mirror of
https://github.com/fluxcd/flux2.git
synced 2025-11-04 03:46:24 +08:00
64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
/*
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Copyright 2020 The Flux authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 main
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import (
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"fmt"
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"strings"
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"github.com/fluxcd/flux2/v2/internal/utils"
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"github.com/fluxcd/flux2/v2/pkg/manifestgen/install"
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)
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func getVersion(input string) (string, error) {
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if input == "" {
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return rootArgs.defaults.Version, nil
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}
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if input != install.MakeDefaultOptions().Version && !strings.HasPrefix(input, "v") {
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return "", fmt.Errorf("targeted version '%s' must be prefixed with 'v'", input)
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}
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if isEmbeddedVersion(input) {
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return input, nil
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}
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var err error
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if input == install.MakeDefaultOptions().Version {
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input, err = install.GetLatestVersion()
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if err != nil {
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return "", err
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}
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} else {
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if ok, err := install.ExistingVersion(input); err != nil || !ok {
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if err == nil {
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err = fmt.Errorf("targeted version '%s' does not exist", input)
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}
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return "", err
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}
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}
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if !utils.CompatibleVersion(VERSION, input) {
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return "", fmt.Errorf("targeted version '%s' is not compatible with your current version of flux (%s)", input, VERSION)
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}
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return input, nil
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}
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func isEmbeddedVersion(input string) bool {
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return input == rootArgs.defaults.Version
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}
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