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| 1 | +// Copyright 2017 The Go Authors. All rights reserved. |
| 2 | +// Use of this source code is governed by a BSD-style |
| 3 | +// license that can be found in the LICENSE file. |
| 4 | + |
| 5 | +package main |
| 6 | + |
| 7 | +import ( |
| 8 | + "bufio" |
| 9 | + "log" |
| 10 | + "os" |
| 11 | + "path/filepath" |
| 12 | + "strings" |
| 13 | + |
| 14 | + "github.com/golang/dep" |
| 15 | + fb "github.com/golang/dep/internal/feedback" |
| 16 | + "github.com/golang/dep/internal/gps" |
| 17 | + "github.com/pkg/errors" |
| 18 | +) |
| 19 | + |
| 20 | +func vndrFile(dir string) string { |
| 21 | + return filepath.Join(dir, "vendor.conf") |
| 22 | +} |
| 23 | + |
| 24 | +type vndrImporter struct { |
| 25 | + packages []vndrPackage |
| 26 | + |
| 27 | + logger *log.Logger |
| 28 | + verbose bool |
| 29 | + sm gps.SourceManager |
| 30 | +} |
| 31 | + |
| 32 | +func newVndrImporter(log *log.Logger, verbose bool, sm gps.SourceManager) *vndrImporter { |
| 33 | + return &vndrImporter{ |
| 34 | + logger: log, |
| 35 | + verbose: verbose, |
| 36 | + sm: sm, |
| 37 | + } |
| 38 | +} |
| 39 | + |
| 40 | +func (v *vndrImporter) Name() string { return "vndr" } |
| 41 | + |
| 42 | +func (v *vndrImporter) HasDepMetadata(dir string) bool { |
| 43 | + _, err := os.Stat(vndrFile(dir)) |
| 44 | + return err == nil |
| 45 | +} |
| 46 | + |
| 47 | +func (v *vndrImporter) Import(dir string, pr gps.ProjectRoot) (*dep.Manifest, *dep.Lock, error) { |
| 48 | + v.logger.Println("Detected vndr configuration file...") |
| 49 | + |
| 50 | + err := v.loadVndrFile(dir) |
| 51 | + if err != nil { |
| 52 | + return nil, nil, errors.Wrapf(err, "unable to load vndr file") |
| 53 | + } |
| 54 | + |
| 55 | + return v.convert(pr) |
| 56 | +} |
| 57 | + |
| 58 | +func (v *vndrImporter) loadVndrFile(dir string) error { |
| 59 | + v.logger.Printf("Converting from vendor.conf...") |
| 60 | + |
| 61 | + f, err := os.Open(vndrFile(dir)) |
| 62 | + if err != nil { |
| 63 | + return errors.Wrapf(err, "Unable to open %s", vndrFile(dir)) |
| 64 | + } |
| 65 | + defer f.Close() |
| 66 | + |
| 67 | + scanner := bufio.NewScanner(f) |
| 68 | + for scanner.Scan() { |
| 69 | + pkg, err := parseVndrLine(scanner.Text()) |
| 70 | + if err != nil { |
| 71 | + return errors.Wrapf(err, "unable to parse line") |
| 72 | + } |
| 73 | + if pkg == nil { |
| 74 | + // Could be an empty line or one which is just a comment |
| 75 | + continue |
| 76 | + } |
| 77 | + v.packages = append(v.packages, *pkg) |
| 78 | + } |
| 79 | + |
| 80 | + if scanner.Err() != nil { |
| 81 | + return errors.Wrapf(err, "unable to read %s", vndrFile(dir)) |
| 82 | + } |
| 83 | + |
| 84 | + return nil |
| 85 | +} |
| 86 | + |
| 87 | +func (v *vndrImporter) convert(pr gps.ProjectRoot) (*dep.Manifest, *dep.Lock, error) { |
| 88 | + var ( |
| 89 | + manifest = &dep.Manifest{ |
| 90 | + Constraints: make(gps.ProjectConstraints), |
| 91 | + } |
| 92 | + lock = &dep.Lock{} |
| 93 | + err error |
| 94 | + ) |
| 95 | + |
| 96 | + for _, pkg := range v.packages { |
| 97 | + pc := gps.ProjectConstraint{ |
| 98 | + Ident: gps.ProjectIdentifier{ |
| 99 | + ProjectRoot: gps.ProjectRoot(pkg.importPath), |
| 100 | + Source: pkg.repository, |
| 101 | + }, |
| 102 | + } |
| 103 | + pc.Constraint, err = v.sm.InferConstraint(pkg.revision, pc.Ident) |
| 104 | + if err != nil { |
| 105 | + return nil, nil, errors.Wrapf(err, "Unable to interpret revision specifier '%s' for package %s", pkg.importPath, pkg.revision) |
| 106 | + } |
| 107 | + |
| 108 | + manifest.Constraints[pc.Ident.ProjectRoot] = gps.ProjectProperties{ |
| 109 | + Source: pc.Ident.Source, |
| 110 | + Constraint: pc.Constraint, |
| 111 | + } |
| 112 | + fb.NewConstraintFeedback(pc, fb.DepTypeImported).LogFeedback(v.logger) |
| 113 | + |
| 114 | + revision := gps.Revision(pkg.revision) |
| 115 | + version, err := lookupVersionForLockedProject(pc.Ident, pc.Constraint, revision, v.sm) |
| 116 | + if err != nil { |
| 117 | + v.logger.Println(err.Error()) |
| 118 | + } |
| 119 | + |
| 120 | + lp := gps.NewLockedProject(pc.Ident, version, nil) |
| 121 | + |
| 122 | + lock.P = append(lock.P, lp) |
| 123 | + fb.NewLockedProjectFeedback(lp, fb.DepTypeImported).LogFeedback(v.logger) |
| 124 | + } |
| 125 | + |
| 126 | + return manifest, lock, nil |
| 127 | +} |
| 128 | + |
| 129 | +type vndrPackage struct { |
| 130 | + importPath string |
| 131 | + revision string |
| 132 | + repository string |
| 133 | +} |
| 134 | + |
| 135 | +func parseVndrLine(line string) (*vndrPackage, error) { |
| 136 | + commentIdx := strings.Index(line, "#") |
| 137 | + if commentIdx >= 0 { |
| 138 | + line = line[:commentIdx] |
| 139 | + } |
| 140 | + line = strings.TrimSpace(line) |
| 141 | + |
| 142 | + if line == "" { |
| 143 | + return nil, nil |
| 144 | + } |
| 145 | + |
| 146 | + parts := strings.Fields(line) |
| 147 | + |
| 148 | + if !(len(parts) == 2 || len(parts) == 3) { |
| 149 | + return nil, errors.Errorf("invalid config format: %q", line) |
| 150 | + } |
| 151 | + |
| 152 | + pkg := &vndrPackage{ |
| 153 | + importPath: parts[0], |
| 154 | + revision: parts[1], |
| 155 | + } |
| 156 | + if len(parts) == 3 { |
| 157 | + pkg.repository = parts[2] |
| 158 | + } |
| 159 | + |
| 160 | + return pkg, nil |
| 161 | +} |
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