separate syscall to avoid breaking the windows build

common.go

@@ -25,8 +25,8 @@ const (
 	// AUTO marks system generated event records.
 	AUTO = "auto"
 
-    // Directory creation permission mode
-    const DIR_PERM = 0755
+	// Directory creation permission mode
+	DIR_PERM = 0755
 )
 
 // Dependency Relations
@@ -37,7 +37,6 @@ const (
 	REQUIRES  Relation = "requires"
 )
 
-
 // makeKey returns a database key consisting of provided arguments, joined with KEY_SEPARATOR
 // and prefixed with the PathHash.
 func (f *File) makeKey(subkeys ...interface{}) (val string) {

file.go

@@ -11,7 +11,6 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"syscall"
 
 	"github.com/gyepisam/fileutils"
 )
@@ -327,12 +326,3 @@ func (f *File) NewOutput(isArg3 bool) (*Output, error) {
 	}
 	return &Output{tmp, isArg3}, nil
 }
-
-func statUidGid(finfo os.FileInfo) (uint32, uint32, error) {
-	sys := finfo.Sys()
-	if sys == nil {
-		return 0, 0, errors.New("finfo.Sys() is unsupported")
-	}
-	stat := sys.(*syscall.Stat_t)
-	return stat.Uid, stat.Gid, nil
-}

stat.go

@@ -0,0 +1,18 @@
+// +build !windows
+
+package redux
+
+import (
+	"errors"
+	"os"
+	"syscall"
+)
+
+func statUidGid(finfo os.FileInfo) (uint32, uint32, error) {
+	sys := finfo.Sys()
+	if sys == nil {
+		return 0, 0, errors.New("finfo.Sys() is unsupported")
+	}
+	stat := sys.(*syscall.Stat_t)
+	return stat.Uid, stat.Gid, nil
+}

stat_windows.go

@@ -0,0 +1,12 @@
+// +build windows
+
+package redux
+
+import (
+	"errors"
+	"os"
+)
+
+func statUidGid(finfo os.FileInfo) (uint32, uint32, error) {
+	return 0, 0, errors.New("finfo.Sys() is unsupported")
+}