Golang Client.DeleteDir方法代码示例

//.........这里部分代码省略.........
	}

	configInfo := config.ConfigInfo{
		Repo:    repo,
		Branch:  branch,
		Version: commitHash,
		Commit: config.CommitInfo{
			TimeStamp:      timestamp,
			CommitterEmail: email,
			Subject:        subject,
		},
		ModFiles:   *modFiles,
		PathToRepo: pathToRepo,
	}

	jsonBytes, err := json.Marshal(configInfo)
	if err != nil {
		log.Fatalf("error when marshal configInfo, err: %s", err)
	}
	fmt.Printf("ConfigInfo json: %s\n", string(jsonBytes[:len(jsonBytes)]))

	// Get previous pusher information from root node for sanity check.
	if !etcdHasCommit {
		promptUser("There is no existing commit in remote tree. It could because " +
			"you're pushing to a clean tree. Do you want to continue?")
	} else {
		// Sanity check of pusher info.
		if configInfo.Repo != prevCFG.Repo {
			promptUser("Repo to be pushed <%s> != remote repo name <%s>. Continue?",
				configInfo.Repo, prevCFG.Repo)
		}
		if configInfo.Branch != prevCFG.Branch {
			promptUser("Branch to be pushed <%s> != remote branch <%s>. Continue?",
				configInfo.Branch, prevCFG.Branch)
		}
		if configInfo.PathToRepo != prevCFG.PathToRepo {
			promptUser("Path to repo <%s> != remote path <%s>. Continue?",
				configInfo.PathToRepo, prevCFG.PathToRepo)
		}
	}

	keys := make([]string, len(content))
	// sort content's keys
	i := 0
	for k := range content {
		keys[i] = k
		i++
	}
	sort.Strings(keys)

	// set etcd content.
	for _, k := range keys {
		fileP := filepath.Join(remoteRoot, k)
		fmt.Printf("creating or setting %s\n", fileP)
		if content[k].isDir {
			if _, err := etcdConn.Get(fileP, true, false); err != nil {
				// dir doesn't exist
				resp, err = etcdConn.SetDir(fileP, 0)
			}
		} else {
			resp, err = etcdConn.Set(fileP, string(content[k].content), 0)
		}
		if err != nil {
			log.Fatalf("error when setting znode >%s(%s + %s)<. Config server will be inconsistent: %s",
				fileP, remoteRoot, k, err)
		}
	}

	// go over deletes in commit
	for _, mod := range *modFiles {
		if strings.ToLower(mod.Op) != "d" {
			continue
		}
		// it's a delete
		// Find the relative path to etcd root.
		fileP := filepath.Join(remoteRoot, mod.Path)
		fmt.Printf("deleting %s (%s + %s)\n", fileP, remoteRoot, mod.Path)
		_, err = etcdConn.Delete(fileP, true)
		if err != nil {
			log.Errorf("error deleting file >%s<. Will continue. error: %s\n", fileP, err)
		}
		// since git uses a file as  a commit unit, there is nothing to do with folder.
		// what we are going to do is to delete each fileP which is modified with "d" and its corresponding folder.
		// If we still have children under that folder, deleting the folder will fail but we do not care.
		pDir := filepath.Join(remoteRoot, path.Dir(mod.Path))
		_, err = etcdConn.DeleteDir(pDir)
		// In normal case, we should get an error.
		// so just logging, if we have no error here.
		if err == nil {
			log.Errorf("error deleting dir >%s<.\n", pDir)
		}
	}

	// touch the root node with commit info
	_, err = etcdConn.Set(infoPath, string(jsonBytes), 0)
	if err != nil {
		log.Fatalf("error setting remoteRoot >%s<: %s\n", remoteRoot, err)
	}
	fmt.Printf("All done\n")
}