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* autocompletion for exec
88 lines
2.1 KiB
Go
88 lines
2.1 KiB
Go
package exec
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import (
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"errors"
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"fmt"
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"git.denysoft.de/CubeBit/ssh-hub/util"
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"github.com/creack/pty"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"golang.org/x/term"
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"io"
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"os"
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"os/exec"
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"syscall"
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)
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var execCmd = &cobra.Command{
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Use: "exec",
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Short: "Execute command of specific alias",
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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data := viper.GetStringMapString("data")
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return util.AutocompleteConfig(&data, toComplete), cobra.ShellCompDirectiveNoFileComp
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},
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Args: func(cmd *cobra.Command, args []string) error {
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if err := cobra.ExactArgs(1)(cmd, args); err != nil {
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return err
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}
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data := viper.GetStringMapString("data")
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if _, ok := data[args[0]]; !ok {
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return errors.New("such alias was not found")
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}
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return nil
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},
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Run: func(cmd *cobra.Command, args []string) {
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data := viper.GetStringMapString("data")
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commandStr, ok := data[args[0]]
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if !ok {
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fmt.Fprintf(os.Stderr, "No command found for alias '%s'\n", args[0])
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os.Exit(1)
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}
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command := exec.Command("bash", "-c", commandStr)
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command.Env = append(os.Environ(), "TERM=xterm-256color")
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ptmx, err := pty.Start(command)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error starting PTY: %v\n", err)
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os.Exit(1)
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}
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defer func() { _ = ptmx.Close() }()
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go func() {
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for {
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if err := pty.InheritSize(os.Stdin, ptmx); err != nil {
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fmt.Fprintf(os.Stderr, "Error resizing PTY: %v\n", err)
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break
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}
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}
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}()
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oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error setting raw mode: %v\n", err)
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os.Exit(1)
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}
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defer func() { _ = term.Restore(int(os.Stdin.Fd()), oldState) }()
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go func() { _, _ = io.Copy(ptmx, os.Stdin) }()
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_, _ = io.Copy(os.Stdout, ptmx)
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if err := command.Wait(); err != nil {
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if exitError, ok := err.(*exec.ExitError); ok {
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if ws, ok := exitError.Sys().(syscall.WaitStatus); ok {
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os.Exit(ws.ExitStatus())
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}
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}
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fmt.Fprintf(os.Stderr, "Command execution failed: %v\n", err)
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}
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},
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}
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func Cmd() *cobra.Command {
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return execCmd
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}
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