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/*
Copyright 2020 Docker Compose CLI authors
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 compatibility
import (
"fmt"
"os"
"strings"
"github.com/docker/compose/v2/cmd/compose"
)
func getCompletionCommands() []string {
return []string{
"__complete",
"__completeNoDesc",
}
}
func getBoolFlags() []string {
return []string{
"--debug", "-D",
"--verbose",
"--tls",
"--tlsverify",
}
}
func getStringFlags() []string {
return []string{
"--tlscacert",
"--tlscert",
"--tlskey",
"--host", "-H",
"--context",
"--log-level",
}
}
// Convert transforms standalone docker-compose args into CLI plugin compliant ones
func Convert(args []string) []string {
var rootFlags []string
command := []string{compose.PluginName}
l := len(args)
ARGS:
for i := 0; i < l; i++ {
arg := args[i]
if contains(getCompletionCommands(), arg) {
command = append([]string{arg}, command...)
continue
}
if arg != "" && arg[0] != '-' {
command = append(command, args[i:]...)
break
}
switch arg {
case "--verbose":
arg = "--debug"
case "-h":
// docker cli has deprecated -h to avoid ambiguity with -H, while docker-compose still support it
arg = "--help"
case "--version", "-v":
// redirect --version pseudo-command to actual command
arg = "version"
}
if contains(getBoolFlags(), arg) {
rootFlags = append(rootFlags, arg)
continue
}
for _, flag := range getStringFlags() {
if arg == flag {
i++
if i >= l {
fmt.Fprintf(os.Stderr, "flag needs an argument: '%s'\n", arg)
os.Exit(1)
}
rootFlags = append(rootFlags, arg, args[i])
continue ARGS
}
if strings.HasPrefix(arg, flag) {
_, val, found := strings.Cut(arg, "=")
if found {
rootFlags = append(rootFlags, flag, val)
continue ARGS
}
}
}
command = append(command, arg)
}
return append(rootFlags, command...)
}
func contains(array []string, needle string) bool {
for _, val := range array {
if val == needle {
return true
}
}
return false
}
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