Initial commit

src/download/checksum/update-known-checksums.ts

@@ -0,0 +1,39 @@
+import {promises as fs} from 'fs'
+import * as tc from '@actions/tool-cache'
+export async function updateChecksums(
+  filePath: string,
+  downloadUrls: string[]
+): Promise<void> {
+  await fs.rm(filePath)
+  await fs.appendFile(
+    filePath,
+    '// AUTOGENERATED_DO_NOT_EDIT\nexport const KNOWN_CHECKSUMS: {[key: string]: string} = {\n'
+  )
+  let firstLine = true
+  for (const downloadUrl of downloadUrls) {
+    const content = await downloadAssetContent(downloadUrl)
+    const checksum = content.split(' ')[0].trim()
+    const key = getKey(downloadUrl)
+    if (!firstLine) {
+      await fs.appendFile(filePath, ',\n')
+    }
+    await fs.appendFile(filePath, `  '${key}':\n    '${checksum}'`)
+    firstLine = false
+  }
+  await fs.appendFile(filePath, '}\n')
+}
+
+function getKey(downloadUrl: string): string {
+  // https://github.com/astral-sh/uv/releases/download/0.3.2/uv-aarch64-apple-darwin.tar.gz.sha256
+  const parts = downloadUrl.split('/')
+  const fileName = parts[parts.length - 1]
+  const name = fileName.split('.')[0].split('uv-')[1]
+  const version = parts[parts.length - 2]
+  return `${name}-${version}`
+}
+
+async function downloadAssetContent(downloadUrl: string): Promise<string> {
+  const downloadPath = await tc.downloadTool(downloadUrl)
+  const content = await fs.readFile(downloadPath, 'utf8')
+  return content
+}