From 1066e05a1f6395e5175c039139573ad2de66a540 Mon Sep 17 00:00:00 2001
From: Tianon Gravi <admwiggin@gmail.com>
Date: Tue, 6 Jun 2017 11:20:45 -0700
Subject: [PATCH] Add "arch" function for "bashbrew cat" to access the current
 architecture string

```console
$ bashbrew cat --format '{{ arch }}' ubuntu
amd64
$ bashbrew --arch=s390x cat --format '{{ arch }}' ubuntu
s390x
$ BASHBREW_ARCH=s390x bashbrew cat --format '{{ arch }}' ubuntu
s390x
```
---
 go/src/bashbrew/cmd-cat.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/go/src/bashbrew/cmd-cat.go b/go/src/bashbrew/cmd-cat.go
index 24df8fc..4664be1 100644
--- a/go/src/bashbrew/cmd-cat.go
+++ b/go/src/bashbrew/cmd-cat.go
@@ -42,6 +42,9 @@ func cmdCat(c *cli.Context) error {
 		"i": func() int {
 			return i
 		},
+		"arch": func() string {
+			return arch
+		},
 	}).Parse(format)
 	if err != nil {
 		return cli.NewMultiError(tmplMultiErr, err)