github.com/grafana/tail@v0.0.0-20230510142333-77b18831edf0/tail_posix.go (about)

     1  // +build linux darwin freebsd netbsd openbsd
     2  
     3  package tail
     4  
     5  import (
     6  	"os"
     7  	"path/filepath"
     8  )
     9  
    10  func OpenFile(name string) (file *os.File, err error) {
    11  	filename := name
    12  	// Check if the path requested is a symbolic link
    13  	fi, err := os.Lstat(name)
    14  	if err != nil {
    15  		return nil, err
    16  	}
    17  	if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
    18  		filename, err = filepath.EvalSymlinks(name)
    19  		if err != nil {
    20  			return nil, err
    21  		}
    22  	}
    23  	return os.Open(filename)
    24  }