WIP determine server info

Author: mikew

src/bridge_files/lua/determine_server_info.lua

@@ -0,0 +1,94 @@
+-- https://github.com/neovim/neovim/blob/c12701d4e1404a67fef6da01a8a9d7e2d48d78d6/runtime/lua/uv/_meta.lua#L4297-L4301
+--- @class uv.os_uname.info
+--- @field sysname string
+--- @field release string
+--- @field version string
+--- @field machine string
+
+-- https://github.com/neovim/neovim/blob/c12701d4e1404a67fef6da01a8a9d7e2d48d78d6/runtime/lua/uv/_meta.lua#L4367-L4372
+--- @class uv.os_get_passwd.passwd
+--- @field username string
+--- @field uid integer?
+--- @field gid integer?
+--- @field shell string?
+--- @field homedir string
+
+---@type uv.os_uname.info
+local uname = vim.uv.os_uname()
+---@type uv.os_get_passwd.passwd
+local passwd = vim.uv.os_get_passwd()
+
+local function get_os()
+  local os = uname.sysname:lower()
+
+  if os == 'linux' then
+    return 'linux'
+  elseif os == 'darwin' then
+    return 'macos'
+  elseif os == 'windows_nt' then
+    return 'windows'
+  elseif os:match('^cygwin') or os:match('^mingw') or os:match('^msys') then
+    return 'windows'
+  else
+    return 'unknown'
+  end
+end
+
+local function get_arch()
+  local arch = uname.machine:lower()
+
+  if arch == 'x86_64' or arch == 'amd64' then
+    return 'amd64'
+  elseif arch == 'aarch64' or arch == 'arm64' then
+    return 'arm64'
+  elseif arch:match('^armv8') then
+    return 'arm64'
+  elseif arch:match('^armv7') or arch:match('^armv6') then
+    return 'arm'
+  elseif
+    arch == 'i386'
+    or arch == 'i486'
+    or arch == 'i586'
+    or arch == 'i686'
+    or arch == 'i786'
+    or arch == 'x86'
+  then
+    return '386'
+  elseif arch == 'ppc64le' then
+    return 'ppc64le'
+  elseif arch == 's390x' then
+    return 's390x'
+  else
+    return 'unknown'
+  end
+end
+
+local function get_shell_name()
+  if vim.env.COMSPEC and vim.env.PROMPT then
+    return 'cmd'
+  end
+
+  if vim.env.PSMODULEPATH then
+    return 'powershell'
+  end
+
+  local shell = (vim.env.SHELL or passwd.shell or ''):lower()
+  if shell:match('bash') then
+    return 'bash'
+  elseif shell:match('zsh') then
+    return 'zsh'
+  end
+
+  return 'unknown'
+end
+
+local server_info = {
+  os = get_os(),
+  arch = get_arch(),
+  username = passwd.username,
+  homedir = passwd.homedir,
+  tmpdir = vim.uv.os_tmpdir(),
+  shell_name = get_shell_name(),
+}
+
+return vim.json.encode(server_info)

src/client/main.go

@@ -2,6 +2,7 @@ package client
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"log/slog"
 	"math/rand/v2"
@@ -510,6 +511,15 @@ func BuildClientNvimCmd(ctx context.Context, nvrhContext *nvrh_context.NvrhConte
 	return editorCommand
 }
 
+type NvrhServerInfo struct {
+	Os        string `json:"os"`
+	Arch      string `json:"arch"`
+	Username  string `json:"username"`
+	Homedir   string `json:"homedir"`
+	Tmpdir    string `json:"tmpdir"`
+	ShellName string `json:"shell_name"`
+}
+
 func prepareRemoteNvim(nvrhContext *nvrh_context.NvrhContext, nv *nvim.Nvim, version string) error {
 	currentUser, _ := user.Current()
 	hostname, _ := os.Hostname()
@@ -545,6 +555,12 @@ func prepareRemoteNvim(nvrhContext *nvrh_context.NvrhContext, nv *nvim.Nvim, ver
 		},
 	)
 
+	var wut string
+	var nvrhInfo NvrhServerInfo
+	nv.ExecLua(bridge_files.ReadFileWithoutError("lua/determine_server_info.lua"), &wut, nil)
+	json.Unmarshal([]byte(wut), &nvrhInfo)
+	fmt.Printf("nvrh: %+v\n", nvrhInfo)
+
 	nv.RegisterHandler("tunnel-port", func(v *nvim.Nvim, args []string) {
 		if _, ok := nvrhContext.TunneledPorts[args[0]]; ok {
 			return