Add missing dependency

vendor/github.com/jmespath/go-jmespath/cmd/jpgo/main.go

@@ -0,0 +1,96 @@
+/*Basic command line interface for debug and testing purposes.
+
+Examples:
+
+Only print the AST for the expression:
+
+    jp.go -ast "foo.bar.baz"
+
+Evaluate the JMESPath expression against JSON data from a file:
+
+    jp.go -input /tmp/data.json "foo.bar.baz"
+
+This program can also be used as an executable to the jp-compliance
+runner (github.com/jmespath/jmespath.test).
+
+*/
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+)
+
+import (
+	"encoding/json"
+
+	"github.com/jmespath/go-jmespath"
+)
+
+func errMsg(msg string, a ...interface{}) int {
+	fmt.Fprintf(os.Stderr, msg, a...)
+	fmt.Fprintln(os.Stderr)
+	return 1
+}
+
+func run() int {
+
+	astOnly := flag.Bool("ast", false, "Print the AST for the input expression and exit.")
+	inputFile := flag.String("input", "", "Filename containing JSON data to search. If not provided, data is read from stdin.")
+
+	flag.Parse()
+	args := flag.Args()
+	if len(args) != 1 {
+		fmt.Fprintf(os.Stderr, "Usage:\n\n")
+		flag.PrintDefaults()
+		return errMsg("\nError: expected a single argument (the JMESPath expression).")
+	}
+
+	expression := args[0]
+	parser := jmespath.NewParser()
+	parsed, err := parser.Parse(expression)
+	if err != nil {
+		if syntaxError, ok := err.(jmespath.SyntaxError); ok {
+			return errMsg("%s\n%s\n", syntaxError, syntaxError.HighlightLocation())
+		}
+		return errMsg("%s", err)
+	}
+	if *astOnly {
+		fmt.Println("")
+		fmt.Printf("%s\n", parsed)
+		return 0
+	}
+
+	var inputData []byte
+	if *inputFile != "" {
+		inputData, err = ioutil.ReadFile(*inputFile)
+		if err != nil {
+			return errMsg("Error loading file %s: %s", *inputFile, err)
+		}
+	} else {
+		// If an input data file is not provided then we read the
+		// data from stdin.
+		inputData, err = ioutil.ReadAll(os.Stdin)
+		if err != nil {
+			return errMsg("Error reading from stdin: %s", err)
+		}
+	}
+	var data interface{}
+	json.Unmarshal(inputData, &data)
+	result, err := jmespath.Search(expression, data)
+	if err != nil {
+		return errMsg("Error executing expression: %s", err)
+	}
+	toJSON, err := json.MarshalIndent(result, "", "  ")
+	if err != nil {
+		return errMsg("Error serializing result to JSON: %s", err)
+	}
+	fmt.Println(string(toJSON))
+	return 0
+}
+
+func main() {
+	os.Exit(run())
+}