Template examples for Go

rewrite_script_partial.go

	lines := bufio.NewScanner(os.Stdin)
	var (
		newRepoName                     string
		exportedName, rpcServiceName    string
		slugName, orgSlugName           string
		githubHandle                    string
		teamName, costTeam, costProduct string
		supportChannel                  string
	)
	for _, param := range []struct {
		query    string
		out      *string
		validate *regexp.Regexp
		help     string
	}{
		{
			query:    "Repo name? (e.g. service-your-service-name)",
			out:      &newRepoName,
			validate: validServiceName,
			help:     "Repo names must be kebab case and start with 'service-'",
		},
		{
			query:    "Service struct name? (e.g. YourServiceName)",
			out:      &exportedName,
			validate: validCamelCase,
			help:     "Struct names must be camel case",
		},
		{
			query:    "Slug (short) name? (e.g. yourservice)",
			out:      &slugName,
			validate: validSlugName,
			help:     "Slug names must be all lower case one word",
		},
		{
			query:    "Org Slug (short) name for proto package? (e.g. coreplatform)",
			out:      &orgSlugName,
			validate: validSlugName,
			help:     "Slug names must be all lower case one word",
		},
		{
			query:    "RPC service name? (e.g. FooService)",
			out:      &rpcServiceName,
			validate: validRPCServiceName,
			help:     "RPC Service names must be camel case and have the suffix 'Service'",
		},
		{
			query:    "GitHub Team name? (e.g. @org/your-team)",
			out:      &githubHandle,
			validate: validGitHubHandle,
			help:     "Must be either a team name @org/your-team or indivudal @your-name",
		},
		{
			query:    "Team name? (e.g. Your Team)",
			out:      &teamName,
			validate: anythingGoes,
			help:     "I'm not picky, give me something",
		},
		{
			query:    "Support / team channel? (e.g. team-support)",
			out:      &supportChannel,
			validate: validSlackName,
			help:     "Must be a valid slack channel, without the leading `#`",
		},
		{
			query:    "Cost allocation team? (e.g. Cost Center)",
			out:      &costTeam,
			validate: anythingGoes,
			help:     "Give me something, anything",
		},
		{
			query:    "Cost product team? (e.g. Cost Center Product)",
			out:      &costProduct,
			validate: anythingGoes,
			help:     "Give me something, anything",
		},
	} {
		fmt.Println(param.query)
		for lines.Scan() {
			line := lines.Text()
			if !param.validate.MatchString(line) {
				fmt.Printf("TRY AGAIN: %s (i.e. /%s/), got %q\n", param.help, param.validate, line)
				fmt.Println(param.query) // print the question again in case they forgot or lost it in scrollback
				continue
			}
			*param.out = line
			break
		}
	}
	if err := lines.Err(); err != nil {
		ctxlog.For(ctx).Fatalf("Failed to read input: %s", err)
	}