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cmd.go
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cmd.go
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package cmd
import (
"fmt"
"github.com/jingweno/gh/utils"
"github.com/kballard/go-shellquote"
"os"
"os/exec"
"strings"
)
type Cmd struct {
Name string
Args []string
}
func (cmd Cmd) String() string {
return fmt.Sprintf("%s %s", cmd.Name, strings.Join(cmd.Args, " "))
}
func (cmd *Cmd) WithArg(arg string) *Cmd {
if arg != "" {
cmd.Args = append(cmd.Args, arg)
}
return cmd
}
func (cmd *Cmd) WithArgs(args ...string) *Cmd {
for _, arg := range args {
cmd.WithArg(arg)
}
return cmd
}
func (cmd *Cmd) ExecOutput() (string, error) {
output, err := exec.Command(cmd.Name, cmd.Args...).CombinedOutput()
return string(output), err
}
func (cmd *Cmd) Exec() error {
binary, lookErr := exec.LookPath(cmd.Name)
if lookErr != nil {
return fmt.Errorf("command not found: %s", cmd.Name)
}
c := exec.Command(binary, cmd.Args...)
c.Stdin = os.Stdin
c.Stdout = os.Stdout
c.Stderr = os.Stderr
return c.Run()
}
func New(cmd string) *Cmd {
cmds, err := shellquote.Split(cmd)
utils.Check(err)
name := cmds[0]
args := make([]string, 0)
for _, arg := range cmds[1:] {
args = append(args, arg)
}
return &Cmd{Name: name, Args: args}
}
func NewWithArray(cmd []string) *Cmd {
return &Cmd{Name: cmd[0], Args: cmd[1:]}
}