/
ls-main.go
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/
ls-main.go
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/*
* Minio Client (C) 2014, 2015 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"strings"
"github.com/fatih/color"
"github.com/minio/cli"
"github.com/minio/mc/pkg/client"
"github.com/minio/mc/pkg/console"
)
// ls specific flags.
var (
lsFlags = []cli.Flag{
cli.BoolFlag{
Name: "help, h",
Usage: "Help of ls.",
},
cli.BoolFlag{
Name: "recursive, r",
Usage: "List recursively.",
},
cli.BoolFlag{
Name: "incomplete, I",
Usage: "Remove incomplete uploads.",
},
}
)
// list files and folders.
var lsCmd = cli.Command{
Name: "ls",
Usage: "List files and folders.",
Action: mainList,
Flags: append(lsFlags, globalFlags...),
CustomHelpTemplate: `NAME:
mc {{.Name}} - {{.Usage}}
USAGE:
mc {{.Name}} [FLAGS] TARGET [TARGET ...]
FLAGS:
{{range .Flags}}{{.}}
{{end}}
EXAMPLES:
1. List buckets on Amazon S3 cloud storage.
$ mc {{.Name}} s3
2. List buckets and all its contents from Amazon S3 cloud storage recursively.
$ mc {{.Name}} --recursive s3
3. List all contents of mybucket on Amazon S3 cloud storage.
$ mc {{.Name}} s3/mybucket/
4. List all contents of mybucket on Amazon S3 cloud storage on Microsoft Windows.
$ mc {{.Name}} s3\mybucket\
5. List files recursively on a local filesystem on Microsoft Windows.
$ mc {{.Name}} --recursive C:\Users\Worf\
6. List incomplete (previously failed) uploads of objects on Amazon S3.
$ mc {{.Name}} --incomplete s3/mybucket
`,
}
// checkListSyntax - validate all the passed arguments
func checkListSyntax(ctx *cli.Context) {
args := ctx.Args()
if !ctx.Args().Present() {
args = []string{"."}
}
for _, arg := range args {
if strings.TrimSpace(arg) == "" {
fatalIf(errInvalidArgument().Trace(args...), "Unable to validate empty argument.")
}
}
// extract URLs.
URLs := ctx.Args()
isIncomplete := ctx.Bool("incomplete")
for _, url := range URLs {
_, _, err := url2Stat(url)
if err != nil && !isURLPrefixExists(url, isIncomplete) {
fatalIf(err.Trace(url), "Unable to stat ‘"+url+"’.")
}
}
}
// mainList - is a handler for mc ls command
func mainList(ctx *cli.Context) {
// Additional command speific theme customization.
console.SetColor("File", color.New(color.FgWhite))
console.SetColor("Dir", color.New(color.FgCyan, color.Bold))
console.SetColor("Size", color.New(color.FgYellow))
console.SetColor("Time", color.New(color.FgGreen))
// Set global flags from context.
setGlobalsFromContext(ctx)
// check 'ls' cli arguments.
checkListSyntax(ctx)
// Set command flags from context.
isRecursive := ctx.Bool("recursive")
isIncomplete := ctx.Bool("incomplete")
args := ctx.Args()
// mimic operating system tool behavior.
if !ctx.Args().Present() {
args = []string{"."}
}
for _, targetURL := range args {
var clnt client.Client
clnt, err := newClient(targetURL)
fatalIf(err.Trace(targetURL), "Unable to initialize target ‘"+targetURL+"’.")
err = doList(clnt, isRecursive, isIncomplete)
if err != nil {
errorIf(err.Trace(clnt.GetURL().String()), "Unable to list target ‘"+clnt.GetURL().String()+"’.")
continue
}
}
}