move the cli to the cli/ package so enterprising individuals can call it

cli/commands.go

@@ -1,4 +1,4 @@
-package main
+package cli
 
 import (
 	"os"

cli/main.go

@@ -0,0 +1,37 @@
+package cli
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/mitchellh/cli"
+)
+
+func Run(args []string) int {
+	// Get the command line args. We shortcut "--version" and "-v" to
+	// just show the version.
+	for _, arg := range args {
+		if arg == "-v" || arg == "--version" {
+			newArgs := make([]string, len(args)+1)
+			newArgs[0] = "version"
+			copy(newArgs[1:], args)
+			args = newArgs
+			break
+		}
+	}
+
+	cli := &cli.CLI{
+		Args:     args,
+		Commands: Commands,
+		HelpFunc: cli.FilteredHelpFunc(
+			CommandsInclude, cli.BasicHelpFunc("vault")),
+	}
+
+	exitCode, err := cli.Run()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error executing CLI: %s\n", err.Error())
+		return 1
+	}
+
+	return exitCode
+}

cli/version.go

@@ -1,4 +1,4 @@
-package main
+package cli
 
 // The git commit that was compiled. This will be filled in by the compiler.
 var GitCommit string

main.go

@@ -1,42 +1,11 @@
 package main
 
 import (
-	"fmt"
 	"os"
 
-	"github.com/mitchellh/cli"
+	"github.com/hashicorp/vault/cli"
 )
 
 func main() {
-	os.Exit(realMain())
+	os.Exit(cli.Run(os.Args[1:]))
-}
-
-func realMain() int {
-	// Get the command line args. We shortcut "--version" and "-v" to
-	// just show the version.
-	args := os.Args[1:]
-	for _, arg := range args {
-		if arg == "-v" || arg == "--version" {
-			newArgs := make([]string, len(args)+1)
-			newArgs[0] = "version"
-			copy(newArgs[1:], args)
-			args = newArgs
-			break
-		}
-	}
-
-	cli := &cli.CLI{
-		Args:     args,
-		Commands: Commands,
-		HelpFunc: cli.FilteredHelpFunc(
-			CommandsInclude, cli.BasicHelpFunc("vault")),
-	}
-
-	exitCode, err := cli.Run()
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "Error executing CLI: %s\n", err.Error())
-		return 1
-	}
-
-	return exitCode
 }

scripts/build.sh

@@ -40,7 +40,7 @@ echo "==> Building..."
 gox \
     -os="${XC_OS}" \
     -arch="${XC_ARCH}" \
-    -ldflags "-X main.GitCommit ${GIT_COMMIT}${GIT_DIRTY}" \
+    -ldflags "-X github.com/hashicorp/vault/cli.GitCommit ${GIT_COMMIT}${GIT_DIRTY}" \
     -output "pkg/{{.OS}}_{{.Arch}}/vault" \
     .