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term.ReadPassword reads the terminal with a raw read that returns 0 bytes at the end of input and takes that as nothing yet, so Ctrl-D at the prompt did nothing. On the Unix systems the prompt now sets the terminal as ReadPassword does and reads the line from standard input, which reports the end of input; elsewhere, such as Windows, it still uses ReadPassword. Ctrl-D with nothing typed gives an empty mnemonic, refused with status 1, and the terminal settings are put back. A test runs the tool on a pseudo-terminal (github.com/creack/pty, at a commit past v1.1.24, whose Open on Linux can return another pty's terminal) and types Ctrl-D at the prompt. Model: opus-5-5
19 lines
479 B
Go
19 lines
479 B
Go
//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos
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package mnemonic
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import (
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"os"
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"golang.org/x/term"
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)
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// readWithoutEcho reads one line from the terminal on standard input
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// with echo turned off, through term.ReadPassword, on the systems
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// prompt_unix.go is not built for, such as Windows.
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func readWithoutEcho() (string, error) {
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typed, err := term.ReadPassword(int(os.Stdin.Fd()))
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return string(typed), err
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}
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