From c047a2929f6407fc40cedb5517a059515230a755 Mon Sep 17 00:00:00 2001
From: Shekhar Vaidya <shekhar.vaidya2@hotmail.com>
Date: Sun, 21 Jun 2026 21:03:20 +0530
Subject: [PATCH] feat(cli): Version var injected via ldflags, updated --help
 text

---
 .github/workflows/cli-release.yml | 10 ++++++----
 cli/main.go                       | 14 ++++++++++++++
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/cli-release.yml b/.github/workflows/cli-release.yml
index 022f292..c033772 100644
--- a/.github/workflows/cli-release.yml
+++ b/.github/workflows/cli-release.yml
@@ -20,11 +20,13 @@ jobs:
       - name: Build binaries
         working-directory: cli
         run: |
+          VERSION="${{ github.ref_name }}"
+          VERSION="${VERSION#cli/v}"
           mkdir -p ../dist
-          GOOS=linux   GOARCH=amd64 go build -ldflags="-s -w" -o ../dist/msdl-linux-amd64   .
-          GOOS=darwin  GOARCH=amd64 go build -ldflags="-s -w" -o ../dist/msdl-darwin-amd64  .
-          GOOS=darwin  GOARCH=arm64 go build -ldflags="-s -w" -o ../dist/msdl-darwin-arm64  .
-          GOOS=windows GOARCH=amd64 go build -ldflags="-s -w" -o ../dist/msdl-windows-amd64.exe .
+          GOOS=linux   GOARCH=amd64 go build -ldflags="-s -w -X main.Version=${VERSION}" -o ../dist/msdl-linux-amd64   .
+          GOOS=darwin  GOARCH=amd64 go build -ldflags="-s -w -X main.Version=${VERSION}" -o ../dist/msdl-darwin-amd64  .
+          GOOS=darwin  GOARCH=arm64 go build -ldflags="-s -w -X main.Version=${VERSION}" -o ../dist/msdl-darwin-arm64  .
+          GOOS=windows GOARCH=amd64 go build -ldflags="-s -w -X main.Version=${VERSION}" -o ../dist/msdl-windows-amd64.exe .
 
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v2
diff --git a/cli/main.go b/cli/main.go
index 5a07250..3596774 100644
--- a/cli/main.go
+++ b/cli/main.go
@@ -13,6 +13,10 @@ import (
 	"time"
 )
 
+// Version is injected at build time via -ldflags "-X main.Version=0.3.0".
+// Falls back to "dev" for local builds.
+var Version = "dev"
+
 // contributeURL is the MSDL backend endpoint that warms the shared link cache.
 // Override with MSDL_API_URL env var, e.g. export MSDL_API_URL=http://localhost:3002
 const contributeSecret = "msdl-contribute-2026"
@@ -78,6 +82,13 @@ Usage:
 
 Flags:`)
 		fs.PrintDefaults()
+		fmt.Fprintln(os.Stderr, `
+Environment:
+  MSDL_NO_TELEMETRY=1    Disable anonymous usage reporting and update checks
+  MSDL_NO_CONTRIBUTE=1   Disable cache contribution
+  MSDL_API_URL=<url>     Override backend URL (default: https://api.msdl.tech-latest.com)
+
+More info: https://msdl.tech-latest.com/cli`)
 	}
 
 	productID := fs.String("id", "", "consumer product ID (skips product picker)")
@@ -87,6 +98,9 @@ Flags:`)
 	noContributeFlag := fs.Bool("no-contribute", false, "skip sharing the link with the msdl.tech cache")
 
 	if err := fs.Parse(args); err != nil {
+		if err == flag.ErrHelp {
+			return nil // fs.Usage already printed
+		}
 		return err
 	}
 	query := strings.Join(fs.Args(), " ")