From 947b4fd5792410f9435a6675816f2b1f2342190e Mon Sep 17 00:00:00 2001
From: Joshua Casey <joshuatcasey@gmail.com>
Date: Wed, 1 Mar 2023 16:18:25 -0600
Subject: [PATCH] Add helper script to give you all the commands to update all
 go mod dependencies

---
 .github/dependabot.yml              |  6 +++++
 hack/update-go-mod/go.mod           |  5 ++++
 hack/update-go-mod/go.sum           |  2 ++
 hack/update-go-mod/main.go          | 42 +++++++++++++++++++++++++++++
 hack/update-go-mod/update-go-mod.sh | 14 ++++++++++
 5 files changed, 69 insertions(+)
 create mode 100644 hack/update-go-mod/go.mod
 create mode 100644 hack/update-go-mod/go.sum
 create mode 100644 hack/update-go-mod/main.go
 create mode 100755 hack/update-go-mod/update-go-mod.sh

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index b67bf4f5..c106b0f1 100644
--- a/.github/dependabot.yml
+++ b/.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:
diff --git a/hack/update-go-mod/go.mod b/hack/update-go-mod/go.mod
new file mode 100644
index 00000000..29351324
--- /dev/null
+++ b/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
diff --git a/hack/update-go-mod/go.sum b/hack/update-go-mod/go.sum
new file mode 100644
index 00000000..083110b4
--- /dev/null
+++ b/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=
diff --git a/hack/update-go-mod/main.go b/hack/update-go-mod/main.go
new file mode 100644
index 00000000..ce61031c
--- /dev/null
+++ b/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")
+}
diff --git a/hack/update-go-mod/update-go-mod.sh b/hack/update-go-mod/update-go-mod.sh
new file mode 100755
index 00000000..7abde96c
--- /dev/null
+++ b/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