fix: remove default value of deps file

Makefile

@@ -1,6 +1,7 @@
 .PHONY: all test-color lint
 
 all: test-color lint
+	go mod tidy
 
 test-color:
 	go install github.com/haunt98/go-test-color@latest

internal/cli/action.go

@@ -6,6 +6,10 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
+const (
+	defaultDepsFile = ".deps"
+)
+
 type action struct {
 	flags struct {
 		depsFile string
@@ -20,12 +24,18 @@ func (a *action) RunHelp(c *cli.Context) error {
 }
 
 func (a *action) getFlags(c *cli.Context) {
-	a.flags.verbose = c.Bool(flagVerbose)
-	a.flags.depsFile = c.String(flagDepsFile)
-	a.flags.depsURL = c.String(flagDepsURL)
+	a.flags.verbose = c.Bool(flagVerboseName)
+
+	a.flags.depsFile = c.String(flagDepsFileName)
+	if a.flags.depsFile == "" {
+		a.log("Fallback to default deps file [%s]\n", defaultDepsFile)
+		a.flags.depsFile = defaultDepsFile
+	}
+
+	a.flags.depsURL = c.String(flagDepsURLName)
 	a.flags.dryRun = c.Bool(flagDryRun)
 
-	a.log("flags %+v", a.flags)
+	a.log("Flags %+v", a.flags)
 }
 
 func (a *action) log(format string, v ...interface{}) {

internal/cli/action_run.go

@@ -96,13 +96,13 @@ func (a *action) runGetImportedModules(c *cli.Context) (map[string]struct{}, err
 	if err := json.Unmarshal([]byte(goOutputStr), &importedModules); err != nil {
 		return nil, fmt.Errorf("failed to json unmarshal: %w", err)
 	}
-	a.log("go output: %s", string(goOutput))
+	a.log("Go output: %s", string(goOutput))
 
 	mapImportedModules := make(map[string]struct{})
 	for _, importedModule := range importedModules {
 		mapImportedModules[importedModule.Path] = struct{}{}
 	}
-	a.log("imported modules: %+v\n", importedModules)
+	a.log("Imported modules: %+v\n", importedModules)
 
 	return mapImportedModules, nil
 }
@@ -157,7 +157,7 @@ func (a *action) runUpgradeModule(
 	if modulePath == "" {
 		return successUpgradedModules, nil
 	}
-	a.log("line: %s", modulePath)
+	a.log("Line: %s", modulePath)
 
 	// Check if modulePath is imported module, otherwise skip
 	if _, ok := mapImportedModules[modulePath]; !ok {
@@ -171,13 +171,13 @@ func (a *action) runUpgradeModule(
 	if err != nil {
 		return successUpgradedModules, fmt.Errorf("failed to run go %+v: %w", strings.Join(goListArgs, " "), err)
 	}
-	a.log("go output: %s", string(goOutput))
+	a.log("Go output: %s", string(goOutput))
 
 	module := Module{}
 	if err := json.Unmarshal(goOutput, &module); err != nil {
 		return successUpgradedModules, fmt.Errorf("failed to json unmarshal: %w", err)
 	}
-	a.log("module: %+v", module)
+	a.log("Module: %+v", module)
 
 	if module.Update == nil {
 		color.PrintAppOK(name, fmt.Sprintf("You already have latest [%s] version [%s]", module.Path, module.Version))
@@ -195,7 +195,7 @@ func (a *action) runUpgradeModule(
 	if err != nil {
 		return successUpgradedModules, fmt.Errorf("failed to run go %+v: %w", strings.Join(goGetArgs, " "), err)
 	}
-	a.log("go output: %s", string(goOutput))
+	a.log("Go output: %s", string(goOutput))
 
 	successUpgradedModules = append(successUpgradedModules, module)
 
@@ -215,7 +215,7 @@ func (a *action) runGoMod(c *cli.Context, existVendor bool) error {
 	if err != nil {
 		return fmt.Errorf("failed to run go %+v: %w", strings.Join(goModArgs, " "), err)
 	}
-	a.log("go output: %s", string(goOutput))
+	a.log("Go output: %s", string(goOutput))
 
 	if existVendor {
 		// go mod vendor
@@ -224,7 +224,7 @@ func (a *action) runGoMod(c *cli.Context, existVendor bool) error {
 		if err != nil {
 			return fmt.Errorf("failed to run go %+v: %w", strings.Join(goModArgs, " "), err)
 		}
-		a.log("go output: %s", string(goOutput))
+		a.log("Go output: %s", string(goOutput))
 	}
 
 	return nil
@@ -258,7 +258,7 @@ func (a *action) runGitCommit(c *cli.Context, successUpgradedModules []Module, e
 	if err != nil {
 		return fmt.Errorf("failed to run git %+v: %w", strings.Join(gitAddArgs, " "), err)
 	}
-	a.log("git output: %s", string(gitOutput))
+	a.log("Git output: %s", string(gitOutput))
 
 	// git commit
 	gitCommitMessage := "build: upgrade modules\n"
@@ -270,7 +270,7 @@ func (a *action) runGitCommit(c *cli.Context, successUpgradedModules []Module, e
 	if err != nil {
 		return fmt.Errorf("failed to run git %+v: %w", strings.Join(gitCommitArgs, " "), err)
 	}
-	a.log("git output: %s", string(gitOutput))
+	a.log("Git output: %s", string(gitOutput))
 
 	return nil
 }

internal/cli/app.go

@@ -11,20 +11,20 @@ const (
 	name  = "update-go-mod"
 	usage = "excatly like the name says"
 
-	flagVerbose  = "verbose"
-	flagDepsFile = "deps-file"
-	flagDepsURL  = "deps-url"
+	commandRunName  = "run"
+	commandRunUsage = "run the program"
+
+	flagVerboseName  = "verbose"
+	flagVerboseUsage = "show what is going on"
+
+	flagDepsFileName  = "deps-file"
+	flagDepsFileUsage = "file which show what deps need to upgrade"
+
+	flagDepsURLName  = "deps-url"
+	flagDepsURLUsage = "url which show what deps need to upgrade"
+
 	flagDryRun     = "dry-run"
-
-	commandRun = "run"
-
-	usageCommandRun  = "run the program"
-	usageFlagVerbose = "show what is going on"
-	usageDepsFile    = "file which show what deps need to upgrade"
-	usageDepsURL     = "url which show what deps need to upgrade"
-	usageDryRun      = "demo what would be done"
-
-	defaultDepsFile = ".deps"
+	flagDryRunName = "demo what would be done"
 )
 
 var aliasFlagVerbose = []string{"v"}
@@ -41,26 +41,25 @@ func NewApp() *App {
 		Usage: usage,
 		Commands: []*cli.Command{
 			{
-				Name:  commandRun,
-				Usage: usageCommandRun,
+				Name:  commandRunName,
+				Usage: commandRunUsage,
 				Flags: []cli.Flag{
 					&cli.BoolFlag{
-						Name:    flagVerbose,
+						Name:    flagVerboseName,
 						Aliases: aliasFlagVerbose,
-						Usage:   usageFlagVerbose,
+						Usage:   flagVerboseUsage,
 					},
 					&cli.StringFlag{
-						Name:  flagDepsFile,
-						Usage: usageDepsFile,
-						Value: defaultDepsFile,
+						Name:  flagDepsFileName,
+						Usage: flagDepsFileUsage,
 					},
 					&cli.StringFlag{
-						Name:  flagDepsURL,
-						Usage: usageDepsURL,
+						Name:  flagDepsURLName,
+						Usage: flagDepsURLUsage,
 					},
 					&cli.BoolFlag{
 						Name:  flagDryRun,
-						Usage: usageDryRun,
+						Usage: flagDryRunName,
 					},
 				},
 				Action: a.Run,