windows: fix argument handling in bin shim

docs/installation.md

@@ -232,8 +232,8 @@ If you need to remove Bun from your system, use the following commands.
 $ rm -rf ~/.bun # for macOS, Linux, and WSL
 ```
 
-```bash#Windows
-$ Remove-Item ~\.bun -Recurse
+```powershell#Windows
+powershell -c ~\.bun\uninstall.ps1
 ```
 
 ```bash#NPM

src/cli/run_command.zig

@@ -456,7 +456,7 @@ pub const RunCommand = struct {
  // wrapper exe. we build the full exe path even though we could do
  // a relative lookup, because in the case we do find it, we have to
  // generate this full path anyways.
- if (Environment.isWindows and bun.strings.hasSuffixComptime(executable, ".exe")) {
+ if (Environment.isWindows and bun.FeatureFlags.windows_bunx_fast_path and bun.strings.hasSuffixComptime(executable, ".exe")) {
  std.debug.assert(std.fs.path.isAbsolute(executable));
 
  // Using @constCast is safe because we know that
@@ -1506,7 +1506,7 @@ pub const RunCommand = struct {
  }
 
  // Run absolute/relative path
- if ((script_name_to_search.len > 1 and script_name_to_search[0] == '/') or
+ if (std.fs.path.isAbsolute(script_name_to_search) or
  (script_name_to_search.len > 2 and script_name_to_search[0] == '.' and script_name_to_search[1] == '/'))
  {
  Run.boot(ctx, ctx.allocator.dupe(u8, script_name_to_search) catch unreachable) catch |err| {
@@ -1525,7 +1525,6 @@ pub const RunCommand = struct {
 
  if (script_name_to_search.len == 1 and script_name_to_search[0] == '-') {
  // read from stdin
-
  var stack_fallback = std.heap.stackFallback(2048, bun.default_allocator);
  var list = std.ArrayList(u8).init(stack_fallback.get());
  errdefer list.deinit();
@@ -1554,7 +1553,7 @@ pub const RunCommand = struct {
  return true;
  }
 
- if (Environment.isWindows) try_bunx_file: {
+ if (Environment.isWindows and bun.FeatureFlags.windows_bunx_fast_path) try_bunx_file: {
  // Attempt to find a ".bunx" file on disk, and run it, skipping the
  // wrapper exe. we build the full exe path even though we could do
  // a relative lookup, because in the case we do find it, we have to
@@ -1675,7 +1674,10 @@ pub const BunXFastPath = struct {
  var environment_buffer: bun.WPathBuffer = undefined;
 
  /// If this returns, it implies the fast path cannot be taken
- fn tryLaunch(ctx: Command.Context, path_to_use: [:0]u16, env: *DotEnv.Loader, passthrough: []const []const u8) void {
+ fn tryLaunch(ctx_const: Command.Context, path_to_use: [:0]u16, env: *DotEnv.Loader, passthrough: []const []const u8) void {
+ if (!bun.FeatureFlags.windows_bunx_fast_path) return;
+
+ var ctx = ctx_const;
  std.debug.assert(bun.isSliceInBufferT(u16, path_to_use, &BunXFastPath.direct_launch_buffer));
  var command_line = BunXFastPath.direct_launch_buffer[path_to_use.len..];
 
@@ -1700,6 +1702,7 @@ pub const BunXFastPath = struct {
  const result = bun.strings.convertUTF8toUTF16InBuffer(command_line[1 + i ..], str);
  i += result.len + 1;
  }
+ ctx.passthrough = passthrough;
 
  const run_ctx = shim_impl.FromBunRunContext{
  .handle = handle,

src/cli/uninstall.ps1

@@ -12,7 +12,8 @@ $ErrorActionPreference = "Stop"
 function Write-Env {
  param([String]$Key, [String]$Value)
 
- $EnvRegisterKey = Get-Item -Path 'HKCU:Environment'
+ $RegisterKey = Get-Item -Path 'HKCU:'
+ $EnvRegisterKey = $RegisterKey.OpenSubKey('Environment', $true)
  if ($null -eq $Value) {
  $EnvRegisterKey.DeleteValue($Key)
  } else {
@@ -30,7 +31,8 @@ function Write-Env {
 function Get-Env {
  param([String] $Key)
 
- $RegisterKey = Get-Item -Path 'HKCU:Environment'
+ $RegisterKey = Get-Item -Path 'HKCU:'
+ $EnvRegisterKey = $RegisterKey.OpenSubKey('Environment')
  $EnvRegisterKey.GetValue($Key, $null, [Microsoft.Win32.RegistryValueOptions]::DoNotExpandEnvironmentNames)
 }
 
@@ -94,8 +96,9 @@ try {
  $Path = $Path -split ';'
  $Path = $Path | Where-Object { $_ -ne "${PSScriptRoot}\bin" }
  Write-Env -Key 'Path' -Value ($Path -join ';')
-} catch {
+} catch  {
  Write-Host "Could not remove ${PSScriptRoot}\bin from PATH."
+ Write-Error $_
  if ($PauseOnError) { pause }
  exit 1
 }

src/feature_flags.zig

@@ -164,6 +164,8 @@ pub const disable_auto_js_to_ts_in_node_modules = true;
 
 pub const runtime_transpiler_cache = true;
 
+pub const windows_bunx_fast_path = false; // Disabled to simplify fixing the bunx issue
+
 pub const breaking_changes_1_1_0 = false;
 
 // This causes strange bugs where writing via console.log (sync) has a different

src/install/extract_tarball.zig

@@ -451,7 +451,7 @@ fn extract(this: *const ExtractTarball, tgz_bytes: []const u8) !Install.ExtractD
 /// Opens the dir if the path already exists and is a directory.
 /// This function is not atomic, and if it returns an error, the file system may
 /// have been modified regardless.
-fn makeOpenPathAccessMaskW(self: std.fs.Dir, sub_path: []const u8, access_mask: u32, no_follow: bool) std.os.OpenError!std.fs.Dir {
+fn makeOpenPathAccessMaskW(self: std.fs.Dir, sub_path: []const u8, access_mask: u32, no_follow: bool) !std.fs.Dir {
  var it = try std.fs.path.componentIterator(sub_path);
  // If there are no components in the path, then create a dummy component with the full path.
  var component = it.last() orelse std.fs.path.NativeUtf8ComponentIterator.Component{
@@ -483,7 +483,7 @@ const MakeOpenDirAccessMaskWOptions = struct {
  create_disposition: u32,
 };
 
-fn makeOpenDirAccessMaskW(self: std.fs.Dir, sub_path_w: [*:0]const u16, access_mask: u32, flags: MakeOpenDirAccessMaskWOptions) std.os.OpenError!std.fs.Dir {
+fn makeOpenDirAccessMaskW(self: std.fs.Dir, sub_path_w: [*:0]const u16, access_mask: u32, flags: MakeOpenDirAccessMaskWOptions) !std.fs.Dir {
  var result = std.fs.Dir{
  .fd = undefined,
  };
@@ -528,6 +528,7 @@ fn makeOpenDirAccessMaskW(self: std.fs.Dir, sub_path_w: [*:0]const u16, access_m
  // and the directory is trying to be opened for iteration.
  .ACCESS_DENIED => return error.AccessDenied,
  .INVALID_PARAMETER => return error.BadPathName,
+ .SHARING_VIOLATION => return error.SharingViolation,
  else => return w.unexpectedStatus(rc),
  }
 }

src/install/semver.zig

@@ -63,12 +63,6 @@ pub const String = extern struct {
  }
  }
 
- pub fn isUndefined(this: *const String) bool {
- const num: u64 = undefined;
- const bytes = @as(u64, @bitCast(this.bytes));
- return @as(u63, @truncate(bytes)) == @as(u63, @truncate(num));
- }
-
  pub const Formatter = struct {
  str: *const String,
  buf: string,

src/install/windows-shim/BinLinkingShim.zig

@@ -30,7 +30,7 @@ shebang: ?Shebang,
 /// These arbitrary numbers will probably not show up in the other fields.
 /// This will reveal off-by-one mistakes.
 pub const VersionFlag = enum(u13) {
- pub const current = .v4;
+ pub const current = .v5;
 
  v1 = 5474,
  /// Fix bug where paths were not joined correctly
@@ -41,6 +41,8 @@ pub const VersionFlag = enum(u13) {
  /// automatic fallback path where if "node" is asked for, but not present,
  /// it will retry the spawn with "bun".
  v4 = 5477,
+ /// Fixed bugs where passing arguments did not always work.
+ v5 = 5478,
  _,
 };
 
@@ -82,14 +84,14 @@ fn wU8(comptime s: []const u8) []const u8 {
 pub const Shebang = struct {
  launcher: []const u8,
  utf16_len: u32,
- is_bun: bool,
+ is_node_or_bun: bool,
 
- pub fn init(launcher: []const u8, is_bun: bool) !Shebang {
+ pub fn init(launcher: []const u8, is_node_or_bun: bool) !Shebang {
  return .{
  .launcher = launcher,
  // TODO(@paperdave): what if this is invalid utf8?
  .utf16_len = @intCast(bun.simdutf.length.utf16.from.utf8(launcher)),
- .is_bun = is_bun,
+ .is_node_or_bun = is_node_or_bun,
  };
  }
 
@@ -200,8 +202,8 @@ pub const Shebang = struct {
  if (eqlComptime(first, "/usr/bin/env") or eqlComptime(first, "/bin/env")) {
  const rest = tokenizer.rest();
  const program = tokenizer.next() orelse return parseFromBinPath(bin_path);
- const is_bun = eqlComptime(program, "bun") or eqlComptime(program, "node");
- return try Shebang.init(rest, is_bun);
+ const is_node_or_bun = eqlComptime(program, "bun") or eqlComptime(program, "node");
+ return try Shebang.init(rest, is_node_or_bun);
  }
 
  return try Shebang.init(line, false);
@@ -235,7 +237,7 @@ pub fn encodeInto(options: @This(), buf: []u8) !void {
  wbuf[1] = 0;
  wbuf = wbuf[2..];
 
- const is_node_or_bun = if (options.shebang) |s| s.is_bun else false;
+ const is_node_or_bun = if (options.shebang) |s| s.is_node_or_bun else false;
  var flags = Flags{
  .has_shebang = options.shebang != null,
  .is_node_or_bun = is_node_or_bun,