move color to top level, add windows support

color/color.go

@@ -3,12 +3,9 @@ package color
 import (
 	"os"
 	"strings"
-	"syscall"
-	"unsafe"
+	"sync"
 )
 
-const ioctlReadTermios = 0x5401
-
 // ANSI color codes
 const (
 	resetCode  = "\033[0m"
@@ -22,7 +19,10 @@ const (
 	grayCode   = "\033[90m"
 )
 
-var useColors = true
+var (
+	useColors bool
+	colorMu   sync.RWMutex
+)
 
 // Color function; makes a call to makeColorFunc with the associated color code
 var (
@@ -37,9 +37,17 @@ var (
 	Gray   = makeColorFunc(grayCode)
 )
 
+func init() {
+	useColors = DetectShellColors()
+}
+
 func makeColorFunc(code string) func(string) string {
 	return func(text string) string {
-		if useColors {
+		colorMu.RLock()
+		enabled := useColors
+		colorMu.RUnlock()
+
+		if enabled {
 			return code + text + resetCode
 		}
 		return text
@@ -74,23 +82,20 @@ func DetectShellColors() bool {
 		strings.Contains(term, "xterm") ||
 		strings.Contains(term, "screen") ||
 		strings.Contains(term, "tmux") ||
-		term == "linux"
+		term == "linux" ||
+		isWindowsTerminal()
 }
 
 // SetColors enables or disables colors globally
 func SetColors(enabled bool) {
+	colorMu.Lock()
 	useColors = enabled
+	colorMu.Unlock()
 }
 
 // ColorsEnabled returns current global color setting
 func ColorsEnabled() bool {
+	colorMu.RLock()
+	defer colorMu.RUnlock()
 	return useColors
 }
-
-// isTerminal checks if the file is a terminal
-func isTerminal(f *os.File) bool {
-	fd := f.Fd()
-	var termios syscall.Termios
-	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
-	return err == 0
-}

color/color_unix.go

@@ -0,0 +1,33 @@
+//go:build !windows
+// +build !windows
+
+package color
+
+import (
+	"os"
+	"syscall"
+	"unsafe"
+)
+
+const ioctlReadTermios = 0x5401
+
+// isTerminal checks if the file is a terminal
+func isTerminal(f *os.File) bool {
+	fd := f.Fd()
+	var termios syscall.Termios
+
+	r1, _, errno := syscall.Syscall6(
+		syscall.SYS_IOCTL,
+		fd,
+		ioctlReadTermios,
+		uintptr(unsafe.Pointer(&termios)),
+		0, 0, 0,
+	)
+
+	return r1 == 0 && errno == 0
+}
+
+// isWindowsTerminal always returns false on Unix
+func isWindowsTerminal() bool {
+	return false
+}

color/color_windows.go

@@ -0,0 +1,29 @@
+//go:build windows
+// +build windows
+
+package color
+
+import (
+	"os"
+	"syscall"
+	"unsafe"
+)
+
+var (
+	kernel32           = syscall.NewLazyDLL("kernel32.dll")
+	procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
+)
+
+// isTerminal checks if the file is a terminal on Windows
+func isTerminal(f *os.File) bool {
+	handle := syscall.Handle(f.Fd())
+	var mode uint32
+
+	r1, _, _ := procGetConsoleMode.Call(uintptr(handle), uintptr(unsafe.Pointer(&mode)))
+	return r1 != 0
+}
+
+// isWindowsTerminal checks for Windows Terminal
+func isWindowsTerminal() bool {
+	return os.Getenv("WT_SESSION") != ""
+}

http/server.go

@@ -8,11 +8,11 @@ import (
 	"sync"
 	"time"
 
+	"Moonshark/color"
 	"Moonshark/router"
 	"Moonshark/runner"
 	"Moonshark/sessions"
 	"Moonshark/utils"
-	"Moonshark/utils/color"
 	"Moonshark/utils/config"
 	"Moonshark/utils/logger"
 	"Moonshark/utils/metadata"

moonshark.go

@@ -13,12 +13,12 @@ import (
 	"syscall"
 	"time"
 
+	"Moonshark/color"
 	"Moonshark/http"
 	"Moonshark/router"
 	"Moonshark/runner"
 	"Moonshark/runner/lualibs"
 	"Moonshark/sessions"
-	"Moonshark/utils/color"
 	"Moonshark/utils/config"
 	"Moonshark/utils/logger"
 	"Moonshark/utils/metadata"

runner/lualibs/env.go

@@ -10,7 +10,7 @@ import (
 	"strings"
 	"sync"
 
-	"Moonshark/utils/color"
+	"Moonshark/color"
 	"Moonshark/utils/logger"
 
 	luajit "git.sharkk.net/Sky/LuaJIT-to-Go"

runner/lualibs/fs.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 	"time"
 
-	"Moonshark/utils/color"
+	"Moonshark/color"
 	"Moonshark/utils/logger"
 
 	lru "git.sharkk.net/Go/LRU"

runner/sqlite/sqlite.go

@@ -11,7 +11,7 @@ import (
 	sqlite "zombiezen.com/go/sqlite"
 	"zombiezen.com/go/sqlite/sqlitex"
 
-	"Moonshark/utils/color"
+	"Moonshark/color"
 	"Moonshark/utils/logger"
 
 	luajit "git.sharkk.net/Sky/LuaJIT-to-Go"

utils/logger/logger.go

@@ -9,7 +9,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	"Moonshark/utils/color"
+	"Moonshark/color"
 )
 
 // Log levels

watchers/api.go

@@ -5,9 +5,9 @@ import (
 	"strings"
 	"sync"
 
+	"Moonshark/color"
 	"Moonshark/router"
 	"Moonshark/runner"
-	"Moonshark/utils/color"
 	"Moonshark/utils/logger"
 )