decentral1se
56a68dfa91
All checks were successful
continuous-integration/drone/push Build is passing
44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
//go:build !windows
|
|
|
|
package archive
|
|
|
|
import (
|
|
"io/fs"
|
|
"os"
|
|
"syscall"
|
|
)
|
|
|
|
func statDifferent(oldStat fs.FileInfo, newStat fs.FileInfo) bool {
|
|
oldSys := oldStat.Sys().(*syscall.Stat_t)
|
|
newSys := newStat.Sys().(*syscall.Stat_t)
|
|
// Don't look at size for dirs, its not a good measure of change
|
|
if oldStat.Mode() != newStat.Mode() ||
|
|
oldSys.Uid != newSys.Uid ||
|
|
oldSys.Gid != newSys.Gid ||
|
|
oldSys.Rdev != newSys.Rdev ||
|
|
// Don't look at size or modification time for dirs, its not a good
|
|
// measure of change. See https://github.com/moby/moby/issues/9874
|
|
// for a description of the issue with modification time, and
|
|
// https://github.com/moby/moby/pull/11422 for the change.
|
|
// (Note that in the Windows implementation of this function,
|
|
// modification time IS taken as a change). See
|
|
// https://github.com/moby/moby/pull/37982 for more information.
|
|
(!oldStat.Mode().IsDir() &&
|
|
(!sameFsTime(oldStat.ModTime(), newStat.ModTime()) || (oldStat.Size() != newStat.Size()))) {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (info *FileInfo) isDir() bool {
|
|
return info.parent == nil || info.stat.Mode().IsDir()
|
|
}
|
|
|
|
func getIno(fi os.FileInfo) uint64 {
|
|
return fi.Sys().(*syscall.Stat_t).Ino
|
|
}
|
|
|
|
func hasHardlinks(fi os.FileInfo) bool {
|
|
return fi.Sys().(*syscall.Stat_t).Nlink > 1
|
|
}
|