feat(cmd/file_templates/go_cli_project): Add command for quick bootst…

…rap of Golang CLI project

cmd/cmd.go

@@ -7,6 +7,7 @@ import (
 	_ "github.com/sikalabs/slu/cmd/file_templates"
 	_ "github.com/sikalabs/slu/cmd/file_templates/editorconfig"
 	_ "github.com/sikalabs/slu/cmd/file_templates/gitignore"
+	_ "github.com/sikalabs/slu/cmd/file_templates/go_cli_project"
 	_ "github.com/sikalabs/slu/cmd/generate_docs"
 	_ "github.com/sikalabs/slu/cmd/gitlab_ci"
 	_ "github.com/sikalabs/slu/cmd/gitlab_ci/skip_stage"

cmd/file_templates/go_cli_project/files.go

@@ -0,0 +1,116 @@
+package go_cli_project
+
+var Files = map[string]string{
+	// README.md
+	"README.md": `# {{.ProjectName}}
+`,
+	".gitignore": `# Mac
+.DS_Store
+
+# Editor
+.vscode
+.idea
+
+# Generic
+*.log
+*.backup
+
+# Go
+{{.ProjectName}}
+*.exe
+/dist/**
+cobra-docs
+`,
+	// .editorconfig
+	".editorconfig": `root = true
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = lf
+max_line_length = off
+[*.go]
+indent_style = tab
+[Makefile]
+indent_style = tab
+`,
+	// go.mod
+	"go.mod": `module {{.Package}}
+
+go 1.16
+
+require (
+	github.com/spf13/cobra v1.2.1
+)
+`,
+	// version/version.go
+	"version/version.go": `package version
+
+var Version string = "v0.1.0-dev"
+`,
+	// cmd/cmd.go
+	"cmd/cmd.go": `package cmd
+
+import (
+	"{{.Package}}/cmd/root"
+	_ "{{.Package}}/cmd/version"
+	"github.com/spf13/cobra"
+)
+
+func Execute() {
+	cobra.CheckErr(root.Cmd.Execute())
+}
+`,
+	// cmd/root/root.go
+	"cmd/root/root.go": `
+package root
+
+import (
+	"{{.Package}}/version"
+	"github.com/spf13/cobra"
+)
+
+var Cmd = &cobra.Command{
+	Use:   "{{.ProjectName}}",
+	Short: "{{.ProjectName}}, " + version.Version,
+}
+`,
+	// cmd/version/version.go
+	"cmd/version/version.go": `package version
+
+import (
+	"fmt"
+
+	"{{.Package}}/cmd/root"
+	"{{.Package}}/version"
+	"github.com/spf13/cobra"
+)
+
+var Cmd = &cobra.Command{
+	Use:     "version",
+	Short:   "Prints version",
+	Aliases: []string{"v"},
+	Args:    cobra.NoArgs,
+	Run: func(c *cobra.Command, args []string) {
+		fmt.Printf("%s\n", version.Version)
+	},
+}
+
+func init() {
+	root.Cmd.AddCommand(Cmd)
+}
+`,
+	// main.go
+	"main.go": `package main
+
+import (
+	"{{.Package}}/cmd"
+)
+
+func main() {
+	cmd.Execute()
+}
+`,
+}

cmd/file_templates/go_cli_project/go_cli_project.go

@@ -0,0 +1,76 @@
+package go_cli_project
+
+import (
+	"html/template"
+	"os"
+	"path"
+	"path/filepath"
+
+	file_templates_cmd "github.com/sikalabs/slu/cmd/file_templates"
+
+	"github.com/spf13/cobra"
+)
+
+var CmdFlagPathPrefix string
+var CmdFlagProjectName string
+var CmdFlagPackage string
+
+type TemplateVariables struct {
+	ProjectName string
+	Package     string
+}
+
+var Cmd = &cobra.Command{
+	Use:   "go-cli-project",
+	Short: "Create Golang CLI project",
+	Args:  cobra.NoArgs,
+	Run: func(c *cobra.Command, args []string) {
+		for filename, content := range Files {
+			_ = content
+			fullPath := path.Join(CmdFlagPathPrefix, filename)
+			err := os.MkdirAll(filepath.Dir(fullPath), os.ModePerm)
+			if err != nil {
+				panic(err)
+			}
+			t, err := template.New(fullPath).Parse(content)
+			if err != nil {
+				panic(err)
+			}
+			f, err := os.Create(fullPath)
+			if err != nil {
+				panic(err)
+			}
+			defer f.Close()
+			t.Execute(f, TemplateVariables{
+				ProjectName: CmdFlagProjectName,
+				Package:     CmdFlagPackage,
+			})
+		}
+	},
+}
+
+func init() {
+	file_templates_cmd.Cmd.AddCommand(Cmd)
+	Cmd.Flags().StringVar(
+		&CmdFlagPathPrefix,
+		"path",
+		".",
+		"Path prefix",
+	)
+	Cmd.Flags().StringVarP(
+		&CmdFlagProjectName,
+		"project-name",
+		"n",
+		"",
+		"Project name {{.ProjectName}}",
+	)
+	Cmd.MarkFlagRequired("project-name")
+	Cmd.Flags().StringVarP(
+		&CmdFlagPackage,
+		"package",
+		"p",
+		"",
+		"Package {{.Package}}",
+	)
+	Cmd.MarkFlagRequired("package")
+}