From be0241570a7d35008b6b9b48fbc498dcf7e4212f Mon Sep 17 00:00:00 2001
From: Alif Rachmawadi <arch@subosito.com>
Date: Fri, 16 Aug 2019 18:59:11 +0700
Subject: [PATCH] handle .x version syntax

---
 lib/installer.js |  9 +++++++++
 src/installer.ts | 19 +++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/lib/installer.js b/lib/installer.js
index b8ad76e..0063225 100644
--- a/lib/installer.js
+++ b/lib/installer.js
@@ -24,6 +24,7 @@ const tc = __importStar(require("@actions/tool-cache"));
 const fs = __importStar(require("fs"));
 const path = __importStar(require("path"));
 const restm = __importStar(require("typed-rest-client/RestClient"));
+const semver = __importStar(require("semver"));
 const v4_1 = __importDefault(require("uuid/v4"));
 const exec_1 = require("@actions/exec/lib/exec");
 const IS_WINDOWS = process.platform === 'win32';
@@ -179,6 +180,14 @@ function getLatestVersion(version, channel) {
         if (!storage) {
             throw new Error('unable to get latest version');
         }
+        if (version.endsWith('.x')) {
+            const sver = version.slice(0, version.length - 2);
+            const releases = storage.releases.filter(release => release.version.startsWith(`v${sver}`) && release.channel === channel);
+            const versions = releases.map(release => release.version.slice(1, release.version.length));
+            const sortedVersions = versions.sort(semver.rcompare);
+            core.debug(`latest version of ${version} from channel ${channel} is ${sortedVersions[0]}`);
+            return sortedVersions[0];
+        }
         const channelVersion = storage.releases.find(release => release.hash === storage.current_release[channel]);
         if (!channelVersion) {
             throw new Error(`unable to get latest version from channel ${channel}`);
diff --git a/src/installer.ts b/src/installer.ts
index 286bf7c..1eb0748 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -4,6 +4,7 @@ import * as tc from '@actions/tool-cache';
 import * as fs from 'fs';
 import * as path from 'path';
 import * as restm from 'typed-rest-client/RestClient';
+import * as semver from 'semver';
 import uuidV4 from 'uuid/v4';
 import {exec} from '@actions/exec/lib/exec';
 
@@ -218,6 +219,24 @@ async function getLatestVersion(
     throw new Error('unable to get latest version');
   }
 
+  if (version.endsWith('.x')) {
+    const sver = version.slice(0, version.length - 2);
+    const releases = storage.releases.filter(
+      release =>
+        release.version.startsWith(`v${sver}`) && release.channel === channel
+    );
+    const versions = releases.map(release =>
+      release.version.slice(1, release.version.length)
+    );
+    const sortedVersions = versions.sort(semver.rcompare);
+
+    core.debug(
+      `latest version of ${version} from channel ${channel} is ${sortedVersions[0]}`
+    );
+
+    return sortedVersions[0];
+  }
+
   const channelVersion = storage.releases.find(
     release => release.hash === storage.current_release[channel]
   );