重构代码

internal/fsutil/common.go

@@ -0,0 +1,27 @@
+package fsutil
+
+import "os"
+
+func Exists(path string) bool {
+	_, err := os.Stat(path)
+	if err != nil && os.IsNotExist(err) {
+		return false
+	}
+	return true
+}
+
+func IsFile(path string) bool {
+	stat, err := os.Stat(path)
+	if err != nil {
+		return false
+	}
+	return !stat.IsDir()
+}
+
+func IsFolder(path string) bool {
+	stat, err := os.Stat(path)
+	if err != nil {
+		return false
+	}
+	return stat.IsDir()
+}

internal/fsutil/time_darwin.go

@@ -0,0 +1,22 @@
+//go:build darwin
+// +build darwin
+
+package fsutil
+
+import (
+	"os"
+	"syscall"
+	"time"
+)
+
+func timespecToTime(ts syscall.Timespec) time.Time {
+	return time.Unix(int64(ts.Sec), int64(ts.Nsec))
+}
+
+func GetFileCreationTime(fileinfo os.FileInfo) time.Time {
+	return timespecToTime(fileinfo.Sys().(*syscall.Stat_t).Ctimespec)
+}
+
+func GetFileAccessTime(fileinfo os.FileInfo) time.Time {
+	return timespecToTime(fileinfo.Sys().(*syscall.Stat_t).Atimespec)
+}

internal/fsutil/time_linux.go

@@ -0,0 +1,22 @@
+//go:build linux
+// +build linux
+
+package fsutil
+
+import (
+	"os"
+	"syscall"
+	"time"
+)
+
+func timespecToTime(ts syscall.Timespec) time.Time {
+	return time.Unix(int64(ts.Sec), int64(ts.Nsec))
+}
+
+func GetFileCreationTime(fileinfo os.FileInfo) time.Time {
+	return timespecToTime(fileinfo.Sys().(*syscall.Stat_t).Ctim)
+}
+
+func GetFileAccessTime(fileinfo os.FileInfo) time.Time {
+	return timespecToTime(fileinfo.Sys().(*syscall.Stat_t).Atim)
+}

internal/fsutil/time_windows.go

@@ -0,0 +1,20 @@
+//go:build windows
+// +build windows
+
+package fsutil
+
+import (
+	"os"
+	"syscall"
+	"time"
+)
+
+func GetFileCreationTime(fileinfo os.FileInfo) time.Time {
+	data := fileinfo.Sys().(*syscall.Win32FileAttributeData)
+	return time.Unix(0, data.CreationTime.Nanoseconds())
+}
+
+func GetFileAccessTime(fileinfo os.FileInfo) time.Time {
+	data := fileinfo.Sys().(*syscall.Win32FileAttributeData)
+	return time.Unix(0, data.LastAccessTime.Nanoseconds())
+}