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| 1 | +#!/usr/bin/env bun | |
| 2 | +import { appendFileSync } from "node:fs"; | |
| 3 | + | |
| 4 | +const RELEASE_VERSION_PATTERN = | |
| 5 | + /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|[A-Za-z-][0-9A-Za-z-]*)(?:\.(?:0|[1-9]\d*|[A-Za-z-][0-9A-Za-z-]*))*))?(?:\+([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?$/u; | |
| 6 | + | |
| 7 | +export const validateReleaseVersion = (value: string): string => { | |
| 8 | + if (!RELEASE_VERSION_PATTERN.test(value)) { | |
| 9 | + throw new Error(`Invalid release version: ${value}`); | |
| 10 | + } | |
| 11 | + return value; | |
| 12 | +}; | |
| 13 | + | |
| 14 | +export const validateReleaseTag = (value: string): string => { | |
| 15 | + if (!value.startsWith("v")) { | |
| 16 | + throw new Error(`Invalid release tag: ${value}`); | |
| 17 | + } | |
| 18 | + validateReleaseVersion(value.slice(1)); | |
| 19 | + return value; | |
| 20 | +}; | |
| 21 | + | |
| 22 | +const readEnv = (name: string): string => { | |
| 23 | + const value = process.env[name]; | |
| 24 | + if (!value) { | |
| 25 | + throw new Error(`Missing environment variable: ${name}`); | |
| 26 | + } | |
| 27 | + return value; | |
| 28 | +}; | |
| 29 | + | |
| 30 | +const appendGitHubFile = (path: string | undefined, line: string): void => { | |
| 31 | + if (!path || !line) return; | |
| 32 | + appendFileSync(path, `${line}\n`, "utf8"); | |
| 33 | +}; | |
| 34 | + | |
| 35 | +const run = (): void => { | |
| 36 | + const args = process.argv.slice(2); | |
| 37 | + const tagEnv = readOption(args, "--tag-env"); | |
| 38 | + const versionEnv = readOption(args, "--version-env"); | |
| 39 | + const writeEnv = readOption(args, "--write-env"); | |
| 40 | + const outputName = readOption(args, "--output"); | |
| 41 | + | |
| 42 | + if (tagEnv && versionEnv) { | |
| 43 | + throw new Error("Use either --tag-env or --version-env, not both"); | |
| 44 | + } | |
| 45 | + if (!tagEnv && !versionEnv) { | |
| 46 | + throw new Error("Expected --tag-env or --version-env"); | |
| 47 | + } | |
| 48 | + | |
| 49 | + const tag = tagEnv | |
| 50 | + ? validateReleaseTag(readEnv(tagEnv)) | |
| 51 | + : `v${validateReleaseVersion(readEnv(versionEnv!))}`; | |
| 52 | + | |
| 53 | + appendGitHubFile(process.env.GITHUB_ENV, writeEnv ? `${writeEnv}=${tag}` : ""); | |
| 54 | + appendGitHubFile(process.env.GITHUB_OUTPUT, outputName ? `${outputName}=${tag}` : ""); | |
| 55 | + console.log(`Validated release tag ${tag}`); | |
| 56 | +}; | |
| 57 | + | |
| 58 | +const readOption = (args: ReadonlyArray<string>, name: string): string | undefined => { | |
| 59 | + const index = args.indexOf(name); | |
| 60 | + if (index === -1) return undefined; | |
| 61 | + const value = args[index + 1]; | |
| 62 | + if (!value || value.startsWith("--")) { | |
| 63 | + throw new Error(`Missing value for ${name}`); | |
| 64 | + } | |
| 65 | + return value; | |
| 66 | +}; | |
| 67 | + | |
| 68 | +if (import.meta.main) { | |
| 69 | + run(); | |
| 70 | +} | |