use GoReleaser instead

.github/workflows/ci.yml

@@ -58,10 +58,6 @@ jobs:
           sed '1d' profile.cov >> ../profile.cov
         working-directory: ./caddy
 
-      - name: Print version information
-        run: go run main.go version
-        working-directory: ./caddy/mercure 
-
       - name: Upload coverage results
         uses: shogo82148/actions-goveralls@v1
         with:

.goreleaser.yml

@@ -22,6 +22,8 @@ env:
 builds:
 - id: caddy
   dir: caddy/mercure
+  ldflags:
+  - -X 'github.com/caddyserver/caddy/v2.CustomVersion=Mercure.rocks {{ .Version }} Caddy'
   goos:
   - linux
   - darwin

caddy/mercure/main.go

@@ -1,38 +1,14 @@
-// Adapted from https://github.com/caddyserver/xcaddy/blob/b7fd102f41e12be4735dc77b0391823989812ce8/environment.go#L251
+// Copied from https://github.com/caddyserver/xcaddy/blob/b7fd102f41e12be4735dc77b0391823989812ce8/environment.go#L251
 package main
 
 import (
-	"fmt"
-	"runtime/debug"
-
-	caddy "github.com/caddyserver/caddy/v2"
 	caddycmd "github.com/caddyserver/caddy/v2/cmd"
 
 	// plug in Caddy modules here.
 	_ "github.com/caddyserver/caddy/v2/modules/standard"
 	_ "github.com/dunglas/mercure/caddy"
 )
 
-//nolint:gochecknoinits
-func init() {
-	if caddy.CustomVersion != "" {
-		return
-	}
-
-	version := "(unknown)"
-	if bi, ok := debug.ReadBuildInfo(); ok {
-		for _, m := range bi.Deps {
-			if m.Path == "github.com/dunglas/mercure" {
-				version = m.Version
-
-				break
-			}
-		}
-	}
-
-	caddy.CustomVersion = fmt.Sprintf("Mercure.rocks %s Caddy", version)
-}
-
 func main() {
 	caddycmd.Main()
 }