bridge_new.go

  1package bridgecmd
  2
  3import (
  4	"bufio"
  5	"fmt"
  6	"os"
  7	"strconv"
  8	"strings"
  9
 10	"github.com/spf13/cobra"
 11
 12	"github.com/MichaelMure/git-bug/bridge"
 13	"github.com/MichaelMure/git-bug/bridge/core"
 14	"github.com/MichaelMure/git-bug/bridge/core/auth"
 15	"github.com/MichaelMure/git-bug/commands/completion"
 16	"github.com/MichaelMure/git-bug/commands/execenv"
 17	"github.com/MichaelMure/git-bug/repository"
 18)
 19
 20type bridgeNewOptions struct {
 21	name           string
 22	target         string
 23	params         core.BridgeParams
 24	token          string
 25	tokenStdin     bool
 26	nonInteractive bool
 27}
 28
 29func newBridgeNewCommand(env *execenv.Env) *cobra.Command {
 30	options := bridgeNewOptions{}
 31
 32	cmd := &cobra.Command{
 33		Use:   "new",
 34		Short: "Configure a new bridge",
 35		Long:  "Configure a new bridge by passing flags or/and using interactive terminal prompts. You can avoid all the terminal prompts by passing all the necessary flags to configure your bridge.",
 36		Example: `# Interactive example
 37[1]: github
 38[2]: gitlab
 39[3]: jira
 40[4]: launchpad-preview
 41
 42target: 1
 43name [default]: default
 44
 45Detected projects:
 46[1]: github.com/a-hilaly/git-bug
 47[2]: github.com/MichaelMure/git-bug
 48
 49[0]: Another project
 50
 51Select option: 1
 52
 53[1]: user provided token
 54[2]: interactive token creation
 55Select option: 1
 56
 57You can generate a new token by visiting https://github.com/settings/tokens.
 58Choose 'Generate new token' and set the necessary access scope for your repository.
 59
 60The access scope depend on the type of repository.
 61Public:
 62	- 'public_repo': to be able to read public repositories
 63Private:
 64	- 'repo'       : to be able to read private repositories
 65
 66Enter token: 87cf5c03b64029f18ea5f9ca5679daa08ccbd700
 67Successfully configured bridge: default
 68
 69# For GitHub
 70git bug bridge new \
 71    --name=default \
 72    --target=github \
 73    --owner=$(OWNER) \
 74    --project=$(PROJECT) \
 75    --token=$(TOKEN)
 76
 77# For Launchpad
 78git bug bridge new \
 79    --name=default \
 80    --target=launchpad-preview \
 81    --url=https://bugs.launchpad.net/ubuntu/
 82
 83# For Gitlab
 84git bug bridge new \
 85    --name=default \
 86    --target=github \
 87    --url=https://github.com/michaelmure/git-bug \
 88    --token=$(TOKEN)`,
 89		PreRunE: execenv.LoadBackend(env),
 90		RunE: execenv.CloseBackend(env, func(cmd *cobra.Command, args []string) error {
 91			return runBridgeNew(env, options)
 92		}),
 93	}
 94
 95	flags := cmd.Flags()
 96	flags.SortFlags = false
 97
 98	flags.StringVarP(&options.name, "name", "n", "", "A distinctive name to identify the bridge")
 99	flags.StringVarP(&options.target, "target", "t", "",
100		fmt.Sprintf("The target of the bridge. Valid values are [%s]", strings.Join(bridge.Targets(), ",")))
101	cmd.RegisterFlagCompletionFunc("target", completion.From(bridge.Targets()))
102	flags.StringVarP(&options.params.URL, "url", "u", "", "The URL of the remote repository")
103	flags.StringVarP(&options.params.BaseURL, "base-url", "b", "", "The base URL of your remote issue tracker")
104	flags.StringVarP(&options.params.Login, "login", "l", "", "The login on your remote issue tracker")
105	flags.StringVarP(&options.params.CredPrefix, "credential", "c", "", "The identifier or prefix of an already known credential for your remote issue tracker (see \"git-bug bridge auth\")")
106	flags.StringVar(&options.token, "token", "", "A raw authentication token for the remote issue tracker")
107	flags.BoolVar(&options.tokenStdin, "token-stdin", false, "Will read the token from stdin and ignore --token")
108	flags.StringVarP(&options.params.Owner, "owner", "o", "", "The owner of the remote repository")
109	flags.StringVarP(&options.params.Project, "project", "p", "", "The name of the remote repository")
110	flags.BoolVar(&options.nonInteractive, "non-interactive", false, "Do not ask for user input")
111
112	return cmd
113}
114
115func runBridgeNew(env *execenv.Env, opts bridgeNewOptions) error {
116	var err error
117
118	if (opts.tokenStdin || opts.token != "" || opts.params.CredPrefix != "") &&
119		(opts.name == "" || opts.target == "") {
120		return fmt.Errorf("you must provide a bridge name and target to configure a bridge with a credential")
121	}
122
123	// early fail
124	if opts.params.CredPrefix != "" {
125		if _, err := auth.LoadWithPrefix(env.Repo, opts.params.CredPrefix); err != nil {
126			return err
127		}
128	}
129
130	switch {
131	case opts.tokenStdin:
132		reader := bufio.NewReader(os.Stdin)
133		token, err := reader.ReadString('\n')
134		if err != nil {
135			return fmt.Errorf("reading from stdin: %v", err)
136		}
137		opts.params.TokenRaw = strings.TrimSpace(token)
138	case opts.token != "":
139		opts.params.TokenRaw = opts.token
140	}
141
142	if !opts.nonInteractive && opts.target == "" {
143		opts.target, err = promptTarget()
144		if err != nil {
145			return err
146		}
147	}
148
149	if !opts.nonInteractive && opts.name == "" {
150		opts.name, err = promptName(env.Repo)
151		if err != nil {
152			return err
153		}
154	}
155
156	b, err := bridge.NewBridge(env.Backend, opts.target, opts.name)
157	if err != nil {
158		return err
159	}
160
161	err = b.Configure(opts.params, !opts.nonInteractive)
162	if err != nil {
163		return err
164	}
165
166	env.Out.Printf("Successfully configured bridge: %s\n", opts.name)
167	return nil
168}
169
170func promptTarget() (string, error) {
171	// TODO: use the reusable prompt from the input package
172	targets := bridge.Targets()
173
174	for {
175		for i, target := range targets {
176			fmt.Printf("[%d]: %s\n", i+1, target)
177		}
178		fmt.Printf("target: ")
179
180		line, err := bufio.NewReader(os.Stdin).ReadString('\n')
181
182		if err != nil {
183			return "", err
184		}
185
186		line = strings.TrimSpace(line)
187
188		index, err := strconv.Atoi(line)
189		if err != nil || index <= 0 || index > len(targets) {
190			fmt.Println("invalid input")
191			continue
192		}
193
194		return targets[index-1], nil
195	}
196}
197
198func promptName(repo repository.RepoConfig) (string, error) {
199	// TODO: use the reusable prompt from the input package
200	const defaultName = "default"
201
202	defaultExist := core.BridgeExist(repo, defaultName)
203
204	for {
205		if defaultExist {
206			fmt.Printf("name: ")
207		} else {
208			fmt.Printf("name [%s]: ", defaultName)
209		}
210
211		line, err := bufio.NewReader(os.Stdin).ReadString('\n')
212		if err != nil {
213			return "", err
214		}
215
216		line = strings.TrimSpace(line)
217
218		name := line
219		if defaultExist && name == "" {
220			continue
221		}
222
223		if name == "" {
224			name = defaultName
225		}
226
227		if !core.BridgeExist(repo, name) {
228			return name, nil
229		}
230
231		fmt.Println("a bridge with the same name already exist")
232	}
233}