/
scripting.go
84 lines (78 loc) · 1.88 KB
/
scripting.go
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package scripting
import (
"context"
"fmt"
"io/fs"
"os"
"path/filepath"
"github.com/mattn/go-shellwords"
)
type Script interface {
Run() error
Location() string
}
func NewScript(ctx context.Context, command string) (script Script, err error) {
parser := shellwords.NewParser()
parser.ParseBacktick = true
parser.ParseEnv = true
var sw []string
sw, err = parser.Parse(command)
if err != nil {
return
}
if len(sw) == 0 {
return nil, fmt.Errorf("scripting: empty command")
} else if len(sw) >= 2 && sw[0] == "sudo" {
bin := sw[1]
ext := filepath.Ext(bin)
switch ext {
case ".go":
newSW := append([]string{"sudo", "-E", "kopyaship", "run"}, sw[1:]...)
script = newExec(ctx, newSW...)
case ".sh":
script = newShellScript(ctx, "bash", true, sw[1:]...)
case ".zsh":
script = newShellScript(ctx, "zsh", true, sw[1:]...)
default:
var stat fs.FileInfo
stat, err = os.Stat(bin)
if err == nil && stat.IsDir() {
err = fmt.Errorf("reading scripts from directories is not supported at the moment")
break
} else {
err = nil
}
script = newExec(ctx, sw...)
}
} else {
bin := sw[0]
ext := filepath.Ext(bin)
switch ext {
case ".go":
script, err = newYaegiScript(ctx, sw...)
// If error occurs, don't break and directly return
// because yaegi already includes the script location.
if err != nil {
return nil, fmt.Errorf("scripting: %v", err)
}
case ".sh":
script = newShellScript(ctx, "bash", false, sw...)
case ".zsh":
script = newShellScript(ctx, "zsh", false, sw...)
default:
var stat fs.FileInfo
stat, err = os.Stat(bin)
if err == nil && stat.IsDir() {
err = fmt.Errorf("reading scripts from directories is not supported at the moment")
break
} else {
err = nil
}
script = newExec(ctx, sw...)
}
}
if err != nil {
err = fmt.Errorf("scripting: %s: %v", command, err)
}
return
}