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process.go
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process.go
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package main
import (
"fmt"
"io"
"os"
"os/exec"
)
type Process struct {
Command string
Env Env
Interactive bool
Stdin io.Reader
Stdout io.Writer
Stderr io.Writer
Root string
cmd *exec.Cmd
}
func NewProcess(command string, env Env) (p *Process) {
p = new(Process)
p.Command = command
p.Env = env
p.Interactive = false
p.Stdin = os.Stdin
p.Stdout = os.Stdout
p.Stderr = os.Stderr
p.Root, _ = os.Getwd()
return
}
func (p *Process) Running() bool {
return (p.cmd.Process != nil)
}
func (p *Process) Pid() int {
return p.cmd.Process.Pid
}
func (p *Process) Wait() {
p.cmd.Wait()
}
func (p *Process) shellArgument() string {
if p.Interactive {
return "-ic"
} else {
return "-c"
}
}
func (p *Process) envAsArray() (env []string) {
for _, pair := range os.Environ() {
env = append(env, pair)
}
for name, val := range p.Env {
env = append(env, fmt.Sprintf("%s=%s", name, val))
}
return
}