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main.go
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main.go
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// Copyright 2018-2020 CERN
//
// 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.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package main
import (
"flag"
"fmt"
"os"
"strings"
)
var (
conf *config
gitCommit, buildDate, version, goVersion string
insecure, skipverify bool
)
func init() {
flag.BoolVar(&insecure, "insecure", false, "disables grpc transport security")
flag.BoolVar(&skipverify, "skip-verify", false, "whether a client verifies the server's certificate chain and host name.")
flag.Parse()
}
func main() {
cmds := []*command{
versionCommand(),
configureCommand(),
loginCommand(),
whoamiCommand(),
importCommand(),
lsCommand(),
statCommand(),
uploadCommand(),
downloadCommand(),
rmCommand(),
moveCommand(),
mkdirCommand(),
ocmShareCreateCommand(),
ocmShareListCommand(),
ocmShareRemoveCommand(),
ocmShareUpdateCommand(),
ocmShareListReceivedCommand(),
ocmShareUpdateReceivedCommand(),
preferencesCommand(),
genCommand(),
recycleListCommand(),
recycleRestoreCommand(),
recyclePurgeCommand(),
shareCreateCommand(),
shareListCommand(),
shareRemoveCommand(),
shareUpdateCommand(),
shareListReceivedCommand(),
shareUpdateReceivedCommand(),
openFileInAppProviderCommand(),
}
mainUsage := createMainUsage(cmds)
// Verify that a subcommand has been provided
if len(flag.Args()) < 1 {
fmt.Println(mainUsage)
os.Exit(1)
}
// Verify a configuration file exists.
// If if does not, create one
c, err := readConfig()
if err != nil && flag.Args()[0] != "configure" {
fmt.Println("reva is not initialized, run \"reva configure\"")
os.Exit(1)
} else if flag.Args()[0] != "configure" {
conf = c
}
// Run command
action := flag.Args()[0]
for _, v := range cmds {
if v.Name == action {
if err := v.Parse(flag.Args()[1:]); err != nil {
fmt.Println(err)
os.Exit(1)
}
err := v.Action()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
os.Exit(0)
}
}
fmt.Println(mainUsage)
os.Exit(1)
}
func createMainUsage(cmds []*command) string {
n := 0
for _, cmd := range cmds {
l := len(cmd.Name)
if l > n {
n = l
}
}
usage := "Command line interface to REVA\n\n"
for _, cmd := range cmds {
usage += fmt.Sprintf("%s%s%s\n", cmd.Name, strings.Repeat(" ", 4+(n-len(cmd.Name))), cmd.Description())
}
usage += "\nThe REVA authors"
return usage
}