github.com/paketo-buildpacks/packit@v1.3.2-0.20211206231111-86b75c657449/internal/environment_writer.go (about)

     1  package internal
     2  
     3  import (
     4  	"os"
     5  	"path/filepath"
     6  )
     7  
     8  type EnvironmentWriter struct{}
     9  
    10  func NewEnvironmentWriter() EnvironmentWriter {
    11  	return EnvironmentWriter{}
    12  }
    13  
    14  func (w EnvironmentWriter) Write(dir string, env map[string]string) error {
    15  	if len(env) == 0 {
    16  		return nil
    17  	}
    18  
    19  	err := os.MkdirAll(dir, os.ModePerm)
    20  	if err != nil {
    21  		return err
    22  	}
    23  
    24  	for key, value := range env {
    25  		err := os.WriteFile(filepath.Join(dir, key), []byte(value), 0644)
    26  		if err != nil {
    27  			return err
    28  		}
    29  	}
    30  
    31  	return nil
    32  }