dep/analyzer.go

54 строки
1.3 KiB
Go

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package dep
import (
"os"
"path/filepath"
"github.com/golang/dep/internal/fs"
"github.com/golang/dep/internal/gps"
)
// Analyzer implements gps.ProjectAnalyzer.
type Analyzer struct{}
// HasDepMetadata determines if a dep manifest exists at the specified path.
func (a Analyzer) HasDepMetadata(path string) bool {
mf := filepath.Join(path, ManifestName)
fileOK, err := fs.IsRegular(mf)
return err == nil && fileOK
}
// DeriveManifestAndLock reads and returns the manifest at path/ManifestName or nil if one is not found.
// The Lock is always nil for now.
func (a Analyzer) DeriveManifestAndLock(path string, n gps.ProjectRoot) (gps.Manifest, gps.Lock, error) {
if !a.HasDepMetadata(path) {
return nil, nil, nil
}
f, err := os.Open(filepath.Join(path, ManifestName))
if err != nil {
return nil, nil, err
}
defer f.Close()
// Ignore warnings irrelevant to user.
m, _, err := readManifest(f)
if err != nil {
return nil, nil, err
}
return m, nil, nil
}
// Info returns Analyzer's name and version info.
func (a Analyzer) Info() gps.ProjectAnalyzerInfo {
return gps.ProjectAnalyzerInfo{
Name: "dep",
Version: 1,
}
}