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29 lines
698 B
Go
29 lines
698 B
Go
package tools
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import (
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"context"
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"io"
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"os/exec"
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"regexp"
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"github.com/creack/pty"
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)
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// oscRe strips OSC terminal sequences emitted by the PTY (e.g. colour queries).
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var oscRe = regexp.MustCompile(`\x1b\][^\x07\x1b]*(?:\x07|\x1b\\)`)
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// RunWithPTY runs cmd under a pseudo-terminal (preserving ANSI colours) and
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// returns the full output once the process exits.
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func RunWithPTY(ctx context.Context, cmd *exec.Cmd) (string, error) {
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ptmx, err := pty.StartWithSize(cmd, &pty.Winsize{Rows: 50, Cols: 220})
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if err != nil {
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return "", err
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}
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defer func() { _ = ptmx.Close() }()
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output, _ := io.ReadAll(ptmx)
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_ = cmd.Wait()
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return oscRe.ReplaceAllString(string(output), ""), ctx.Err()
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}
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