cosmos-sdk/version/version.go

116 lines
3.0 KiB
Go

// Package version is a convenience utility that provides SDK
// consumers with a ready-to-use version command that
// produces apps versioning information based on flags
// passed at compile time.
//
// Configure the version command
//
// The version command can be just added to your cobra root command.
// At build time, the variables Name, Version, Commit, and BuildTags
// can be passed as build flags as shown in the following example:
//
// go build -X github.com/cosmos/cosmos-sdk/version.Name=gaia \
// -X github.com/cosmos/cosmos-sdk/version.AppName=gaiad \
// -X github.com/cosmos/cosmos-sdk/version.Version=1.0 \
// -X github.com/cosmos/cosmos-sdk/version.Commit=f0f7b7dab7e36c20b757cebce0e8f4fc5b95de60 \
// -X "github.com/cosmos/cosmos-sdk/version.BuildTags=linux darwin amd64"
package version
import (
"encoding/json"
"fmt"
"runtime"
"runtime/debug"
)
var (
// application's name
Name = ""
// application binary name
AppName = "<appd>"
// application's version string
Version = ""
// commit
Commit = ""
// build tags
BuildTags = ""
)
func getSDKVersion() string {
deps, ok := debug.ReadBuildInfo()
if !ok {
return "unable to read deps"
}
var sdkVersion string
for _, dep := range deps.Deps {
if dep.Path == "github.com/cosmos/cosmos-sdk" {
sdkVersion = dep.Version
}
}
return sdkVersion
}
// Info defines the application version information.
type Info struct {
Name string `json:"name" yaml:"name"`
AppName string `json:"server_name" yaml:"server_name"`
Version string `json:"version" yaml:"version"`
GitCommit string `json:"commit" yaml:"commit"`
BuildTags string `json:"build_tags" yaml:"build_tags"`
GoVersion string `json:"go" yaml:"go"`
BuildDeps []buildDep `json:"build_deps" yaml:"build_deps"`
CosmosSdkVersion string `json:"cosmos_sdk_version" yaml:"cosmos_sdk_version"`
}
func NewInfo() Info {
sdkVersion := getSDKVersion()
return Info{
Name: Name,
AppName: AppName,
Version: Version,
GitCommit: Commit,
BuildTags: BuildTags,
GoVersion: fmt.Sprintf("go version %s %s/%s", runtime.Version(), runtime.GOOS, runtime.GOARCH),
BuildDeps: depsFromBuildInfo(),
CosmosSdkVersion: sdkVersion,
}
}
func (vi Info) String() string {
return fmt.Sprintf(`%s: %s
git commit: %s
build tags: %s
%s`,
vi.Name, vi.Version, vi.GitCommit, vi.BuildTags, vi.GoVersion,
)
}
func depsFromBuildInfo() (deps []buildDep) {
buildInfo, ok := debug.ReadBuildInfo()
if !ok {
return nil
}
for _, dep := range buildInfo.Deps {
deps = append(deps, buildDep{dep})
}
return
}
type buildDep struct {
*debug.Module
}
func (d buildDep) String() string {
if d.Replace != nil {
return fmt.Sprintf("%s@%s => %s@%s", d.Path, d.Version, d.Replace.Path, d.Replace.Version)
}
return fmt.Sprintf("%s@%s", d.Path, d.Version)
}
func (d buildDep) MarshalJSON() ([]byte, error) { return json.Marshal(d.String()) }
func (d buildDep) MarshalYAML() (interface{}, error) { return d.String(), nil }