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fix(core): compose successive patch updates (#38034)

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Aiden Cline 2026-07-20 23:36:48 -05:00 • committed by GitHub
commit eb4ff91c2d
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2 changed files with 46 additions and 22 deletions
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16
packages/core/test/tool-patch.test.ts
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@ -487,6 +487,22 @@ describe("PatchTool", () => {
),
)
it.live("applies successive update operations to one file", () =>
withTempTool((directory, registry) =>
Effect.gen(function* () {
const target = path.join(directory, "successive.txt")
yield* Effect.promise(() => fs.writeFile(target, "a\nb\n"))
yield* executeTool(
registry,
call(
"*** Begin Patch\n*** Update File: successive.txt\n@@\n-a\n+A\n*** Update File: successive.txt\n@@\n-b\n+B\n*** End Patch",
),
)
expect(yield* Effect.promise(() => fs.readFile(target, "utf8"))).toBe("A\nB\n")
}),
),
)
it.live("does not invent a first-line diff for BOM files", () =>
withTempTool((directory, registry) =>
Effect.gen(function* () {