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Add --tmux option to replace fzf-tmux script
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| package fzf | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/junegunn/fzf/src/tui" | ||
| "github.com/junegunn/fzf/src/util" | ||
| ) | ||
|
|
||
| func runTmux(args []string, opts *Options) (int, error) { | ||
| ns := time.Now().UnixNano() | ||
|
|
||
| output := filepath.Join(os.TempDir(), fmt.Sprintf("fzf-tmux-output-%d", ns)) | ||
| if err := mkfifo(output, 0666); err != nil { | ||
| return ExitError, err | ||
| } | ||
| defer os.Remove(output) | ||
|
|
||
| // Find fzf executable | ||
| fzf := "fzf" | ||
| if found, err := os.Executable(); err == nil { | ||
| fzf = found | ||
| } | ||
|
|
||
| // Prepare arguments | ||
| args = append([]string{"--bind=ctrl-z:ignore"}, args...) | ||
| if opts.BorderShape == tui.BorderUndefined { | ||
| args = append(args, "--border") | ||
| } | ||
| args = append(args, "--no-height") | ||
| args = append(args, "--no-tmux") | ||
| argStr := "" | ||
| for _, arg := range args { | ||
| // %q formatting escapes $'foo\nbar' to "foo\nbar" | ||
| argStr += " '" + strings.ReplaceAll(arg, "'", "'\\''") + "'" | ||
| } | ||
|
|
||
| // Build command | ||
| var command string | ||
| if !util.IsTty() { | ||
| input := filepath.Join(os.TempDir(), fmt.Sprintf("fzf-tmux-input-%d", ns)) | ||
| if err := mkfifo(input, 0644); err != nil { | ||
| return ExitError, err | ||
| } | ||
| defer os.Remove(input) | ||
|
|
||
| go func() { | ||
| inputFile, err := os.OpenFile(input, os.O_WRONLY, 0) | ||
| if err != nil { | ||
| return | ||
| } | ||
| io.Copy(inputFile, os.Stdin) | ||
| inputFile.Close() | ||
| }() | ||
|
|
||
| command = fmt.Sprintf(`%q%s < %q > %q`, fzf, argStr, input, output) | ||
| } else { | ||
| command = fmt.Sprintf(`%q%s > %q`, fzf, argStr, output) | ||
| } | ||
|
|
||
| // Get current directory | ||
| dir, err := os.Getwd() | ||
| if err != nil { | ||
| dir = "." | ||
| } | ||
|
|
||
| // Set tmux options for popup placement | ||
| // C Both The centre of the terminal | ||
| // R -x The right side of the terminal | ||
| // P Both The bottom left of the pane | ||
| // M Both The mouse position | ||
| // W Both The window position on the status line | ||
| // S -y The line above or below the status line | ||
| tmuxArgs := []string{"display-popup", "-E", "-B", "-d", dir} | ||
| switch opts.Tmux.position { | ||
| case posUp: | ||
| tmuxArgs = append(tmuxArgs, "-xC", "-y0") | ||
| case posDown: | ||
| tmuxArgs = append(tmuxArgs, "-xC", "-yS") | ||
| case posLeft: | ||
| tmuxArgs = append(tmuxArgs, "-x0", "-yC") | ||
| case posRight: | ||
| tmuxArgs = append(tmuxArgs, "-xR", "-yC") | ||
| case posCenter: | ||
| tmuxArgs = append(tmuxArgs, "-xC", "-yC") | ||
| } | ||
| tmuxArgs = append(tmuxArgs, "-w"+opts.Tmux.width.String()) | ||
| tmuxArgs = append(tmuxArgs, "-h"+opts.Tmux.height.String()) | ||
|
|
||
| // To ensure that the options are processed by a POSIX-compliant shell, | ||
| // we need to write the command to a temporary file and execute it with sh. | ||
| temp := writeTemporaryFile([]string{command}, "\n") | ||
| defer os.Remove(temp) | ||
|
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| tmuxArgs = append(tmuxArgs, "sh", temp) | ||
| cmd := exec.Command("tmux", tmuxArgs...) | ||
| cmd.Stdin = tui.TtyIn() | ||
| cmd.Stderr = os.Stderr | ||
| cmd.Stdout = os.Stdout | ||
| cmd.Env = os.Environ() | ||
| cmd.Start() | ||
|
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||
| // Take the output | ||
| go func() { | ||
| outputFile, err := os.OpenFile(output, os.O_RDONLY, 0) | ||
| if err != nil { | ||
| return | ||
| } | ||
| io.Copy(os.Stdout, outputFile) | ||
| outputFile.Close() | ||
| }() | ||
|
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||
| if err := cmd.Wait(); err != nil { | ||
| if exitError, ok := err.(*exec.ExitError); ok { | ||
| return exitError.ExitCode(), err | ||
| } | ||
| } | ||
|
|
||
| return ExitOk, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| //go:build !windows | ||
|
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| package fzf | ||
|
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| import "golang.org/x/sys/unix" | ||
|
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||
| func mkfifo(path string, mode uint32) error { | ||
| return unix.Mkfifo(path, mode) | ||
| } |
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