16ecaac4fc
Currently gateway is listed as a command after {version, update}
which is incorrect, fix it.
149 lines
4 KiB
Go
149 lines
4 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015, 2016, 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"os"
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"path/filepath"
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"sort"
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"github.com/minio/cli"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/minio/pkg/trie"
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"github.com/minio/minio/pkg/words"
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)
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// global flags for minio.
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var globalFlags = []cli.Flag{
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cli.StringFlag{
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Name: "config-dir, C",
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Value: getConfigDir(),
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Usage: "Path to configuration directory.",
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},
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cli.BoolFlag{
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Name: "quiet",
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Usage: "Disable startup information.",
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},
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}
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// Help template for minio.
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var minioHelpTemplate = `NAME:
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{{.Name}} - {{.Usage}}
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DESCRIPTION:
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{{.Description}}
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USAGE:
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{{.HelpName}} {{if .VisibleFlags}}[FLAGS] {{end}}COMMAND{{if .VisibleFlags}}{{end}} [ARGS...]
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COMMANDS:
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{{range .VisibleCommands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}}
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{{end}}{{if .VisibleFlags}}
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FLAGS:
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{{range .VisibleFlags}}{{.}}
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{{end}}{{end}}
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VERSION:
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` + Version +
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`{{ "\n"}}`
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func newApp(name string) *cli.App {
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// Collection of minio commands currently supported are.
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commands := []cli.Command{}
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// Collection of minio commands currently supported in a trie tree.
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commandsTree := trie.NewTrie()
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// registerCommand registers a cli command.
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registerCommand := func(command cli.Command) {
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commands = append(commands, command)
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commandsTree.Insert(command.Name)
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}
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findClosestCommands := func(command string) []string {
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var closestCommands []string
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for _, value := range commandsTree.PrefixMatch(command) {
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closestCommands = append(closestCommands, value.(string))
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}
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sort.Strings(closestCommands)
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// Suggest other close commands - allow missed, wrongly added and
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// even transposed characters
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for _, value := range commandsTree.Walk(commandsTree.Root()) {
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if sort.SearchStrings(closestCommands, value.(string)) < len(closestCommands) {
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continue
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}
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// 2 is arbitrary and represents the max
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// allowed number of typed errors
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if words.DamerauLevenshteinDistance(command, value.(string)) < 2 {
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closestCommands = append(closestCommands, value.(string))
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}
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}
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return closestCommands
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}
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// Register all commands.
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registerCommand(serverCmd)
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registerCommand(gatewayCmd)
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registerCommand(updateCmd)
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registerCommand(versionCmd)
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// Set up app.
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cli.HelpFlag = cli.BoolFlag{
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Name: "help, h",
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Usage: "Show help.",
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}
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app := cli.NewApp()
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app.Name = name
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app.Author = "Minio.io"
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app.Version = Version
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app.Usage = "Cloud Storage Server."
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app.Description = `Minio is an Amazon S3 compatible object storage server. Use it to store photos, videos, VMs, containers, log files, or any blob of data as objects.`
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app.Flags = globalFlags
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app.HideVersion = true // Hide `--version` flag, we already have `minio version`.
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app.HideHelpCommand = true // Hide `help, h` command, we already have `minio --help`.
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app.Commands = commands
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app.CustomAppHelpTemplate = minioHelpTemplate
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app.CommandNotFound = func(ctx *cli.Context, command string) {
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console.Printf("‘%s’ is not a minio sub-command. See ‘minio --help’.\n", command)
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closestCommands := findClosestCommands(command)
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if len(closestCommands) > 0 {
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console.Println()
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console.Println("Did you mean one of these?")
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for _, cmd := range closestCommands {
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console.Printf("\t‘%s’\n", cmd)
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}
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}
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os.Exit(1)
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}
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return app
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}
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// Main main for minio server.
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func Main(args []string) {
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// Set the minio app name.
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appName := filepath.Base(args[0])
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// Run the app - exit on error.
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if err := newApp(appName).Run(args); err != nil {
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os.Exit(1)
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}
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}
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