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main.go
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package main
import (
"log"
"os"
"strings"
)
var (
projectName string
)
func init() {
// Ascertain that the user has provided a project name.
if len(os.Args) < 1 {
log.Fatalln("Error: The project name was not been given.")
} else {
projectName = os.Args[1]
}
// Check to see if the folder or file you're looking for already exists.
if folderExists(projectName) || fileExists(projectName) {
log.Fatalf("Error: Failed to create %s directory.\n", projectName)
}
}
func main() {
createProjectStructure()
}
// Create Project Structure
func createProjectStructure() {
// Create project folder
createFolder(projectName)
// Create assets folder
createFolder(projectName + "/assets")
writeToFile(projectName+"/assets/README.md", "### `/assets`")
// Create assets folder
createFolder(projectName + "/cmd")
writeToFile(projectName+"/cmd/README.md", "### `/cmd`")
// Create build folder
createFolder(projectName + "/build")
writeToFile(projectName+"/build/README.md", "### `/build`")
// Create pkg folder
createFolder(projectName + "/pkg")
writeToFile(projectName+"/pkg/README.md", "### `/pkg`")
// Create internal folder
createFolder(projectName + "/internal")
writeToFile(projectName+"/internal/README.md", "### `/internal`")
// Create scripts folder
createFolder(projectName + "/scripts")
writeToFile(projectName+"/scripts/README.md", "### `/scripts`")
// Create vendor folder
createFolder(projectName + "/vendor")
writeToFile(projectName+"/vendor/README.md", "### `/vendor`")
// Create main.go file
main := `package main
import (
"fmt"
)
func main() {
fmt.Println("Hello, World!")
}`
writeToFile(projectName+"/main.go", main)
// Let's make a go.mod file and name it after the project.
gomod := `module [Project_Name]
go 1.22`
newContents := strings.Replace(gomod, ("[Project_Name]"), (projectName), -1)
writeToFile(projectName+"/go.mod", newContents)
// Create the go.sum file, but keep it blank because we don't have any dependencies.
writeToFile(projectName+"/go.sum", "")
// The README.md file's contents
readme := `# [Project_Name]`
// Let's change the string to the name of the project.
newContents = strings.Replace(readme, (`[Project_Name]`), (projectName), -1)
// Let's create a readme file for the entire repository.
writeToFile(projectName+"/README.md", newContents)
}
// Check to see if a folder already exists.
func folderExists(foldername string) bool {
info, err := os.Stat(foldername)
if err != nil {
return false
}
return info.IsDir()
}
// Check to see whether a file already exists.
func fileExists(filename string) bool {
info, err := os.Stat(filename)
if err != nil {
return false
}
return !info.IsDir()
}
// Don't append and write to file
func writeToFile(path string, content string) {
err := os.WriteFile(path, []byte(content), 0644)
if err != nil {
log.Fatalln(err)
}
}
// Create a folder in the system.
func createFolder(foldername string) {
err := os.MkdirAll(foldername, 0755)
if err != nil {
log.Fatalf("Error: Failed to create %s directory.\n", foldername)
}
}