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| 1 | import { readFileSync, writeFileSync } from "node:fs"; |
| 2 | import { resolve } from "node:path"; |
| 3 | import { fileURLToPath } from "node:url"; |
| 4 | |
| 5 | interface MacUpdateFile { |
| 6 | readonly url: string; |
| 7 | readonly sha512: string; |
| 8 | readonly size: number; |
| 9 | } |
| 10 | |
| 11 | type MacUpdateScalar = string | number | boolean; |
| 12 | |
| 13 | interface MacUpdateManifest { |
| 14 | readonly version: string; |
| 15 | readonly releaseDate: string; |
| 16 | readonly files: ReadonlyArray<MacUpdateFile>; |
| 17 | readonly extras: Readonly<Record<string, MacUpdateScalar>>; |
| 18 | } |
| 19 | |
| 20 | interface MutableMacUpdateFile { |
| 21 | url?: string; |
| 22 | sha512?: string; |
| 23 | size?: number; |
| 24 | } |
| 25 | |
| 26 | function stripSingleQuotes(value: string): string { |
| 27 | if (value.startsWith("'") && value.endsWith("'")) { |
| 28 | return value.slice(1, -1).replace(/''/g, "'"); |
| 29 | } |
| 30 | return value; |
| 31 | } |
| 32 | |
| 33 | function parseFileRecord( |
| 34 | currentFile: MutableMacUpdateFile | null, |
| 35 | sourcePath: string, |
| 36 | lineNumber: number, |
| 37 | ): MacUpdateFile | null { |
| 38 | if (currentFile === null) { |
| 39 | return null; |
| 40 | } |
| 41 | if ( |
| 42 | typeof currentFile.url !== "string" || |
| 43 | typeof currentFile.sha512 !== "string" || |
| 44 | typeof currentFile.size !== "number" |
| 45 | ) { |
| 46 | throw new Error( |
| 47 | `Invalid macOS update manifest at ${sourcePath}:${lineNumber}: incomplete file entry.`, |
| 48 | ); |
| 49 | } |
| 50 | return { |
| 51 | url: currentFile.url, |
| 52 | sha512: currentFile.sha512, |
| 53 | size: currentFile.size, |
| 54 | }; |
| 55 | } |
| 56 | |
| 57 | function parseScalarValue(rawValue: string): MacUpdateScalar { |
| 58 | const trimmed = rawValue.trim(); |
| 59 | const isQuoted = trimmed.startsWith("'") && trimmed.endsWith("'") && trimmed.length >= 2; |
| 60 | const value = isQuoted ? trimmed.slice(1, -1).replace(/''/g, "'") : trimmed; |
| 61 | if (isQuoted) return value; |
| 62 | if (value === "true") return true; |
| 63 | if (value === "false") return false; |
| 64 | if (/^-?\d+(?:\.\d+)?$/.test(value)) { |
| 65 | return Number(value); |
| 66 | } |
| 67 | return value; |
| 68 | } |
| 69 | |
| 70 | export function parseMacUpdateManifest(raw: string, sourcePath: string): MacUpdateManifest { |
| 71 | const lines = raw.split(/\r?\n/); |
| 72 | const files: MacUpdateFile[] = []; |
| 73 | const extras: Record<string, MacUpdateScalar> = {}; |
| 74 | let version: string | null = null; |
| 75 | let releaseDate: string | null = null; |
| 76 | let inFiles = false; |
| 77 | let currentFile: MutableMacUpdateFile | null = null; |
| 78 | |
| 79 | for (const [index, rawLine] of lines.entries()) { |
| 80 | const lineNumber = index + 1; |
| 81 | const line = rawLine.trimEnd(); |
| 82 | if (line.length === 0) continue; |
| 83 | |
| 84 | const fileUrlMatch = line.match(/^ - url:\s*(.+)$/); |
| 85 | if (fileUrlMatch?.[1]) { |
| 86 | const finalized = parseFileRecord(currentFile, sourcePath, lineNumber); |
| 87 | if (finalized) files.push(finalized); |
| 88 | currentFile = { url: stripSingleQuotes(fileUrlMatch[1].trim()) }; |
| 89 | inFiles = true; |
| 90 | continue; |
| 91 | } |
| 92 | |
| 93 | const fileShaMatch = line.match(/^ sha512:\s*(.+)$/); |
| 94 | if (fileShaMatch?.[1]) { |
| 95 | if (currentFile === null) { |
| 96 | throw new Error( |
| 97 | `Invalid macOS update manifest at ${sourcePath}:${lineNumber}: sha512 without a file entry.`, |
| 98 | ); |
| 99 | } |
| 100 | currentFile.sha512 = stripSingleQuotes(fileShaMatch[1].trim()); |
| 101 | continue; |
| 102 | } |
| 103 | |
| 104 | const fileSizeMatch = line.match(/^ size:\s*(\d+)$/); |
| 105 | if (fileSizeMatch?.[1]) { |
| 106 | if (currentFile === null) { |
| 107 | throw new Error( |
| 108 | `Invalid macOS update manifest at ${sourcePath}:${lineNumber}: size without a file entry.`, |
| 109 | ); |
| 110 | } |
| 111 | currentFile.size = Number(fileSizeMatch[1]); |
| 112 | continue; |
| 113 | } |
| 114 | |
| 115 | if (line === "files:") { |
| 116 | inFiles = true; |
| 117 | continue; |
| 118 | } |
| 119 | |
| 120 | if (inFiles && currentFile !== null) { |
| 121 | const finalized = parseFileRecord(currentFile, sourcePath, lineNumber); |
| 122 | if (finalized) files.push(finalized); |
| 123 | currentFile = null; |
| 124 | } |
| 125 | inFiles = false; |
| 126 | |
| 127 | const topLevelMatch = line.match(/^([A-Za-z][A-Za-z0-9]*):\s*(.+)$/); |
| 128 | if (!topLevelMatch?.[1] || topLevelMatch[2] === undefined) { |
| 129 | throw new Error( |
| 130 | `Invalid macOS update manifest at ${sourcePath}:${lineNumber}: unsupported line '${line}'.`, |
| 131 | ); |
| 132 | } |
| 133 | |
| 134 | const [, key, rawValue] = topLevelMatch; |
| 135 | const value = parseScalarValue(rawValue); |
| 136 | |
| 137 | if (key === "version") { |
| 138 | if (typeof value !== "string") { |
| 139 | throw new Error( |
| 140 | `Invalid macOS update manifest at ${sourcePath}:${lineNumber}: version must be a string.`, |
| 141 | ); |
| 142 | } |
| 143 | version = value; |
| 144 | continue; |
| 145 | } |
| 146 | |
| 147 | if (key === "releaseDate") { |
| 148 | if (typeof value !== "string") { |
| 149 | throw new Error( |
| 150 | `Invalid macOS update manifest at ${sourcePath}:${lineNumber}: releaseDate must be a string.`, |
| 151 | ); |
| 152 | } |
| 153 | releaseDate = value; |
| 154 | continue; |
| 155 | } |
| 156 | |
| 157 | if (key === "path" || key === "sha512") { |
| 158 | continue; |
| 159 | } |
| 160 | |
| 161 | extras[key] = value; |
| 162 | } |
| 163 | |
| 164 | const finalized = parseFileRecord(currentFile, sourcePath, lines.length); |
| 165 | if (finalized) files.push(finalized); |
| 166 | |
| 167 | if (!version) { |
| 168 | throw new Error(`Invalid macOS update manifest at ${sourcePath}: missing version.`); |
| 169 | } |
| 170 | if (!releaseDate) { |
| 171 | throw new Error(`Invalid macOS update manifest at ${sourcePath}: missing releaseDate.`); |
| 172 | } |
| 173 | if (files.length === 0) { |
| 174 | throw new Error(`Invalid macOS update manifest at ${sourcePath}: missing files.`); |
| 175 | } |
| 176 | |
| 177 | return { |
| 178 | version, |
| 179 | releaseDate, |
| 180 | files, |
| 181 | extras, |
| 182 | }; |
| 183 | } |
| 184 | |
| 185 | function mergeExtras( |
| 186 | primary: Readonly<Record<string, MacUpdateScalar>>, |
| 187 | secondary: Readonly<Record<string, MacUpdateScalar>>, |
| 188 | ): Record<string, MacUpdateScalar> { |
| 189 | const merged: Record<string, MacUpdateScalar> = { ...primary }; |
| 190 | |
| 191 | for (const [key, value] of Object.entries(secondary)) { |
| 192 | const existing = merged[key]; |
| 193 | if (existing !== undefined && existing !== value) { |
| 194 | throw new Error( |
| 195 | `Cannot merge macOS update manifests: conflicting '${key}' values ('${existing}' vs '${value}').`, |
| 196 | ); |
| 197 | } |
| 198 | merged[key] = value; |
| 199 | } |
| 200 | |
| 201 | return merged; |
| 202 | } |
| 203 | |
| 204 | export function mergeMacUpdateManifests( |
| 205 | primary: MacUpdateManifest, |
| 206 | secondary: MacUpdateManifest, |
| 207 | ): MacUpdateManifest { |
| 208 | if (primary.version !== secondary.version) { |
| 209 | throw new Error( |
| 210 | `Cannot merge macOS update manifests with different versions (${primary.version} vs ${secondary.version}).`, |
| 211 | ); |
| 212 | } |
| 213 | |
| 214 | const filesByUrl = new Map<string, MacUpdateFile>(); |
| 215 | for (const file of [...primary.files, ...secondary.files]) { |
| 216 | const existing = filesByUrl.get(file.url); |
| 217 | if (existing && (existing.sha512 !== file.sha512 || existing.size !== file.size)) { |
| 218 | throw new Error( |
| 219 | `Cannot merge macOS update manifests: conflicting file entry for ${file.url}.`, |
| 220 | ); |
| 221 | } |
| 222 | filesByUrl.set(file.url, file); |
| 223 | } |
| 224 | |
| 225 | return { |
| 226 | version: primary.version, |
| 227 | releaseDate: |
| 228 | primary.releaseDate >= secondary.releaseDate ? primary.releaseDate : secondary.releaseDate, |
| 229 | files: [...filesByUrl.values()], |
| 230 | extras: mergeExtras(primary.extras, secondary.extras), |
| 231 | }; |
| 232 | } |
| 233 | |
| 234 | function quoteYamlString(value: string): string { |
| 235 | return `'${value.replace(/'/g, "''")}'`; |
| 236 | } |
| 237 | |
| 238 | function serializeScalarValue(value: MacUpdateScalar): string { |
| 239 | if (typeof value === "string") { |
| 240 | return quoteYamlString(value); |
| 241 | } |
| 242 | return String(value); |
| 243 | } |
| 244 | |
| 245 | export function serializeMacUpdateManifest(manifest: MacUpdateManifest): string { |
| 246 | const lines = [`version: ${manifest.version}`, "files:"]; |
| 247 | |
| 248 | for (const file of manifest.files) { |
| 249 | lines.push(` - url: ${file.url}`); |
| 250 | lines.push(` sha512: ${file.sha512}`); |
| 251 | lines.push(` size: ${file.size}`); |
| 252 | } |
| 253 | |
| 254 | for (const key of Object.keys(manifest.extras).toSorted()) { |
| 255 | const value = manifest.extras[key]; |
| 256 | if (value === undefined) { |
| 257 | throw new Error(`Cannot serialize macOS update manifest: missing value for '${key}'.`); |
| 258 | } |
| 259 | lines.push(`${key}: ${serializeScalarValue(value)}`); |
| 260 | } |
| 261 | |
| 262 | lines.push(`releaseDate: ${quoteYamlString(manifest.releaseDate)}`); |
| 263 | lines.push(""); |
| 264 | return lines.join("\n"); |
| 265 | } |
| 266 | |
| 267 | function main(args: ReadonlyArray<string>): void { |
| 268 | const [arm64PathArg, x64PathArg, outputPathArg] = args; |
| 269 | if (!arm64PathArg || !x64PathArg) { |
| 270 | throw new Error( |
| 271 | "Usage: node scripts/merge-mac-update-manifests.ts <latest-mac.yml> <latest-mac-x64.yml> [output-path]", |
| 272 | ); |
| 273 | } |
| 274 | |
| 275 | const arm64Path = resolve(arm64PathArg); |
| 276 | const x64Path = resolve(x64PathArg); |
| 277 | const outputPath = resolve(outputPathArg ?? arm64PathArg); |
| 278 | |
| 279 | const arm64Manifest = parseMacUpdateManifest(readFileSync(arm64Path, "utf8"), arm64Path); |
| 280 | const x64Manifest = parseMacUpdateManifest(readFileSync(x64Path, "utf8"), x64Path); |
| 281 | const merged = mergeMacUpdateManifests(arm64Manifest, x64Manifest); |
| 282 | writeFileSync(outputPath, serializeMacUpdateManifest(merged)); |
| 283 | } |
| 284 | |
| 285 | if (process.argv[1] && resolve(process.argv[1]) === fileURLToPath(import.meta.url)) { |
| 286 | main(process.argv.slice(2)); |
| 287 | } |
Noah Gregory <noahmgregory@gmail.com> 2026-03-08 21:03:18-04:00
GitHub <noreply@github.com> 2026-03-08 18:03:18-07:00