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libgocryptfs
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main: refactor BuildInfo code 

Simplify and move it into a new file version.go.
This commit is contained in:
Jakob Unterwurzacher 2022-12-29 14:43:09 +01:00
parent 439dea1b19
commit 99cdaa0b69
3 changed files with 103 additions and 84 deletions
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2
init_dir.go
View File

@ -55,8 +55,6 @@ func isDir(dir string) error {
// In reverse mode, we create .gocryptfs.reverse.conf and the directory does
// not need to be empty.
func initDir(args *argContainer) {
initGIT()
var err error
if args.reverse {
_, err = os.Stat(args.config)

82
main.go
View File

@ -4,12 +4,10 @@
package main
import (
"fmt"
"log"
"os"
"path/filepath"
"runtime"
"runtime/debug"
"strconv"
"strings"
@ -21,67 +19,9 @@ import (
"github.com/rfjakob/gocryptfs/v2/internal/fido2"
"github.com/rfjakob/gocryptfs/v2/internal/readpassword"
"github.com/rfjakob/gocryptfs/v2/internal/speed"
"github.com/rfjakob/gocryptfs/v2/internal/stupidgcm"
"github.com/rfjakob/gocryptfs/v2/internal/tlog"
)
// GitVersion is the gocryptfs version according to git, set by build.bash
var GitVersion = "[GitVersion not set - please compile using ./build.bash]"
// GitVersionFuse is the go-fuse library version, set by build.bash
var GitVersionFuse = "[GitVersionFuse not set - please compile using ./build.bash]"
// BuildDate is a date string like "2017-09-06", set by build.bash
var BuildDate = "0000-00-00"
// raceDetector is set to true by race.go if we are compiled with "go build -race"
var raceDetector bool
func initGIT() {
bi, ok := debug.ReadBuildInfo()
if !ok {
return
}
if strings.HasPrefix(GitVersion, `[`) {
GitVersion = bi.Main.Version
var gitDate string
var gitDirty bool
for _, item := range bi.Settings {
switch item.Key {
case "vcs.revision":
GitVersion = item.Value
case "vcs.time":
gitDate = item.Value
gitDate = strings.Map(func(r rune) rune {
switch {
case r >= '0' && r <= '9':
return r
default:
return -1
}
}, gitDate)
case "vcs.modified":
gitDirty, _ = strconv.ParseBool(item.Value)
}
}
if len(gitDate) > 0 {
GitVersion = gitDate + "-" + GitVersion
}
if gitDirty {
GitVersion = GitVersion + " (dirty)"
}
}
const fuseModule = `github.com/hanwen/go-fuse/v2`
if strings.HasPrefix(GitVersionFuse, `[`) {
for _, item := range bi.Deps {
if item.Path == fuseModule {
GitVersionFuse = item.Version
}
}
}
}
// loadConfig loads the config file `args.config` and decrypts the masterkey,
// or gets via the `-masterkey` or `-zerokey` command line options, if specified.
func loadConfig(args *argContainer) (masterkey []byte, cf *configfile.ConfFile, err error) {
@ -183,28 +123,6 @@ func changePassword(args *argContainer) {
tlog.Info.Printf(tlog.ColorGreen + "Password changed." + tlog.ColorReset)
}
// printVersion prints a version string like this:
// gocryptfs v1.7-32-gcf99cfd; go-fuse v1.0.0-174-g22a9cb9; 2019-05-12 go1.12 linux/amd64
func printVersion() {
initGIT()
var tagsSlice []string
if stupidgcm.BuiltWithoutOpenssl {
tagsSlice = append(tagsSlice, "without_openssl")
}
tags := ""
if tagsSlice != nil {
tags = " " + strings.Join(tagsSlice, " ")
}
built := fmt.Sprintf("%s %s", BuildDate, runtime.Version())
if raceDetector {
built += " -race"
}
fmt.Printf("%s %s%s; go-fuse %s; %s %s/%s\n",
tlog.ProgramName, GitVersion, tags, GitVersionFuse, built,
runtime.GOOS, runtime.GOARCH)
}
func main() {
mxp := runtime.GOMAXPROCS(0)
if mxp < 4 && os.Getenv("GOMAXPROCS") == "" {

103
version.go Normal file
View File

@ -0,0 +1,103 @@
package main
import (
"fmt"
"runtime"
"runtime/debug"
"strconv"
"strings"
"github.com/rfjakob/gocryptfs/v2/internal/stupidgcm"
"github.com/rfjakob/gocryptfs/v2/internal/tlog"
)
const (
gitVersionNotSet = "[GitVersion not set - please compile using ./build.bash]"
gitVersionFuseNotSet = "[GitVersionFuse not set - please compile using ./build.bash]"
buildDateNotSet = "0000-00-00"
)
var (
// GitVersion is the gocryptfs version according to git, set by build.bash
GitVersion = gitVersionNotSet
// GitVersionFuse is the go-fuse library version, set by build.bash
GitVersionFuse = gitVersionFuseNotSet
// BuildDate is a date string like "2017-09-06", set by build.bash
BuildDate = buildDateNotSet
)
func init() {
versionFromBuildInfo()
}
// raceDetector is set to true by race.go if we are compiled with "go build -race"
var raceDetector bool
// printVersion prints a version string like this:
// gocryptfs v1.7-32-gcf99cfd; go-fuse v1.0.0-174-g22a9cb9; 2019-05-12 go1.12 linux/amd64
func printVersion() {
var tagsSlice []string
if stupidgcm.BuiltWithoutOpenssl {
tagsSlice = append(tagsSlice, "without_openssl")
}
tags := ""
if tagsSlice != nil {
tags = " " + strings.Join(tagsSlice, " ")
}
built := fmt.Sprintf("%s %s", BuildDate, runtime.Version())
if raceDetector {
built += " -race"
}
fmt.Printf("%s %s%s; go-fuse %s; %s %s/%s\n",
tlog.ProgramName, GitVersion, tags, GitVersionFuse, built,
runtime.GOOS, runtime.GOARCH)
}
// versionFromBuildInfo tries to get some information out of the information baked in
// by the Go compiler. Does nothing when build.bash was used to build.
func versionFromBuildInfo() {
info, ok := debug.ReadBuildInfo()
if !ok {
tlog.Debug.Println("versionFromBuildInfo: ReadBuildInfo() failed")
return
}
// Parse BuildSettings
var vcsRevision, vcsTime string
var vcsModified bool
for _, s := range info.Settings {
switch s.Key {
case "vcs.revision":
vcsRevision = s.Value
case "vcs.time":
vcsTime = s.Value
case "vcs.modified":
vcsModified, _ = strconv.ParseBool(s.Value)
}
}
// Fill our version strings
if GitVersion == gitVersionNotSet {
GitVersion = info.Main.Version
if GitVersion == "(devel)" && vcsRevision != "" {
GitVersion = fmt.Sprintf("vcs.revision=%s", vcsRevision)
}
if vcsModified {
GitVersion += "-dirty"
}
}
if GitVersionFuse == gitVersionFuseNotSet {
for _, m := range info.Deps {
if m.Path == "github.com/hanwen/go-fuse/v2" {
GitVersionFuse = m.Version
if m.Replace != nil {
GitVersionFuse = m.Replace.Version
}
break
}
}
}
if BuildDate == buildDateNotSet {
if vcsTime != "" {
BuildDate = fmt.Sprintf("vcs.time=%s", vcsTime)
}
}
}