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// Package strip removes Godeps/_workspace and undoes the Godep rewrites. This |
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// essentially removes the old style (pre-vendor) Godep vendoring. |
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// |
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// Note, this functionality is deprecated. Once more projects use the Godep |
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// support for the core vendoring this will no longer be needed. |
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package strip |
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import ( |
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"bytes" |
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"go/ast" |
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"go/parser" |
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"go/printer" |
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"go/token" |
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"os" |
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"path/filepath" |
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"strconv" |
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"strings" |
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"github.com/Masterminds/glide/msg" |
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) |
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var godepMark = map[string]bool{} |
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var vPath = "vendor" |
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// GodepWorkspace removes any Godeps/_workspace directories and makes sure |
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// any rewrites are undone. |
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// Note, this is not concuccency safe. |
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func GodepWorkspace(v string) error { |
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vPath = v |
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if _, err := os.Stat(vPath); err != nil { |
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if os.IsNotExist(err) { |
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msg.Debug("Vendor directory does not exist.") |
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} |
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return err |
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} |
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err := filepath.Walk(vPath, stripGodepWorkspaceHandler) |
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if err != nil { |
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return err |
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} |
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// Walk the marked projects to make sure rewrites are undone. |
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for k := range godepMark { |
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msg.Info("Removing Godep rewrites for %s", k) |
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err := filepath.Walk(k, rewriteGodepfilesHandler) |
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if err != nil { |
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return err |
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} |
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} |
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return nil |
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} |
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func stripGodepWorkspaceHandler(path string, info os.FileInfo, err error) error { |
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// Skip the base vendor directory |
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if path == vPath { |
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return nil |
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} |
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name := info.Name() |
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p := filepath.Dir(path) |
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pn := filepath.Base(p) |
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if name == "_workspace" && pn == "Godeps" { |
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if _, err := os.Stat(path); err == nil { |
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if info.IsDir() { |
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// Marking this location to make sure rewrites are undone. |
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pp := filepath.Dir(p) |
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godepMark[pp] = true |
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msg.Info("Removing: %s", path) |
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return os.RemoveAll(path) |
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} |
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msg.Debug("%s is not a directory. Skipping removal", path) |
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return nil |
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} |
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} |
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return nil |
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} |
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func rewriteGodepfilesHandler(path string, info os.FileInfo, err error) error { |
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name := info.Name() |
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if info.IsDir() { |
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if name == "testdata" || name == "vendor" { |
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return filepath.SkipDir |
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} |
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return nil |
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} |
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if e := filepath.Ext(path); e != ".go" { |
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return nil |
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} |
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fset := token.NewFileSet() |
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f, err := parser.ParseFile(fset, path, nil, parser.ParseComments) |
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if err != nil { |
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return err |
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} |
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var changed bool |
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for _, s := range f.Imports { |
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n, err := strconv.Unquote(s.Path.Value) |
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if err != nil { |
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return err |
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} |
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q := rewriteGodepImport(n) |
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if q != name { |
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s.Path.Value = strconv.Quote(q) |
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changed = true |
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} |
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} |
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if !changed { |
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return nil |
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} |
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printerConfig := &printer.Config{Mode: printer.TabIndent | printer.UseSpaces, Tabwidth: 8} |
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var buffer bytes.Buffer |
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if err = printerConfig.Fprint(&buffer, fset, f); err != nil { |
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return err |
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} |
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fset = token.NewFileSet() |
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f, err = parser.ParseFile(fset, name, &buffer, parser.ParseComments) |
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ast.SortImports(fset, f) |
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tpath := path + ".temp" |
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t, err := os.Create(tpath) |
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if err != nil { |
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return err |
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} |
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if err = printerConfig.Fprint(t, fset, f); err != nil { |
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return err |
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} |
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if err = t.Close(); err != nil { |
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return err |
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} |
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msg.Debug("Rewriting Godep imports for %s", path) |
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141
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// This is required before the rename on windows. |
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if err = os.Remove(path); err != nil { |
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return err |
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} |
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return os.Rename(tpath, path) |
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} |
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func rewriteGodepImport(n string) string { |
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if !strings.Contains(n, "Godeps/_workspace/src") { |
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return n |
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} |
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i := strings.LastIndex(n, "Godeps/_workspace/src") |
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return strings.TrimPrefix(n[i:], "Godeps/_workspace/src/") |
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} |
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Masterminds /
glide
