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https://github.com/rclone/rclone
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e09a4ff019
This detects the presence of a VT100 terminal by using the TERM environment variable and switches to using VT100 codes directly under windows if it is found. This makes --progress work correctly with git bash.
53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
//+build windows
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package cmd
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import (
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"fmt"
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"os"
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"syscall"
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ansiterm "github.com/Azure/go-ansiterm"
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"github.com/Azure/go-ansiterm/winterm"
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"github.com/pkg/errors"
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)
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var (
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ansiParser *ansiterm.AnsiParser
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)
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func init() {
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// Default terminal is Windows console for Windows
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initTerminal = initTerminalWindows
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writeToTerminal = writeToTerminalWindows
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}
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func initTerminalWindows() error {
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winEventHandler := winterm.CreateWinEventHandler(os.Stdout.Fd(), os.Stdout)
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if winEventHandler == nil {
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err := syscall.GetLastError()
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if err == nil {
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err = errors.New("initialization failed")
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}
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return errors.Wrap(err, "windows terminal")
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}
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ansiParser = ansiterm.CreateParser("Ground", winEventHandler)
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return nil
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}
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func writeToTerminalWindows(b []byte) {
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// Remove all non-ASCII characters until this is fixed
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// https://github.com/Azure/go-ansiterm/issues/26
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r := []rune(string(b))
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for i := range r {
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if r[i] >= 127 {
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r[i] = '.'
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}
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}
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b = []byte(string(r))
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_, err := ansiParser.Parse(b)
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if err != nil {
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_, _ = fmt.Fprintf(os.Stderr, "\n*** Error from ANSI parser: %v\n", err)
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}
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}
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