promote tunnel-nim to sole implementation

flake.nix

@@ -32,15 +32,12 @@
     {
       packages = forAllSystems (pkgs: rec {
         utils = pkgs.callPackage ./meta.nix { inherit tunnel; };
-        tunnel-go = pkgs.callPackage ./tunnel-go { };
+        tunnel = pkgs.callPackage ./tunnel-nim { };
-        tunnel-nim = pkgs.callPackage ./tunnel-nim { };
-        tunnel = tunnel-nim;
         default = utils;
       });
       devShells = forAllSystems (pkgs: {
         default = pkgs.mkShell {
           packages = with pkgs; [
-            go
             nim
           ];
         };

tunnel-go/default.nix

@@ -1,27 +0,0 @@
-{
-  lib,
-  installShellFiles,
-  buildGoModule,
-  makeWrapper,
-  ...
-}:
-let
-  inherit (lib) cleanSource;
-in
-buildGoModule rec {
-  pname = "tunnel";
-  version = "unstable";
-
-  src = cleanSource ./.;
-  vendorHash = "sha256-PwZJMEVaPHqZs7bM+9XLxVA36GfV3EN6bja86hkfO90=";
-
-  nativeBuildInputs = [
-    installShellFiles
-    makeWrapper
-  ];
-
-  postInstall = ''
-    installShellCompletion --cmd ${pname} \
-      --zsh <($out/bin/${pname} completion zsh)
-  '';
-}

tunnel-go/go.mod

@@ -1,16 +0,0 @@
-module git.dayl.in/daylin/utils/tunnel
-
-go 1.22.5
-
-require (
-	github.com/bitfield/script v0.22.1
-	github.com/spf13/cobra v1.8.1
-)
-
-require (
-	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/itchyny/gojq v0.12.13 // indirect
-	github.com/itchyny/timefmt-go v0.1.5 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
-	mvdan.cc/sh/v3 v3.7.0 // indirect
-)

tunnel-go/go.sum

@@ -1,32 +0,0 @@
-github.com/bitfield/script v0.22.1 h1:DphxoC5ssYciwd0ZS+N0Xae46geAD/0mVWh6a2NUxM4=
-github.com/bitfield/script v0.22.1/go.mod h1:fv+6x4OzVsRs6qAlc7wiGq8fq1b5orhtQdtW0dwjUHI=
-github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/frankban/quicktest v1.14.5 h1:dfYrrRyLtiqT9GyKXgdh+k4inNeTvmGbuSgZ3lx3GhA=
-github.com/frankban/quicktest v1.14.5/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
-github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/itchyny/gojq v0.12.13 h1:IxyYlHYIlspQHHTE0f3cJF0NKDMfajxViuhBLnHd/QU=
-github.com/itchyny/gojq v0.12.13/go.mod h1:JzwzAqenfhrPUuwbmEz3nu3JQmFLlQTQMUcOdnu/Sf4=
-github.com/itchyny/timefmt-go v0.1.5 h1:G0INE2la8S6ru/ZI5JecgyzbbJNs5lG1RcBqa7Jm6GE=
-github.com/itchyny/timefmt-go v0.1.5/go.mod h1:nEP7L+2YmAbT2kZ2HfSs1d8Xtw9LY8D2stDBckWakZ8=
-github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
-github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
-github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
-github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
-github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
-github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
-github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
-github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
-golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/tools v0.11.0 h1:EMCa6U9S2LtZXLAMoWiR/R8dAQFRqbAitmbJ2UKhoi8=
-golang.org/x/tools v0.11.0/go.mod h1:anzJrxPjNtfgiYQYirP2CPGzGLxrH2u2QBhn6Bf3qY8=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-mvdan.cc/sh/v3 v3.7.0 h1:lSTjdP/1xsddtaKfGg7Myu7DnlHItd3/M2tomOcNNBg=
-mvdan.cc/sh/v3 v3.7.0/go.mod h1:K2gwkaesF/D7av7Kxl0HbF5kGOd2ArupNTX3X44+8l8=

tunnel-go/main.go

@@ -1,91 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"log"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"strings"
-
-	"github.com/spf13/cobra"
-)
-
-func logFail(cond bool, s string, args ...interface{}) {
-	if !cond {
-		log.Fatalf(s, args...)
-	}
-}
-
-func ok(cmd *exec.Cmd) bool      { err := cmd.Run(); return err == nil }
-func portString() string         { return fmt.Sprintf("%[1]d:localhost:%[1]d", port) }
-func checkControl() bool         { return ok(exec.Command("ssh", "-O", "check", host)) }
-func activateSshControl() bool   { return ok(exec.Command("ssh", "-M", "-f", "-N", host)) }
-func connectPort() bool          { return ok(exec.Command("ssh", "-fNL", portString(), host)) }
-func deactivateSshControl() bool { return ok(exec.Command("ssh", "-O", "exit", host)) }
-
-func tunnelUp() {
-	if !checkControl() {
-		logFail(activateSshControl(), "failed to activate ssh for host: %s", host)
-	}
-	logFail(connectPort(), "failed to connect to host: %s with port: %d", host, port)
-}
-
-func tunnelDown() {
-	logFail(deactivateSshControl(), "failed to disable ssh control %s", host)
-}
-
-func getControlSockets() (ret []string) {
-	files, err := os.ReadDir(sshDir)
-	if err != nil {
-		panic(err)
-	}
-	for _, f := range files {
-		if strings.HasPrefix(f.Name(), "control") {
-			ret = append(ret, f.Name())
-		}
-	}
-	return
-}
-
-func tunnelShow() {
-	controls := getControlSockets()
-	fmt.Printf("%d active connections\n", len(controls))
-	if len(controls) > 0 {
-		fmt.Println("hosts:")
-		for _, c := range controls {
-			fmt.Printf("  %s\n", strings.Split(c, "-")[1])
-		}
-	}
-}
-
-func genSubCmd(use string, short string, run func()) *cobra.Command {
-	return &cobra.Command{
-		Use: use, Short: short, Args: cobra.MinimumNArgs(1),
-		Run: func(cmd *cobra.Command, args []string) { host = args[0]; run() },
-	}
-}
-
-var (
-	sshDir  = filepath.Join(os.Getenv("HOME"), ".ssh")
-	rootCmd = &cobra.Command{Use: "tunnel", Short: "control ssh tunnels"}
-	upCmd   = genSubCmd("up hostname [flags]", "activate ssh tunnel", tunnelUp)
-	downCmd = genSubCmd("down hostname [flags]", "deactivate ssh tunnel", tunnelDown)
-	showCmd = &cobra.Command{Use: "show", Short: "show activate tunnels", Run: func(cmd *cobra.Command, args []string) { tunnelShow() }}
-	port    uint64
-	host    string
-)
-
-func init() {
-	rootCmd.CompletionOptions.HiddenDefaultCmd = true
-	rootCmd.AddCommand(upCmd, downCmd, showCmd)
-	upCmd.Flags().Uint64VarP(&port, "port", "p", 0, "port number")
-	upCmd.MarkFlagRequired("port")
-}
-
-func main() {
-	err := rootCmd.Execute()
-	if err != nil {
-		os.Exit(1)
-	}
-}