From 8f6f9865d49d044e2fdc5e97bb0cc4fac155162e Mon Sep 17 00:00:00 2001
From: Matthew Holt <mholt@users.noreply.github.com>
Date: Sat, 16 Jan 2021 12:52:33 -0700
Subject: [PATCH] cmd: Print more detailed version with --environ

---
 cmd/commandfuncs.go | 14 +-------------
 cmd/main.go         | 21 ++++++++++++++++++++-
 2 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/cmd/commandfuncs.go b/cmd/commandfuncs.go
index 1ee7dd87c..bf24c240f 100644
--- a/cmd/commandfuncs.go
+++ b/cmd/commandfuncs.go
@@ -336,19 +336,7 @@ func cmdReload(fl Flags) (int, error) {
 }
 
 func cmdVersion(_ Flags) (int, error) {
-	goModule := caddy.GoModule()
-	fmt.Print(goModule.Version)
-	if goModule.Sum != "" {
-		// a build with a known version will also have a checksum
-		fmt.Printf(" %s", goModule.Sum)
-	}
-	if goModule.Replace != nil {
-		fmt.Printf(" => %s", goModule.Replace.Path)
-		if goModule.Replace.Version != "" {
-			fmt.Printf(" %s", goModule.Replace.Version)
-		}
-	}
-	fmt.Println()
+	fmt.Println(caddyVersion())
 	return caddy.ExitCodeSuccess, nil
 }
 
diff --git a/cmd/main.go b/cmd/main.go
index 2dfb8677f..564343190 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -415,7 +415,7 @@ func printEnvironment() {
 	fmt.Printf("caddy.AppDataDir=%s\n", caddy.AppDataDir())
 	fmt.Printf("caddy.AppConfigDir=%s\n", caddy.AppConfigDir())
 	fmt.Printf("caddy.ConfigAutosavePath=%s\n", caddy.ConfigAutosavePath)
-	fmt.Printf("caddy.Version=%s\n", caddy.GoModule().Version)
+	fmt.Printf("caddy.Version=%s\n", caddyVersion())
 	fmt.Printf("runtime.GOOS=%s\n", runtime.GOOS)
 	fmt.Printf("runtime.GOARCH=%s\n", runtime.GOARCH)
 	fmt.Printf("runtime.Compiler=%s\n", runtime.Compiler)
@@ -432,6 +432,25 @@ func printEnvironment() {
 	}
 }
 
+// caddyVersion returns a detailed version string, if available.
+func caddyVersion() string {
+	goModule := caddy.GoModule()
+	ver := goModule.Version
+	if goModule.Sum != "" {
+		ver += " " + goModule.Sum
+	}
+	if goModule.Replace != nil {
+		ver += " => " + goModule.Replace.Path
+		if goModule.Replace.Version != "" {
+			ver += "@" + goModule.Replace.Version
+		}
+		if goModule.Replace.Sum != "" {
+			ver += " " + goModule.Replace.Sum
+		}
+	}
+	return ver
+}
+
 // moveStorage moves the old default dataDir to the new default dataDir.
 // TODO: This is TEMPORARY until the release candidates.
 func moveStorage() {