fix debug for cross platform

internal/debugreport/collect.go

@@ -9,7 +9,6 @@ import (
 	"strconv"
 	"strings"
 	"sync"
-	"syscall"
 
 	"github.com/docker/docker/client"
 	"github.com/kballard/go-shellquote"
@@ -463,11 +462,7 @@ func availableDiskBytes(ctxCfg *config.Context) (int64, error) {
 func availableDiskBytesAtPathWithSession(ctxCfg *config.Context, session *Session, path string) (int64, error) {
 	trimmedPath := firstNonEmpty(strings.TrimSpace(path), "/")
 	if ctxCfg.DockerHostType == config.ContextLocal {
-		var stat syscall.Statfs_t
-		if err := syscall.Statfs(trimmedPath, &stat); err != nil {
-			return 0, err
-		}
-		return int64(stat.Bavail) * int64(stat.Bsize), nil
+		return localAvailableDiskBytes(trimmedPath)
 	}
 	if session != nil {
 		accessor, err := session.fileAccessorForContext()

internal/debugreport/hoststats_local_other.go

@@ -0,0 +1,27 @@
+//go:build !linux && !darwin
+
+package debugreport
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/libops/sitectl/pkg/config"
+)
+
+func collectLocalHostDiagnostics(ctxCfg *config.Context) HostDiagnostics {
+	diagnostics := HostDiagnostics{
+		CPUCount:           runtime.NumCPU(),
+		MemoryBytes:        -1,
+		SwapBytes:          -1,
+		DiskAvailableBytes: -1,
+		Issues:             []string{"local host diagnostics are not implemented for this platform"},
+	}
+	availableDiskBytes, err := availableDiskBytes(ctxCfg)
+	if err != nil {
+		diagnostics.Issues = append(diagnostics.Issues, fmt.Sprintf("disk: %v", err))
+	} else {
+		diagnostics.DiskAvailableBytes = availableDiskBytes
+	}
+	return diagnostics
+}

internal/debugreport/local_disk_unix.go

@@ -0,0 +1,13 @@
+//go:build linux || darwin
+
+package debugreport
+
+import "syscall"
+
+func localAvailableDiskBytes(path string) (int64, error) {
+	var stat syscall.Statfs_t
+	if err := syscall.Statfs(path, &stat); err != nil {
+		return 0, err
+	}
+	return int64(stat.Bavail) * int64(stat.Bsize), nil
+}

internal/debugreport/local_disk_windows.go

@@ -0,0 +1,19 @@
+//go:build windows
+
+package debugreport
+
+import (
+	"golang.org/x/sys/windows"
+)
+
+func localAvailableDiskBytes(path string) (int64, error) {
+	pathPtr, err := windows.UTF16PtrFromString(path)
+	if err != nil {
+		return 0, err
+	}
+	var freeBytesAvailable uint64
+	if err := windows.GetDiskFreeSpaceEx(pathPtr, &freeBytesAvailable, nil, nil); err != nil {
+		return 0, err
+	}
+	return int64(freeBytesAvailable), nil
+}