Ophestra Umiker
d8f76f3b25
More sandbox features will be added and this will no longer track ego's features and behaviour. Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
40 lines
617 B
Go
40 lines
617 B
Go
package util
|
|
|
|
import (
|
|
"io"
|
|
"os"
|
|
"os/exec"
|
|
)
|
|
|
|
func Which(file string) (string, bool) {
|
|
p, err := exec.LookPath(file)
|
|
return p, err == nil
|
|
}
|
|
|
|
func CopyFile(dst, src string) error {
|
|
srcD, err := os.Open(src)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer func() {
|
|
if srcD.Close() != nil {
|
|
// unreachable
|
|
panic("src file closed prematurely")
|
|
}
|
|
}()
|
|
|
|
dstD, err := os.OpenFile(dst, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer func() {
|
|
if dstD.Close() != nil {
|
|
// unreachable
|
|
panic("dst file closed prematurely")
|
|
}
|
|
}()
|
|
|
|
_, err = io.Copy(dstD, srcD)
|
|
return err
|
|
}
|