image/config: Replace '%s' with %q

wking · wking · commit 45a3d3d43f4f · 2016-10-06T15:59:57.000-07:00
Fewer characters for us, and safer quoting for consumers.

Signed-off-by: W. Trevor King &lt;wking@tremily.us&gt;
diff --git a/image/config.go b/image/config.go
@@ -55,7 +55,7 @@ func findConfig(w walker, d *descriptor) (*config, error) {
 		}
 		// check if the rootfs type is 'layers'
 		if c.RootFS.Type != "layers" {
-			return fmt.Errorf("'%s' is an unknown rootfs type, MUST be 'layers'", c.RootFS.Type)
+			return fmt.Errorf("%q is an unknown rootfs type, MUST be 'layers'", c.RootFS.Type)
 		}
 		return errEOW
 	}); err {

Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@ func findConfig(w walker, d descriptor) (config, error) {`
`55`	`55`	`}`
`56`	`56`	`// check if the rootfs type is 'layers'`
`57`	`57`	`if c.RootFS.Type != "layers" {`
`58`		`- return fmt.Errorf("'%s' is an unknown rootfs type, MUST be 'layers'", c.RootFS.Type)`
	`58`	`+ return fmt.Errorf("%q is an unknown rootfs type, MUST be 'layers'", c.RootFS.Type)`
`59`	`59`	`}`
`60`	`60`	`return errEOW`
`61`	`61`	`}); err {`