chore: add version subcommand (#32)

chore: add to rootcmd

Makefile

@@ -1,5 +1,21 @@
 export GO111MODULE = on
 
+BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
+COMMIT := $(shell git log -1 --format='%H' | cut -c 1-8)
+
+# don't override user values
+ifeq (,$(VERSION))
+ VERSION := $(shell git describe --tags)
+ # if VERSION is empty, then populate it with branch's name and raw commit hash
+ ifeq (,$(VERSION))
+ VERSION := $(BRANCH)-$(COMMIT)
+ endif
+endif
+
+ldflags = -X github.com/dymensionxyz/eibc-client/version.BuildVersion=$(VERSION)
+
+BUILD_FLAGS := -ldflags '$(ldflags)'
+
 ###########
 # Install #
 ###########
@@ -12,11 +28,11 @@ install: build
  mv build/eibc $(GOPATH)/bin/eibc-client
 
 .PHONY: build
-build: go.sum ## Compiles the rollapd binary
+build: go.sum ## Compiles the eibc binary
  @echo "--> Ensure dependencies have not been modified"
  @go mod verify
  @echo "--> building eibc-client"
- @go build -o build/eibc-client ./
+ @go build -o build/eibc-client $(BUILD_FLAGS) ./
 
 ###########
 # Docker #

cmd.go

@@ -12,6 +12,7 @@ import (
  "github.com/spf13/cobra"
  "github.com/spf13/viper"
 
+ "github.com/dymensionxyz/eibc-client/cmd/version"
  "github.com/dymensionxyz/eibc-client/store"
  utils "github.com/dymensionxyz/eibc-client/utils/viper"
 )
@@ -325,6 +326,8 @@ func init() {
  balancesCmd.Flags().BoolP("all", "a", false, "Filter by fulfillment status")
  rootCmd.AddCommand(balancesCmd)
 
+ rootCmd.AddCommand(version.Cmd())
+
  cobra.OnInitialize(initConfig)
 
  rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file")

cmd/version/version.go

@@ -0,0 +1,20 @@
+package version
+
+import (
+ "fmt"
+
+ "github.com/spf13/cobra"
+
+ "github.com/dymensionxyz/eibc-client/version"
+)
+
+func Cmd() *cobra.Command {
+ versionCmd := &cobra.Command{
+ Use: "version",
+ Short: "Print the version of roller",
+ Run: func(cmd *cobra.Command, args []string) {
+ fmt.Println(version.BuildVersion)
+ },
+ }
+ return versionCmd
+}

version/version.go

@@ -0,0 +1,3 @@
+package version
+
+var BuildVersion string