use semver standard library for version check

deps.ts

@@ -1,12 +1,14 @@
+import * as semver from "https://deno.land/[email protected]/semver/mod.ts";
+export { semver };
 export {
-  magenta,
+  bold,
+  brightGreen,
   brightMagenta,
   cyan,
-  bold,
+  gray,
   green,
+  magenta,
   red,
-  brightGreen,
-  gray,
   yellow,
 } from "https://deno.land/[email protected]/fmt/colors.ts";
 export { z } from "https://deno.land/x/[email protected]/mod.ts";
@@ -15,22 +17,22 @@ export { existsSync } from "https://deno.land/[email protected]/fs/exists.ts";
 export { load } from "https://deno.land/[email protected]/dotenv/mod.ts";
 export { Secret } from "https://deno.land/x/[email protected]/prompt/secret.ts";
 export {
-  prompt,
-  Input,
   Confirm,
+  Input,
+  prompt,
 } from "https://deno.land/x/[email protected]/prompt/mod.ts";
 import dir from "https://deno.land/x/[email protected]/mod.ts";
 export { dir };
-export { walkSync, walk } from "https://deno.land/[email protected]/fs/walk.ts";
+export { walk, walkSync } from "https://deno.land/[email protected]/fs/walk.ts";
 export type { WalkEntry } from "https://deno.land/[email protected]/fs/walk.ts";
 export {
   BlobReader,
   BlobWriter,
   TextReader,
   TextWriter,
+  Uint8ArrayReader,
   ZipReader,
   ZipWriter,
-  Uint8ArrayReader,
 } from "https://deno.land/x/[email protected]/index.js";
 import introspect from "https://cdn.jsdelivr.net/gh/fluentci-io/daggerverse@main/deno-sdk/sdk/src/mod/introspect.ts";
 export { introspect };

src/cmd/upgrade.ts

@@ -1,5 +1,5 @@
 import { VERSION } from "../consts.ts";
-import { yellow, green } from "../../deps.ts";
+import { green, semver, yellow } from "../../deps.ts";
 
 /**
  * Upgrades FluentCI by installing the latest version from the Deno registry.
@@ -28,36 +28,31 @@ async function upgrade() {
 export default upgrade;
 
 export async function checkForUpdate(options: { checkUpdate: boolean }) {
-  const { checkUpdate } = options
+  const { checkUpdate } = options;
   if (!checkUpdate) {
-    return
+    return;
   }
 
   try {
-    const result = await fetch("https://api.github.com/repos/fluentci-io/fluentci/releases/latest")
-    const releaseInfo = await result.json()
-
-   if (versionGreaterThan(releaseInfo.tag_name, VERSION)) {
+    const result = await fetch(
+      "https://api.github.com/repos/fluentci-io/fluentci/releases/latest",
+    );
+    const releaseInfo = await result.json();
+
+    const latestVersion = semver.parse(releaseInfo.tag_name);
+    const currentVersion = semver.parse(VERSION);
+
+    if (semver.gt(latestVersion, currentVersion)) {
       console.log(
-    `${green('A new release of fluentci is available:')} ${VERSION} → ${releaseInfo.tag_name} \nTo upgrade: run fluentci upgrade\n${releaseInfo.url}
-   `)
+        `${
+          green("A new release of fluentci is available:")
+        } ${VERSION} → ${releaseInfo.tag_name} \nTo upgrade: run fluentci upgrade\n${releaseInfo.url}
+   `,
+      );
     }
   } catch (e) {
     console.log(`
-      ${yellow('WARNING: ')} checking for udpate failed ${e}
-    `)
-  }
-}
-
-export const versionGreaterThan = (v1: string, v2: string): boolean => {
-  const numbers1 = v1.replace('v', '').split('.').map(Number)
-  const numbers2 = v2.replace('v', '').split('.').map(Number)
-
-  for (let i = 0; i < 3; i++) {
-    if (numbers1[i] > numbers2[i]) {
-      return true;
-    }
+      ${yellow("WARNING: ")} checking for udpate failed ${e}
+    `);
   }
-
-  return false;
 }