/
version.go
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/
version.go
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// Copyright 2017 Istio 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 version for fortio holds version information and build information.
package version // import "fortio.org/fortio/version"
import (
"fmt"
"runtime"
"fortio.org/fortio/log"
)
const (
major = 1
minor = 4
patch = 4
debug = false // turn on to debug init()
)
var (
// The following are set by Dockerfile during link time:
tag = "n/a"
buildInfo = "unknown"
// Number of lines in git status --porcelain; 0 means clean
gitstatus = "0" // buildInfo default is unknown so no need to add -dirty
// computed in init()
version = ""
longVersion = ""
)
// Major returns the numerical major version number (first digit of version.Short()).
func Major() int {
return major
}
// Minor returns the numerical minor version number (second digit of version.Short()).
func Minor() int {
return minor
}
// Patch returns the numerical patch level (third digit of version.Short()).
func Patch() int {
return patch
}
// Short returns the 3 digit short version string Major.Minor.Patch[-pre]
// version.Short() is the overall project version (used to version json
// output too). "-pre" is added when the version doesn't match exactly
// a git tag or the build isn't from a clean source tree. (only standard
// dockerfile based build of a clean, tagged source tree should print "X.Y.Z"
// as short version).
func Short() string {
return version
}
// Long returns the full version and build information.
// Format is "X.Y.X[-pre] YYYY-MM-DD HH:MM SHA[-dirty]" date and time is
// the build date (UTC), sha is the git sha of the source tree.
func Long() string {
return longVersion
}
// Carefully manually tested all the combinations in pair with Dockerfile
func init() {
if debug {
log.SetLogLevel(log.Debug)
}
version = fmt.Sprintf("%d.%d.%d", major, minor, patch)
clean := (gitstatus == "0")
// The docker build will pass the git tag to the build, if it is clean
// from a tag it will look like v0.7.0
if tag != "v"+version || !clean {
log.Debugf("tag is %v, clean is %v marking as pre release", tag, clean)
version += "-pre"
}
if !clean {
buildInfo += "-dirty"
log.Debugf("gitstatus is %q, marking buildinfo as dirty: %v", gitstatus, buildInfo)
}
longVersion = version + " " + buildInfo + " " + runtime.Version()
}