This repository has been archived on 2024-02-15. You can view files and clone it, but cannot push or open issues or pull requests.
config-mapper/internal/files.go
2022-02-26 15:46:14 +01:00

165 lines
3.4 KiB
Go

package mapper
import (
"errors"
"fmt"
"io"
"os"
"path"
"runtime"
"github.com/pterm/pterm"
)
var (
ErrCopy = errors.New("failed to copy some files")
ErrUnsupportedOS = errors.New("unsupported OS. Please, contact the maintainer")
)
func LoadFiles(files []ItemLocation, location string) error {
haveErr := false
p, _ := pterm.DefaultProgressbar.WithTotal(len(files)).WithTitle("Loading files onto your system").Start()
for _, f := range files {
var src, dst string
var err error
switch runtime.GOOS {
case "linux":
src, dst, err = getPaths(f.Linux, location)
if err != nil {
pterm.Error.Println(fmt.Sprintf("failed to destination resolve path \"%s\": %v", f.Linux, err))
haveErr = true
continue
}
case "darwin":
src, dst, err = getPaths(f.Darwin, location)
if err != nil {
pterm.Error.Println(fmt.Sprintf("failed to destination resolve path \"%s\": %v", f.Darwin, err))
haveErr = true
continue
}
default:
return ErrUnsupportedOS
}
if err := os.MkdirAll(path.Dir(dst), 0755); err != nil {
pterm.Error.Printfln(fmt.Sprintf("failed to create directory architecture for destination path \"%s\": %v", dst, err))
haveErr = true
continue
}
p.UpdateTitle(fmt.Sprintf("copying %s", src))
if err := createFile(src, dst); err != nil {
pterm.Error.Println(fmt.Sprintf("failed to load file from \"%s\" to \"%s\": %v", src, dst, err))
haveErr = true
continue
}
pterm.Success.Println(fmt.Sprintf("%s copied", src))
}
p.Stop()
if haveErr {
return ErrCopy
}
return nil
}
func SaveFiles(files []ItemLocation, location string) error {
haveErr := false
pterm.DefaultSection.Println("Save files into saved location")
p, _ := pterm.DefaultProgressbar.WithTotal(len(files)).Start()
for _, f := range files {
var src, dst string
var err error
p.UpdateTitle(fmt.Sprintf("copying %s", src))
switch runtime.GOOS {
case "linux":
dst, src, err = getPaths(f.Linux, location)
if err != nil {
pterm.Error.Println(fmt.Sprintf("failed to destination resolve path \"%s\": %v", f.Linux, err))
haveErr = true
continue
}
case "darwin":
dst, src, err = getPaths(f.Darwin, location)
if err != nil {
pterm.Error.Println(fmt.Sprintf("failed to destination resolve path \"%s\": %v", f.Darwin, err))
haveErr = true
continue
}
default:
return ErrUnsupportedOS
}
if err := os.MkdirAll(path.Dir(dst), 0755); err != nil {
pterm.Error.Printfln(fmt.Sprintf("failed to create directory architecture for destination path \"%s\": %v", dst, err))
haveErr = true
continue
}
if err := createFile(src, dst); err != nil {
pterm.Error.Println(fmt.Sprintf("failed to load file from \"%s\" to \"%s\": %v", src, dst, err))
haveErr = true
continue
}
pterm.Success.Println(fmt.Sprintf("%s copied", src))
p.Increment()
}
p.Stop()
if haveErr {
return ErrCopy
}
return nil
}
func createFile(src, dst string) error {
buf := make([]byte, 4096)
s, err := os.Stat(src)
if err != nil {
return err
}
srcFile, err := os.Open(src)
if err != nil {
return err
}
defer srcFile.Close()
dstFile, err := os.Create(dst)
if err != nil {
return err
}
defer dstFile.Close()
for {
n, err := srcFile.Read(buf)
if err != nil && err != io.EOF {
return err
}
if n == 0 {
break
}
if _, err := dstFile.Write(buf[:n]); err != nil {
return err
}
}
if err := os.Chmod(dst, s.Mode()); err != nil {
return err
}
return nil
}