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-rw-r--r--cmd/ethereum/flags.go2
-rw-r--r--cmd/ethereum/main.go15
2 files changed, 17 insertions, 0 deletions
diff --git a/cmd/ethereum/flags.go b/cmd/ethereum/flags.go
index 57e5d8b8c..f829744dc 100644
--- a/cmd/ethereum/flags.go
+++ b/cmd/ethereum/flags.go
@@ -64,6 +64,7 @@ var (
ImportChain string
SHH bool
Dial bool
+ PrintVersion bool
)
// flags specific to cli client
@@ -120,6 +121,7 @@ func Init() {
flag.BoolVar(&StartMining, "mine", false, "start dagger mining")
flag.BoolVar(&StartJsConsole, "js", false, "launches javascript console")
+ flag.BoolVar(&PrintVersion, "version", false, "prints version number")
flag.Parse()
diff --git a/cmd/ethereum/main.go b/cmd/ethereum/main.go
index 481914aea..3243cc7fb 100644
--- a/cmd/ethereum/main.go
+++ b/cmd/ethereum/main.go
@@ -52,6 +52,11 @@ func main() {
// precedence: code-internal flag default < config file < environment variables < command line
Init() // parsing command line
+ if PrintVersion {
+ printVersion()
+ return
+ }
+
utils.InitConfig(VmType, ConfigFile, Datadir, "ETH")
ethereum, err := eth.New(&eth.Config{
@@ -137,3 +142,13 @@ func main() {
// this blocks the thread
ethereum.WaitForShutdown()
}
+
+func printVersion() {
+ fmt.Printf(`%v %v
+PV=%d
+GOOS=%s
+GO=%s
+GOPATH=%s
+GOROOT=%s
+`, ClientIdentifier, Version, eth.ProtocolVersion, runtime.GOOS, runtime.Version(), os.Getenv("GOPATH"), runtime.GOROOT())
+}