Function printAmbiguousHint

cli/command/image/list.go:197–216

printAmbiguousHint prints an informational warning if the provided filter argument is ambiguous. The "docker images" top-level subcommand predates the "docker " convention (e.g. "docker image ls"), but accepts a positional argument to search/filter images by name (globbing). It's com

(stdErr io.Writer, matchName string)

// Disallowing these search-terms would be a breaking change, but we can print
// and informational message to help the users correct their mistake.
func printAmbiguousHint(stdErr io.Writer, matchName string) {
	switch matchName {
	// List of subcommands for "docker image" and their aliases (see "docker image --help"):
	case "build",
		"history",
		"import",
		"inspect",
		"list",
		"load",
		"ls",
		"prune",
		"pull",
		"push",
		"rm",
		"save",
		"tag":

		_, _ = fmt.Fprintf(stdErr, "No images found matching %q: did you mean \"docker image %[1]s\"?\n", matchName)
	}
}