Feature/dependency pinning and update automation (#5451)

* * handle local flag
* add managerfactory handling for local flag
* add shortName handling for local flag
* add dot git file handling for local flag
* add tests

* fix normal listing

* add ParseGitRepository function, add viper, add testing for utils

* add latest tag logic, add auto pinning and auto fetching

* makke gorepomod list works with --local

* make pinning works with local flag, enable auto update on fork and non-fork repo

* fix: refactor to pass linter

* refactor code and fix comments

* edit README

* refactor code to pass linting

* refactor code

* refactor code and enable patch branch label

* ru add license

* fbackward compatibility for unpin

cmd/gorepomod/gorepomod_test.go

@@ -0,0 +1,86 @@
+// Copyright 2023 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package main
+
+import (
+	"os/exec"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestListCommand(t *testing.T) {
+	// Assuming gorepomod is installed
+	var testCases = map[string]struct {
+		isFork   bool
+		cmd      string
+		expected string
+	}{
+		"upstreamWithLocalFlag": {
+			isFork: false,
+			cmd:    "cd ../.. && gorepomod list --local",
+		},
+		"upstreamWithNoLocalFlag": {
+			isFork: false,
+			cmd:    "cd ../.. && gorepomod list",
+		},
+		"forkWithLocalFlag": {
+			isFork: true,
+			cmd:    "cd ../.. && gorepomod list --local",
+		},
+		"forkWithNoLocalFlag": {
+			isFork: true,
+			cmd:    "cd ../.. && gorepomod list",
+		},
+	}
+
+	for _, tc := range testCases {
+		bash, err := exec.LookPath("bash")
+		if err != nil {
+			t.Error("bash not found")
+		}
+		out, err := exec.Command(bash, "-c", tc.cmd).Output()
+		if err != nil {
+			assert.Error(t, err, "exit status 1")
+		}
+		assert.Greater(t, len(string(out)), 1)
+	}
+}
+
+func TestPinCommand(t *testing.T) {
+	// Assuming gorepomod is installed
+	var testCases = map[string]struct {
+		isFork bool
+		cmd    string
+	}{
+		"upstreamWithLocalFlag": {
+			isFork: false,
+			cmd:    "cd ../.. && gorepomod pin kyaml --local",
+		},
+		"upstreamWithNoLocalFlag": {
+			isFork: false,
+			cmd:    "cd ../.. && gorepomod pin kyaml",
+		},
+		"forkWithLocalFlag": {
+			isFork: true,
+			cmd:    "cd ../.. && gorepomod pin kyaml --local",
+		},
+		"forkWithNoLocalFlag": {
+			isFork: true,
+			cmd:    "cd ../.. && gorepomod pin kyaml",
+		},
+	}
+
+	for _, tc := range testCases {
+		bash, err := exec.LookPath("bash")
+		if err != nil {
+			t.Error("bash not found")
+		}
+		out, err := exec.Command(bash, "-c", tc.cmd).Output()
+		if err != nil {
+			assert.Error(t, err, "exit status 1")
+		}
+		assert.Greater(t, len(string(out)), 1)
+	}
+}