fix: do not get releases.json if version is specific (#502)

closes #489

__tests__/github.test.ts

@@ -86,6 +86,18 @@ describe('getRelease', () => {
     expect(release?.tag_name).toEqual('v2.7.0');
   });
 
+  it('skips JSON check for specific version v2.8.1', async () => {
+    const release = await github.getRelease('goreleaser', 'v2.8.1');
+    expect(release).not.toBeNull();
+    expect(release?.tag_name).toEqual('v2.8.1');
+  });
+
+  it('skips JSON check for specific version without v prefix', async () => {
+    const release = await github.getRelease('goreleaser', '2.8.1');
+    expect(release).not.toBeNull();
+    expect(release?.tag_name).toEqual('v2.8.1');
+  });
+
   it('unknown GoReleaser Pro release', async () => {
     await expect(github.getRelease('goreleaser-pro', 'foo')).rejects.toThrow(
       new Error('Cannot find GoReleaser release foo in https://goreleaser.com/static/releases-pro.json')

src/github.ts

@@ -19,6 +19,21 @@ export const getReleaseTag = async (distribution: string, version: string): Prom
   if (version === 'nightly') {
     return {tag_name: version};
   }
+
+  // If version is a specific version (not a range), skip the JSON check
+  const cleanVersion: string = cleanTag(version);
+  if (semver.valid(cleanVersion)) {
+    let tag = version.startsWith('v') ? version : `v${version}`;
+
+    // Handle GoReleaser Pro suffix for versions < 2.7.0, but only if not already present
+    // TODO: remove all this `-pro` thing at some point.
+    if (goreleaser.isPro(distribution) && semver.lt(cleanVersion, '2.7.0') && !tag.endsWith('-pro')) {
+      tag = tag + goreleaser.distribSuffix(distribution);
+    }
+
+    return {tag_name: tag};
+  }
+
   const tag: string = (await resolveVersion(distribution, version)) || version;
   const suffix: string = goreleaser.distribSuffix(distribution);
   const url = `https://goreleaser.com/static/releases${suffix}.json`;