Add helper script to give you all the commands to update all go mod dependencies

.github/dependabot.yml

@@ -8,6 +8,12 @@ updates:
     schedule:
       interval: "daily"
 
+  - package-ecosystem: "gomod"
+    open-pull-requests-limit: 2
+    directory: "/hack/update-go-mod"
+    schedule:
+      interval: "daily"
+
   - package-ecosystem: "docker"
     directory: "/"
     schedule:

hack/update-go-mod/go.mod

@@ -0,0 +1,5 @@
+module go.pinniped.dev/update-go-mod
+
+go 1.18
+
+require golang.org/x/mod v0.8.0

hack/update-go-mod/go.sum

@@ -0,0 +1,2 @@
+golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
+golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=

hack/update-go-mod/main.go

@@ -0,0 +1,42 @@
+package main
+
+// Copyright 2023 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+
+	"golang.org/x/mod/modfile"
+)
+
+func main() {
+	goModFilepath := filepath.Clean(os.Args[1])
+
+	if _, err := os.Stat(goModFilepath); err != nil {
+		log.Fatalf("File '%s' does not exist\n", goModFilepath)
+	}
+
+	var (
+		bytes []byte
+		err   error
+	)
+	if bytes, err = os.ReadFile(goModFilepath); err != nil {
+		log.Fatalf("Unable to read file '%s'\n", goModFilepath)
+	}
+
+	file, err := modfile.Parse(goModFilepath, bytes, nil)
+	if err != nil {
+		log.Fatalf("Unable to parse file '%s'\n", goModFilepath)
+	}
+
+	for _, require := range file.Require {
+		if !require.Indirect {
+			fmt.Printf("go get %s &&\n", require.Mod.Path)
+		}
+	}
+
+	fmt.Printf("./hack/module.sh tidy\n")
+}

hack/update-go-mod/update-go-mod.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# Copyright 2023 the Pinniped contributors. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+set -euo pipefail
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+GO_MOD="${SCRIPT_DIR}/../../go.mod"
+
+pushd "${SCRIPT_DIR}" > /dev/null
+  go run . "${GO_MOD}"
+popd > /dev/null