70 lines
2.3 KiB
TypeScript
70 lines
2.3 KiB
TypeScript
import { stripCredentialsFromMessage } from './git-remote-error'
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export function getGitCloneFailureMessage(
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stderr: string,
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options: { clonePath?: string | null } = {}
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): string {
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let fallbackLine: string | null = null
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// Why: clone errors echo the URL the user typed, which is the most likely
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// git error to embed a live token (`https://user:ghp_…@host/repo.git`).
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// Scrub up-front so every return branch operates on already-redacted text,
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// matching normalizeGitErrorMessage.
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const scrubbedStderr = stripCredentialsFromMessage(stderr)
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for (const rawLine of iterateLinesFromEnd(scrubbedStderr)) {
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const line = stripAnsi(rawLine).trim()
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if (!line) {
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continue
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}
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fallbackLine ??= line
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const fatalIndex = line.indexOf('fatal:')
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if (fatalIndex !== -1) {
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return formatGitCloneFailureLine(line.slice(fatalIndex), options)
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}
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const errorIndex = line.indexOf('error:')
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if (errorIndex !== -1) {
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return formatGitCloneFailureLine(line.slice(errorIndex), options)
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}
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}
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return formatGitCloneFailureLine(fallbackLine ?? 'unknown error', options)
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}
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function* iterateLinesFromEnd(value: string): Generator<string> {
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let lineEnd = value.length
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let index = value.length - 1
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while (index >= 0) {
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const code = value.charCodeAt(index)
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if (code !== 10 && code !== 13) {
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index--
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continue
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}
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const delimiterStart =
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code === 10 && index > 0 && value.charCodeAt(index - 1) === 13 ? index - 1 : index
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yield value.slice(index + 1, lineEnd)
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lineEnd = delimiterStart
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index = delimiterStart - 1
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}
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yield value.slice(0, lineEnd)
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}
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function stripAnsi(value: string): string {
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return value.replace(new RegExp(`${String.fromCharCode(27)}\\[[0-9;]*m`, 'g'), '')
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}
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function formatGitCloneFailureLine(line: string, options: { clonePath?: string | null }): string {
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const destinationMatch = line.match(
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/^fatal:\s+destination path '([^']+)' already exists and is not an empty directory\.$/
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)
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if (destinationMatch || /repository exists/i.test(line)) {
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const destination = options.clonePath?.trim() || destinationMatch?.[1] || null
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const target = destination ? `: ${destination}` : ''
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return `Destination already exists and is not empty${target}. Choose a different parent folder, delete the existing folder, or add the existing repository instead.`
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}
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return line
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}
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