Merge remote-tracking branch 'origin/master' into nightly

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

src/context.ts

@@ -7,6 +7,7 @@ export const osArch: string = os.arch();
 export interface Inputs {
   distribution: string;
   version: string;
+  versionFile: string;
   args: string;
   workdir: string;
   installOnly: boolean;
@@ -16,6 +17,7 @@ export async function getInputs(): Promise<Inputs> {
   return {
     distribution: core.getInput('distribution') || 'goreleaser',
     version: core.getInput('version') || '~> v2',
+    versionFile: core.getInput('version-file'),
     args: core.getInput('args'),
     workdir: core.getInput('workdir') || '.',
     installOnly: core.getBooleanInput('install-only')

src/main.ts

@@ -4,14 +4,16 @@ import yargs from 'yargs';
 import type {Arguments} from 'yargs';
 import * as context from './context';
 import * as goreleaser from './goreleaser';
+import {getRequestedVersion} from './version';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 
 async function run(): Promise<void> {
   try {
     const inputs: context.Inputs = await context.getInputs();
-    const bin = await goreleaser.install(inputs.distribution, inputs.version);
-    core.info(`GoReleaser ${inputs.version} installed successfully`);
+    const version = getRequestedVersion(inputs);
+    const bin = await goreleaser.install(inputs.distribution, version);
+    core.info(`GoReleaser ${version} installed successfully`);
 
     if (inputs.installOnly) {
       const goreleaserDir = path.dirname(bin);

src/version.ts

@@ -0,0 +1,56 @@
+import * as fs from 'fs';
+import * as path from 'path';
+import {Inputs} from './context';
+
+// Resolves the GoReleaser version to install.
+//
+// When `version-file` is set, it is read from disk and parsed; the resolved
+// value takes precedence over the `version` input. Otherwise, `version` is
+// returned as-is (it always has a default — see context.getInputs).
+export function getRequestedVersion(inputs: Inputs): string {
+  if (!inputs.versionFile) {
+    return inputs.version;
+  }
+
+  const filePath = path.isAbsolute(inputs.versionFile)
+    ? inputs.versionFile
+    : path.join(inputs.workdir || '.', inputs.versionFile);
+
+  if (!fs.existsSync(filePath)) {
+    throw new Error(`version-file not found: ${filePath}`);
+  }
+
+  const basename = path.basename(filePath);
+  const content = fs.readFileSync(filePath, 'utf-8');
+
+  switch (basename) {
+    case '.tool-versions':
+      return parseToolVersions(content, filePath);
+    default:
+      throw new Error(`Unsupported version-file: ${filePath} (only .tool-versions is supported)`);
+  }
+}
+
+// Parses a single `goreleaser <version>` entry out of a `.tool-versions` file
+// (asdf/mise format). Full-line `#` comments and inline `# ...` suffixes are
+// stripped. When a tool lists multiple fallback versions only the first is
+// used. Bare semvers are returned with a leading `v`; constraint expressions
+// (`~> v2`, `latest`, ...) are returned as-is.
+function parseToolVersions(content: string, filePath: string): string {
+  for (const rawLine of content.split('\n')) {
+    const line = rawLine.replace(/#.*$/, '').trim();
+    if (!line) {
+      continue;
+    }
+    const tokens = line.split(/\s+/);
+    if (tokens[0] !== 'goreleaser') {
+      continue;
+    }
+    const version = tokens[1];
+    if (!version) {
+      throw new Error(`No version specified for goreleaser in ${filePath}`);
+    }
+    return /^\d/.test(version) ? `v${version}` : version;
+  }
+  throw new Error(`No goreleaser entry found in ${filePath}`);
+}