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util.go
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/
util.go
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package adb
import (
"bytes"
"context"
"fmt"
"log"
"os/exec"
)
var adb string
const killed = 130
func init() {
path, err := exec.LookPath("adb")
if err != nil {
log.Printf("%v", ErrNotInstalled)
adb = ""
return
}
adb = path
}
func execute(ctx context.Context, args []string) (string, string, int, error) {
var (
err error
stderr bytes.Buffer
stdout bytes.Buffer
code int
output string
warnings string
)
if adb == "" {
panic(ErrNotInstalled)
}
cmd := exec.CommandContext(ctx, adb, args...)
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err = cmd.Run()
output = stdout.String()
warnings = stderr.String()
code = cmd.ProcessState.ExitCode()
customErr := filterErr(warnings)
if customErr != nil {
err = customErr
}
if _, ok := err.(*exec.ExitError); ok && code != 0 {
err = fmt.Errorf("received error code %d for stderr `%s`: %w", code, warnings, ErrUnspecified)
}
return output, warnings, code, err
}
// filterErr matches known output strings against the stderr.
//
// The inferred error type is then returned.
// TODO: implement
func filterErr(stderr string) error {
return nil
}