mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-02 19:20:23 +00:00
79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
// Protocol Buffers for Go with Gadgets
|
|
//
|
|
// Copyright (c) 2013, The GoGo Authors. All rights reserved.
|
|
// http://github.com/gogo/protobuf
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
package version
|
|
|
|
import (
|
|
"fmt"
|
|
"os/exec"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
func Get() string {
|
|
versionBytes, _ := exec.Command("protoc", "--version").CombinedOutput()
|
|
version := strings.TrimSpace(string(versionBytes))
|
|
versions := strings.Split(version, " ")
|
|
if len(versions) != 2 {
|
|
panic("version string returned from protoc is seperated with a space: " + version)
|
|
}
|
|
return versions[1]
|
|
}
|
|
|
|
func parseVersion(version string) (int, error) {
|
|
versions := strings.Split(version, ".")
|
|
if len(versions) != 3 {
|
|
return 0, fmt.Errorf("version does not have 3 numbers seperated by dots: %s", version)
|
|
}
|
|
n := 0
|
|
for _, v := range versions {
|
|
i, err := strconv.Atoi(v)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
n = n*10 + i
|
|
}
|
|
return n, nil
|
|
}
|
|
|
|
func less(this, that string) bool {
|
|
thisNum, err := parseVersion(this)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
thatNum, err := parseVersion(that)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return thisNum <= thatNum
|
|
}
|
|
|
|
func AtLeast(v string) bool {
|
|
return less(v, Get())
|
|
}
|