mirror of https://github.com/Llewellynvdm/fzf.git
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
//go:build windows
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package util
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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"sync/atomic"
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"syscall"
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)
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var shellPath atomic.Value
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// ExecCommand executes the given command with $SHELL
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func ExecCommand(command string, setpgid bool) *exec.Cmd {
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var shell string
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if cached := shellPath.Load(); cached != nil {
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shell = cached.(string)
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} else {
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shell = os.Getenv("SHELL")
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if len(shell) == 0 {
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shell = "cmd"
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} else if strings.Contains(shell, "/") {
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out, err := exec.Command("cygpath", "-w", shell).Output()
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if err == nil {
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shell = strings.Trim(string(out), "\n")
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}
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}
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shellPath.Store(shell)
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}
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return ExecCommandWith(shell, command, setpgid)
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}
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// ExecCommandWith executes the given command with the specified shell
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// FIXME: setpgid is unused. We set it in the Unix implementation so that we
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// can kill preview process with its child processes at once.
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// NOTE: For "powershell", we should ideally set output encoding to UTF8,
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// but it is left as is now because no adverse effect has been observed.
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func ExecCommandWith(shell string, command string, setpgid bool) *exec.Cmd {
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var cmd *exec.Cmd
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if strings.Contains(shell, "cmd") {
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cmd = exec.Command(shell)
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cmd.SysProcAttr = &syscall.SysProcAttr{
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HideWindow: false,
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CmdLine: fmt.Sprintf(` /v:on/s/c "%s"`, command),
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CreationFlags: 0,
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}
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return cmd
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}
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if strings.Contains(shell, "pwsh") || strings.Contains(shell, "powershell") {
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cmd = exec.Command(shell, "-NoProfile", "-Command", command)
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} else {
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cmd = exec.Command(shell, "-c", command)
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}
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cmd.SysProcAttr = &syscall.SysProcAttr{
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HideWindow: false,
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CreationFlags: 0,
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}
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return cmd
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}
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// KillCommand kills the process for the given command
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func KillCommand(cmd *exec.Cmd) error {
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return cmd.Process.Kill()
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}
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// IsWindows returns true on Windows
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func IsWindows() bool {
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return true
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}
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// SetNonblock executes syscall.SetNonblock on file descriptor
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func SetNonblock(file *os.File, nonblock bool) {
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syscall.SetNonblock(syscall.Handle(file.Fd()), nonblock)
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}
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// Read executes syscall.Read on file descriptor
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func Read(fd int, b []byte) (int, error) {
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return syscall.Read(syscall.Handle(fd), b)
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}
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