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filepath_posix.go
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/
filepath_posix.go
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// +build linux freebsd openbsd netbsd darwin
package file
import (
"os"
"os/user"
"strconv"
"syscall"
"github.com/joeshaw/multierror"
"github.com/pkg/errors"
)
func Stat(path string) (*Metadata, error) {
info, err := os.Lstat(path)
if err != nil {
return nil, errors.Wrap(err, "failed to stat path")
}
stat, ok := info.Sys().(*syscall.Stat_t)
if !ok {
return nil, errors.Errorf("unexpected fileinfo sys type %T for %v", info.Sys(), path)
}
fileInfo := &Metadata{
Inode: stat.Ino,
UID: stat.Uid,
GID: stat.Gid,
Mode: info.Mode(),
Size: info.Size(),
}
fileInfo.ATime, fileInfo.MTime, fileInfo.CTime = fileTimes(stat)
switch {
case info.IsDir():
fileInfo.Type = "dir"
case info.Mode().IsRegular():
fileInfo.Type = "file"
case info.Mode()&os.ModeSymlink > 0:
fileInfo.Type = "symlink"
}
// Lookup UID and GID
var errs multierror.Errors
owner, err := user.LookupId(strconv.Itoa(int(fileInfo.UID)))
if err != nil {
errs = append(errs, err)
} else {
fileInfo.Owner = owner.Username
}
group, err := user.LookupGroupId(strconv.Itoa(int(fileInfo.GID)))
if err != nil {
errs = append(errs, err)
} else {
fileInfo.Group = group.Name
}
return fileInfo, errs.Err()
}