github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/common/path.go (about)

     1  // This file is part of the go-sberex library. The go-sberex library is 
     2  // free software: you can redistribute it and/or modify it under the terms 
     3  // of the GNU Lesser General Public License as published by the Free 
     4  // Software Foundation, either version 3 of the License, or (at your option)
     5  // any later version.
     6  //
     7  // The go-sberex library is distributed in the hope that it will be useful, 
     8  // but WITHOUT ANY WARRANTY; without even the implied warranty of
     9  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
    10  // General Public License <http://www.gnu.org/licenses/> for more details.
    11  
    12  package common
    13  
    14  import (
    15  	"fmt"
    16  	"os"
    17  	"path/filepath"
    18  	"runtime"
    19  )
    20  
    21  // MakeName creates a node name that follows the sberex convention
    22  // for such names. It adds the operation system name and Go runtime version
    23  // the name.
    24  func MakeName(name, version string) string {
    25  	return fmt.Sprintf("%s/v%s/%s/%s", name, version, runtime.GOOS, runtime.Version())
    26  }
    27  
    28  func FileExist(filePath string) bool {
    29  	_, err := os.Stat(filePath)
    30  	if err != nil && os.IsNotExist(err) {
    31  		return false
    32  	}
    33  
    34  	return true
    35  }
    36  
    37  func AbsolutePath(Datadir string, filename string) string {
    38  	if filepath.IsAbs(filename) {
    39  		return filename
    40  	}
    41  	return filepath.Join(Datadir, filename)
    42  }