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//go:build windows
package fzf
import (
"fmt"
"os"
"os/exec"
"strings"
"github.com/junegunn/fzf/src/util"
)
func isMintty345() bool {
return util.CompareVersions(os.Getenv("TERM_PROGRAM_VERSION"), "3.4.5") >= 0
}
func needWinpty(opts *Options) bool {
if os.Getenv("TERM_PROGRAM") != "mintty" {
return false
}
if isMintty345() {
/*
See: https://github.com/junegunn/fzf/issues/3809
"MSYS=enable_pcon" allows fzf to run properly on mintty 3.4.5 or later.
*/
if strings.Contains(os.Getenv("MSYS"), "enable_pcon") {
return false
}
// Setting the environment variable here unfortunately doesn't help,
// so we need to start a child process with "MSYS=enable_pcon"
// os.Setenv("MSYS", "enable_pcon")
return true
}
if opts.NoWinpty {
return false
}
if _, err := exec.LookPath("winpty"); err != nil {
return false
}
return true
}
func runWinpty(args []string, opts *Options) (int, error) {
argStr := escapeSingleQuote(args[0])
for _, arg := range args[1:] {
argStr += " " + escapeSingleQuote(arg)
}
argStr += ` --no-winpty`
if isMintty345() {
return runProxy(argStr, func(temp string, needBash bool) (*exec.Cmd, error) {
sh, err := sh(needBash)
if err != nil {
return nil, err
}
cmd := exec.Command(sh, temp)
cmd.Env = append(os.Environ(), "MSYS=enable_pcon")
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd, nil
}, opts, false)
}
return runProxy(argStr, func(temp string, needBash bool) (*exec.Cmd, error) {
sh, err := sh(needBash)
if err != nil {
return nil, err
}
cmd := exec.Command(sh, "-c", fmt.Sprintf(`winpty < /dev/tty > /dev/tty -- sh %q`, temp))
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd, nil
}, opts, false)
}
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