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fix(core): accept padded patch markers (#38036)

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Aiden Cline 2026-07-20 23:44:17 -05:00 • committed by GitHub
commit 96dc560833
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2 changed files with 47 additions and 13 deletions
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27
packages/core/src/patch.ts
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@ -54,19 +54,20 @@ export function parse(patchText: string): Result.Result<ReadonlyArray<Hunk>, Par
let index = begin + 1
while (index < end) {
const line = lines[index]!
if (line.startsWith("*** Add File:")) {
const path = line.slice("*** Add File:".length).trim()
const header = line.trim()
if (header.startsWith("*** Add File:")) {
const path = header.slice("*** Add File:".length).trim()
if (!path) {
index++
continue
}
const parsed = parseAdd(lines, index + 1)
const parsed = parseAdd(lines, index + 1, end)
hunks.push({ type: "add", path, contents: parsed.content })
index = parsed.next
continue
}
if (line.startsWith("*** Delete File:")) {
const path = line.slice("*** Delete File:".length).trim()
if (header.startsWith("*** Delete File:")) {
const path = header.slice("*** Delete File:".length).trim()
if (!path) {
index++
continue
@ -75,8 +76,8 @@ export function parse(patchText: string): Result.Result<ReadonlyArray<Hunk>, Par
index++
continue
}
if (line.startsWith("*** Update File:")) {
const path = line.slice("*** Update File:".length).trim()
if (header.startsWith("*** Update File:")) {
const path = header.slice("*** Update File:".length).trim()
if (!path) {
index++
continue
@ -87,7 +88,7 @@ export function parse(patchText: string): Result.Result<ReadonlyArray<Hunk>, Par
movePath = lines[next]!.slice("*** Move to:".length).trim()
next++
}
const parsed = parseUpdate(lines, next)
const parsed = parseUpdate(lines, next, end)
hunks.push({ type: "update", path, movePath, chunks: parsed.chunks })
index = parsed.next
continue
@ -122,20 +123,20 @@ export function joinBom(text: string, bom: boolean) {
return bom ? `\uFEFF${stripped}` : stripped
}
function parseAdd(lines: ReadonlyArray<string>, start: number) {
function parseAdd(lines: ReadonlyArray<string>, start: number, end: number) {
const content: string[] = []
let index = start
while (index < lines.length && !lines[index]!.startsWith("***")) {
while (index < end && !lines[index]!.startsWith("***")) {
if (lines[index]!.startsWith("+")) content.push(lines[index]!.slice(1))
index++
}
return { content: content.join("\n"), next: index }
}
function parseUpdate(lines: ReadonlyArray<string>, start: number) {
function parseUpdate(lines: ReadonlyArray<string>, start: number, end: number) {
const chunks: UpdateFileChunk[] = []
let index = start
while (index < lines.length && !lines[index]!.startsWith("***")) {
while (index < end && !lines[index]!.startsWith("***")) {
if (!lines[index]!.startsWith("@@")) {
index++
continue
@ -145,7 +146,7 @@ function parseUpdate(lines: ReadonlyArray<string>, start: number) {
const newLines: string[] = []
let endOfFile = false
index++
while (index < lines.length && !lines[index]!.startsWith("@@") && !lines[index]!.startsWith("***")) {
while (index < end && !lines[index]!.startsWith("@@") && !lines[index]!.startsWith("***")) {
const line = lines[index]!
if (line.startsWith(" ")) {
oldLines.push(line.slice(1))