}
	// Log `inlineConfig` option in debug mode
	export const logInlineConfig = function (initialConfig, { logs, debug }) {
	if (!debug || Object.keys(initialConfig).length === 0) {
	return
	}
	logSubHeader(logs, 'Configuration override')
	logObject(logs, cleanupConfig(initialConfig))
	}
	// Log return value of `@netlify/config` in debug mode
	export const logResult = function ({ configPath, buildDir, config, context, branch, env }, { logs, debug }) {
	if (!debug) {
	return
	}
	logSubHeader(logs, 'Resolved build environment')
	logObject(logs, { configPath, buildDir, context, branch, env: cleanupEnvironment(env) })
	logSubHeader(logs, 'Resolved config')
	logObject(logs, cleanupConfig(config))
	}