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package main
import (
"fmt"
"io/fs"
"os"
"strconv"
"strings"
"github.com/spf13/cobra"
)
var templateStr string = `
`
var genCmd = &cobra.Command{
Use: "gen",
Short: "Generate a new boilerplate entrypoint for a day of Advent of Code",
RunE: func(cmd *cobra.Command, args []string) error {
year, day, packageName := "", "", ""
if len(args) == 2 {
parts := strings.SplitN(args[0], "/", 2)
if len(parts) == 2 {
year = parts[0]
day = parts[1]
}
} else {
return fmt.Errorf("Expected two argument in format %q %q", "<year>/<day>", "<packageName>")
}
packageName = fmt.Sprintf("%s", args[1])
if year == "" || day == "" {
return fmt.Errorf("Expected one argument in format %q", "<year>/<day>")
}
_, err := strconv.Atoi(year)
if err != nil {
return fmt.Errorf("Couldn't parse year integer: %q", year)
}
dayInt, err := strconv.Atoi(day)
if err != nil {
return fmt.Errorf("Couldn't parse day integer: %q", day)
}
if dayInt < 1 || dayInt > 25 {
return fmt.Errorf("Day must be between 1 and 25, got %d", dayInt)
}
dayStr := fmt.Sprintf("%02d", dayInt)
fmt.Println(dayStr, packageName)
if err := ensureDir(fmt.Sprintf("%s/%s", year, dayStr)); err != nil {
return fmt.Errorf("Couldn't create directory %s/%s: %v", year, dayStr, err)
}
return nil
},
}
func ensureDir(relativePath string) error {
_, err := os.Stat(relativePath)
if os.IsNotExist(err) {
return os.MkdirAll(relativePath, fs.ModePerm)
}
return nil
}
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