feature/buildfeatures: split const bools out of the featuretags package, add Has prefix

This renames the package+symbols in the earlier 17ffa80138 to be
in their own package ("buildfeatures") and start with the word "Has"
like "if buildfeatures.HasFoo {".

Updates #12614

Change-Id: I510e5f65993e5b76a0e163e3aa4543755213cbf6
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

feature/buildfeatures/buildfeatures.go

@@ -0,0 +1,10 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+//go:generate go run gen.go
+
+// The buildfeatures package contains boolean constants indicating which
+// features were included in the binary (via build tags), for use in dead code
+// elimination when using separate build tag protected files is impractical
+// or undesirable.
+package buildfeatures

feature/buildfeatures/feature_aws_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_aws
 
-package featuretags
+package buildfeatures
 
-// AWS is whether the binary was built with support for modular feature "AWS integration".
+// HasAWS is whether the binary was built with support for modular feature "AWS integration".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_aws" build tag.
 // It's a const so it can be used for dead code elimination.
-const AWS = false
+const HasAWS = false

feature/buildfeatures/feature_aws_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_aws
 
-package featuretags
+package buildfeatures
 
-// AWS is whether the binary was built with support for modular feature "AWS integration".
+// HasAWS is whether the binary was built with support for modular feature "AWS integration".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_aws" build tag.
 // It's a const so it can be used for dead code elimination.
-const AWS = true
+const HasAWS = true

feature/buildfeatures/feature_bird_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_bird
 
-package featuretags
+package buildfeatures
 
-// Bird is whether the binary was built with support for modular feature "Bird BGP integration".
+// HasBird is whether the binary was built with support for modular feature "Bird BGP integration".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_bird" build tag.
 // It's a const so it can be used for dead code elimination.
-const Bird = false
+const HasBird = false

feature/buildfeatures/feature_bird_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_bird
 
-package featuretags
+package buildfeatures
 
-// Bird is whether the binary was built with support for modular feature "Bird BGP integration".
+// HasBird is whether the binary was built with support for modular feature "Bird BGP integration".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_bird" build tag.
 // It's a const so it can be used for dead code elimination.
-const Bird = true
+const HasBird = true

feature/buildfeatures/feature_capture_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_capture
 
-package featuretags
+package buildfeatures
 
-// Capture is whether the binary was built with support for modular feature "Packet capture".
+// HasCapture is whether the binary was built with support for modular feature "Packet capture".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_capture" build tag.
 // It's a const so it can be used for dead code elimination.
-const Capture = false
+const HasCapture = false

feature/buildfeatures/feature_capture_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_capture
 
-package featuretags
+package buildfeatures
 
-// Capture is whether the binary was built with support for modular feature "Packet capture".
+// HasCapture is whether the binary was built with support for modular feature "Packet capture".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_capture" build tag.
 // It's a const so it can be used for dead code elimination.
-const Capture = true
+const HasCapture = true

feature/buildfeatures/feature_completion_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_completion
 
-package featuretags
+package buildfeatures
 
-// Completion is whether the binary was built with support for modular feature "CLI shell completion".
+// HasCompletion is whether the binary was built with support for modular feature "CLI shell completion".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_completion" build tag.
 // It's a const so it can be used for dead code elimination.
-const Completion = false
+const HasCompletion = false

feature/buildfeatures/feature_completion_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_completion
 
-package featuretags
+package buildfeatures
 
-// Completion is whether the binary was built with support for modular feature "CLI shell completion".
+// HasCompletion is whether the binary was built with support for modular feature "CLI shell completion".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_completion" build tag.
 // It's a const so it can be used for dead code elimination.
-const Completion = true
+const HasCompletion = true

feature/buildfeatures/feature_debugeventbus_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_debugeventbus
 
-package featuretags
+package buildfeatures
 
-// DebugEventBus is whether the binary was built with support for modular feature "eventbus debug support".
+// HasDebugEventBus is whether the binary was built with support for modular feature "eventbus debug support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_debugeventbus" build tag.
 // It's a const so it can be used for dead code elimination.
-const DebugEventBus = false
+const HasDebugEventBus = false

feature/buildfeatures/feature_debugeventbus_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_debugeventbus
 
-package featuretags
+package buildfeatures
 
-// DebugEventBus is whether the binary was built with support for modular feature "eventbus debug support".
+// HasDebugEventBus is whether the binary was built with support for modular feature "eventbus debug support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_debugeventbus" build tag.
 // It's a const so it can be used for dead code elimination.
-const DebugEventBus = true
+const HasDebugEventBus = true

feature/buildfeatures/feature_desktop_sessions_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_desktop_sessions
 
-package featuretags
+package buildfeatures
 
-// DesktopSessions is whether the binary was built with support for modular feature "Desktop sessions support".
+// HasDesktopSessions is whether the binary was built with support for modular feature "Desktop sessions support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_desktop_sessions" build tag.
 // It's a const so it can be used for dead code elimination.
-const DesktopSessions = false
+const HasDesktopSessions = false

feature/buildfeatures/feature_desktop_sessions_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_desktop_sessions
 
-package featuretags
+package buildfeatures
 
-// DesktopSessions is whether the binary was built with support for modular feature "Desktop sessions support".
+// HasDesktopSessions is whether the binary was built with support for modular feature "Desktop sessions support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_desktop_sessions" build tag.
 // It's a const so it can be used for dead code elimination.
-const DesktopSessions = true
+const HasDesktopSessions = true

feature/buildfeatures/feature_drive_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_drive
 
-package featuretags
+package buildfeatures
 
-// Drive is whether the binary was built with support for modular feature "Tailscale Drive (file server) support".
+// HasDrive is whether the binary was built with support for modular feature "Tailscale Drive (file server) support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_drive" build tag.
 // It's a const so it can be used for dead code elimination.
-const Drive = false
+const HasDrive = false

feature/buildfeatures/feature_drive_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_drive
 
-package featuretags
+package buildfeatures
 
-// Drive is whether the binary was built with support for modular feature "Tailscale Drive (file server) support".
+// HasDrive is whether the binary was built with support for modular feature "Tailscale Drive (file server) support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_drive" build tag.
 // It's a const so it can be used for dead code elimination.
-const Drive = true
+const HasDrive = true

feature/buildfeatures/feature_kube_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_kube
 
-package featuretags
+package buildfeatures
 
-// Kube is whether the binary was built with support for modular feature "Kubernetes integration".
+// HasKube is whether the binary was built with support for modular feature "Kubernetes integration".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_kube" build tag.
 // It's a const so it can be used for dead code elimination.
-const Kube = false
+const HasKube = false

feature/buildfeatures/feature_kube_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_kube
 
-package featuretags
+package buildfeatures
 
-// Kube is whether the binary was built with support for modular feature "Kubernetes integration".
+// HasKube is whether the binary was built with support for modular feature "Kubernetes integration".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_kube" build tag.
 // It's a const so it can be used for dead code elimination.
-const Kube = true
+const HasKube = true

feature/buildfeatures/feature_relayserver_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_relayserver
 
-package featuretags
+package buildfeatures
 
-// RelayServer is whether the binary was built with support for modular feature "Relay server".
+// HasRelayServer is whether the binary was built with support for modular feature "Relay server".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_relayserver" build tag.
 // It's a const so it can be used for dead code elimination.
-const RelayServer = false
+const HasRelayServer = false

feature/buildfeatures/feature_relayserver_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_relayserver
 
-package featuretags
+package buildfeatures
 
-// RelayServer is whether the binary was built with support for modular feature "Relay server".
+// HasRelayServer is whether the binary was built with support for modular feature "Relay server".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_relayserver" build tag.
 // It's a const so it can be used for dead code elimination.
-const RelayServer = true
+const HasRelayServer = true

feature/buildfeatures/feature_serve_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_serve
 
-package featuretags
+package buildfeatures
 
-// Serve is whether the binary was built with support for modular feature "Serve and Funnel support".
+// HasServe is whether the binary was built with support for modular feature "Serve and Funnel support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_serve" build tag.
 // It's a const so it can be used for dead code elimination.
-const Serve = false
+const HasServe = false

feature/buildfeatures/feature_serve_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_serve
 
-package featuretags
+package buildfeatures
 
-// Serve is whether the binary was built with support for modular feature "Serve and Funnel support".
+// HasServe is whether the binary was built with support for modular feature "Serve and Funnel support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_serve" build tag.
 // It's a const so it can be used for dead code elimination.
-const Serve = true
+const HasServe = true

feature/buildfeatures/feature_ssh_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_ssh
 
-package featuretags
+package buildfeatures
 
-// SSH is whether the binary was built with support for modular feature "Tailscale SSH support".
+// HasSSH is whether the binary was built with support for modular feature "Tailscale SSH support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_ssh" build tag.
 // It's a const so it can be used for dead code elimination.
-const SSH = false
+const HasSSH = false

feature/buildfeatures/feature_ssh_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_ssh
 
-package featuretags
+package buildfeatures
 
-// SSH is whether the binary was built with support for modular feature "Tailscale SSH support".
+// HasSSH is whether the binary was built with support for modular feature "Tailscale SSH support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_ssh" build tag.
 // It's a const so it can be used for dead code elimination.
-const SSH = true
+const HasSSH = true

feature/buildfeatures/feature_syspolicy_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_syspolicy
 
-package featuretags
+package buildfeatures
 
-// SystemPolicy is whether the binary was built with support for modular feature "System policy configuration (MDM) support".
+// HasSystemPolicy is whether the binary was built with support for modular feature "System policy configuration (MDM) support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_syspolicy" build tag.
 // It's a const so it can be used for dead code elimination.
-const SystemPolicy = false
+const HasSystemPolicy = false

feature/buildfeatures/feature_syspolicy_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_syspolicy
 
-package featuretags
+package buildfeatures
 
-// SystemPolicy is whether the binary was built with support for modular feature "System policy configuration (MDM) support".
+// HasSystemPolicy is whether the binary was built with support for modular feature "System policy configuration (MDM) support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_syspolicy" build tag.
 // It's a const so it can be used for dead code elimination.
-const SystemPolicy = true
+const HasSystemPolicy = true

feature/buildfeatures/feature_systray_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_systray
 
-package featuretags
+package buildfeatures
 
-// SysTray is whether the binary was built with support for modular feature "Linux system tray".
+// HasSysTray is whether the binary was built with support for modular feature "Linux system tray".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_systray" build tag.
 // It's a const so it can be used for dead code elimination.
-const SysTray = false
+const HasSysTray = false

feature/buildfeatures/feature_systray_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_systray
 
-package featuretags
+package buildfeatures
 
-// SysTray is whether the binary was built with support for modular feature "Linux system tray".
+// HasSysTray is whether the binary was built with support for modular feature "Linux system tray".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_systray" build tag.
 // It's a const so it can be used for dead code elimination.
-const SysTray = true
+const HasSysTray = true

feature/buildfeatures/feature_taildrop_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_taildrop
 
-package featuretags
+package buildfeatures
 
-// Taildrop is whether the binary was built with support for modular feature "Taildrop (file sending) support".
+// HasTaildrop is whether the binary was built with support for modular feature "Taildrop (file sending) support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_taildrop" build tag.
 // It's a const so it can be used for dead code elimination.
-const Taildrop = false
+const HasTaildrop = false

feature/buildfeatures/feature_taildrop_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_taildrop
 
-package featuretags
+package buildfeatures
 
-// Taildrop is whether the binary was built with support for modular feature "Taildrop (file sending) support".
+// HasTaildrop is whether the binary was built with support for modular feature "Taildrop (file sending) support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_taildrop" build tag.
 // It's a const so it can be used for dead code elimination.
-const Taildrop = true
+const HasTaildrop = true

feature/buildfeatures/feature_tailnetlock_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_tailnetlock
 
-package featuretags
+package buildfeatures
 
-// TailnetLock is whether the binary was built with support for modular feature "Tailnet Lock support".
+// HasTailnetLock is whether the binary was built with support for modular feature "Tailnet Lock support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_tailnetlock" build tag.
 // It's a const so it can be used for dead code elimination.
-const TailnetLock = false
+const HasTailnetLock = false

feature/buildfeatures/feature_tailnetlock_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_tailnetlock
 
-package featuretags
+package buildfeatures
 
-// TailnetLock is whether the binary was built with support for modular feature "Tailnet Lock support".
+// HasTailnetLock is whether the binary was built with support for modular feature "Tailnet Lock support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_tailnetlock" build tag.
 // It's a const so it can be used for dead code elimination.
-const TailnetLock = true
+const HasTailnetLock = true

feature/buildfeatures/feature_tap_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_tap
 
-package featuretags
+package buildfeatures
 
-// Tap is whether the binary was built with support for modular feature "Experimental Layer 2 (ethernet) support".
+// HasTap is whether the binary was built with support for modular feature "Experimental Layer 2 (ethernet) support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_tap" build tag.
 // It's a const so it can be used for dead code elimination.
-const Tap = false
+const HasTap = false

feature/buildfeatures/feature_tap_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_tap
 
-package featuretags
+package buildfeatures
 
-// Tap is whether the binary was built with support for modular feature "Experimental Layer 2 (ethernet) support".
+// HasTap is whether the binary was built with support for modular feature "Experimental Layer 2 (ethernet) support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_tap" build tag.
 // It's a const so it can be used for dead code elimination.
-const Tap = true
+const HasTap = true

feature/buildfeatures/feature_tpm_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_tpm
 
-package featuretags
+package buildfeatures
 
-// TPM is whether the binary was built with support for modular feature "TPM support".
+// HasTPM is whether the binary was built with support for modular feature "TPM support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_tpm" build tag.
 // It's a const so it can be used for dead code elimination.
-const TPM = false
+const HasTPM = false

feature/buildfeatures/feature_tpm_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_tpm
 
-package featuretags
+package buildfeatures
 
-// TPM is whether the binary was built with support for modular feature "TPM support".
+// HasTPM is whether the binary was built with support for modular feature "TPM support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_tpm" build tag.
 // It's a const so it can be used for dead code elimination.
-const TPM = true
+const HasTPM = true

feature/buildfeatures/feature_wakeonlan_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_wakeonlan
 
-package featuretags
+package buildfeatures
 
-// WakeOnLAN is whether the binary was built with support for modular feature "Wake-on-LAN support".
+// HasWakeOnLAN is whether the binary was built with support for modular feature "Wake-on-LAN support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_wakeonlan" build tag.
 // It's a const so it can be used for dead code elimination.
-const WakeOnLAN = false
+const HasWakeOnLAN = false

feature/buildfeatures/feature_wakeonlan_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_wakeonlan
 
-package featuretags
+package buildfeatures
 
-// WakeOnLAN is whether the binary was built with support for modular feature "Wake-on-LAN support".
+// HasWakeOnLAN is whether the binary was built with support for modular feature "Wake-on-LAN support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_wakeonlan" build tag.
 // It's a const so it can be used for dead code elimination.
-const WakeOnLAN = true
+const HasWakeOnLAN = true

feature/buildfeatures/feature_webclient_disabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build ts_omit_webclient
 
-package featuretags
+package buildfeatures
 
-// WebClient is whether the binary was built with support for modular feature "Web client support".
+// HasWebClient is whether the binary was built with support for modular feature "Web client support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_webclient" build tag.
 // It's a const so it can be used for dead code elimination.
-const WebClient = false
+const HasWebClient = false

feature/buildfeatures/feature_webclient_enabled.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code generated by gen-featuretags.go; DO NOT EDIT.
+// Code generated by gen.go; DO NOT EDIT.
 
 //go:build !ts_omit_webclient
 
-package featuretags
+package buildfeatures
 
-// WebClient is whether the binary was built with support for modular feature "Web client support".
+// HasWebClient is whether the binary was built with support for modular feature "Web client support".
 // Specifically, it's whether the binary was NOT built with the "ts_omit_webclient" build tag.
 // It's a const so it can be used for dead code elimination.
-const WebClient = true
+const HasWebClient = true

feature/buildfeatures/gen.go

@@ -3,7 +3,7 @@
 
 //go:build ignore
 
-// The gen-featuretags.go program generates the feature_<feature>_enabled.go
+// The gens.go program generates the feature_<feature>_enabled.go
 // and feature_<feature>_disabled.go files for each feature tag.
 package main
 
@@ -20,7 +20,7 @@ import (
 const header = `// Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Code g|e|n|e|r|a|t|e|d by gen-featuretags.go; D|O N|OT E|D|I|T.
+// Code g|e|n|e|r|a|t|e|d by gen.go; D|O N|OT E|D|I|T.
 
 `
 
@@ -30,14 +30,14 @@ func main() {
 		if !k.IsOmittable() {
 			continue
 		}
-		sym := cmp.Or(m.Sym, strings.ToUpper(string(k)[:1])+string(k)[1:])
+		sym := "Has" + cmp.Or(m.Sym, strings.ToUpper(string(k)[:1])+string(k)[1:])
 		for _, suf := range []string{"enabled", "disabled"} {
 			bang := ""
 			if suf == "enabled" {
 				bang = "!" // !ts_omit_...
 			}
 			must.Do(os.WriteFile("feature_"+string(k)+"_"+suf+".go",
-				fmt.Appendf(nil, "%s//go:build %s%s\n\npackage featuretags\n\n"+
+				fmt.Appendf(nil, "%s//go:build %s%s\n\npackage buildfeatures\n\n"+
 					"// %s is whether the binary was built with support for modular feature %q.\n"+
 					"// Specifically, it's whether the binary was NOT built with the %q build tag.\n"+
 					"// It's a const so it can be used for dead code elimination.\n"+

feature/featuretags/featuretags.go

@@ -1,8 +1,6 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:generate go run gen-featuretags.go
-
 // The featuretags package is a registry of all the ts_omit-able build tags.
 package featuretags