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package icmd
import (
"io"
"os"
"time"
)
// CmdOp is an operation which modified a Cmd structure used to execute commands
type CmdOp func(*Cmd)
// WithTimeout sets the timeout duration of the command
func WithTimeout(timeout time.Duration) CmdOp {
return func(c *Cmd) {
c.Timeout = timeout
}
}
// WithEnv sets the environment variable of the command.
// Each arguments are in the form of KEY=VALUE
func WithEnv(env ...string) CmdOp {
return func(c *Cmd) {
c.Env = env
}
}
// Dir sets the working directory of the command
func Dir(path string) CmdOp {
return func(c *Cmd) {
c.Dir = path
}
}
// WithStdin sets the standard input of the command to the specified reader
func WithStdin(r io.Reader) CmdOp {
return func(c *Cmd) {
c.Stdin = r
}
}
// WithExtraFile adds a file descriptor to the command
func WithExtraFile(f *os.File) CmdOp {
return func(c *Cmd) {
c.ExtraFiles = append(c.ExtraFiles, f)
}
}
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