chore(version): Use git tag for version reporting (#51)

* chore: miscellaneous nits

* use correct default chain configs

* add validation and logs around prague1 checks

* fix unit tests

* chore(version): Use git tag for version reporting

* docker + release binaries fix

* redeclare docker args in build stage

.github/workflows/release.yml

@@ -19,7 +19,10 @@ jobs:
 
   linux-intel:
     name: Linux Build (intel)
+    needs: [extract-version]
     runs-on: ubuntu-latest
+    env:
+      VERSION: ${{ needs.extract-version.outputs.VERSION }}
     steps:
     - uses: actions/checkout@v4
 
@@ -36,7 +39,7 @@ jobs:
 
     - name: Build (amd64)
       run: |
-        go run build/ci.go install -static -arch amd64 -dlgo
+        go run build/ci.go install -static -arch amd64 -dlgo -git-tag="${{ env.VERSION }}"
 
     - name: Create archive (amd64)
       run: |
@@ -57,7 +60,10 @@ jobs:
 
   linux-arm:
     name: Linux Build (arm)
+    needs: [extract-version]
     runs-on: ubuntu-latest
+    env:
+      VERSION: ${{ needs.extract-version.outputs.VERSION }}
     steps:
     - uses: actions/checkout@v4
 
@@ -75,7 +81,7 @@ jobs:
 
     - name: Build (arm64)
       run: |
-        go run build/ci.go install -static -dlgo -arch arm64 -cc aarch64-linux-gnu-gcc
+        go run build/ci.go install -static -dlgo -arch arm64 -cc aarch64-linux-gnu-gcc -git-tag="${{ env.VERSION }}"
 
     - name: Create archive (arm64)
       run: |

Dockerfile

@@ -6,6 +6,11 @@ ARG BUILDNUM=""
 # Build Geth in a stock Go builder container
 FROM golang:1.24-alpine AS builder
 
+# These build arguments need to be redeclared in the builder stage
+ARG COMMIT
+ARG VERSION
+ARG BUILDNUM
+
 RUN apk add --no-cache gcc musl-dev linux-headers git
 
 # Get dependencies - will also be cached if we won't change go.mod/go.sum
@@ -14,7 +19,14 @@ COPY go.sum /bera-geth/
 RUN cd /bera-geth && go mod download
 
 ADD . /bera-geth
-RUN cd /bera-geth && go run build/ci.go install -static ./cmd/bera-geth
+# Pass git information to the build process
+# When VERSION is provided (e.g., from CI), use it as the git tag
+RUN cd /bera-geth && \
+    if [ -n "$VERSION" ]; then \
+        go run build/ci.go install -static -git-tag="$VERSION" -git-commit="$COMMIT" ./cmd/bera-geth; \
+    else \
+        go run build/ci.go install -static ./cmd/bera-geth; \
+    fi
 
 # Pull Geth into a second stage deploy alpine container
 FROM alpine:latest

Dockerfile.alltools

@@ -6,6 +6,11 @@ ARG BUILDNUM=""
 # Build Geth in a stock Go builder container
 FROM golang:1.24-alpine AS builder
 
+# These build arguments need to be redeclared in the builder stage
+ARG COMMIT
+ARG VERSION
+ARG BUILDNUM
+
 RUN apk add --no-cache gcc musl-dev linux-headers git
 
 # Get dependencies - will also be cached if we won't change go.mod/go.sum
@@ -19,9 +24,20 @@ ADD . /bera-geth
 # makes it so that under certain circumstances, the docker layer can be cached,
 # and the builder can jump to the next (build all) command, with the go cache fully loaded.
 #
-RUN cd /bera-geth && go run build/ci.go install -static ./cmd/bera-geth
+# Pass git information to the build process when provided
+RUN cd /bera-geth && \
+    if [ -n "$VERSION" ]; then \
+        go run build/ci.go install -static -git-tag="$VERSION" -git-commit="$COMMIT" ./cmd/bera-geth; \
+    else \
+        go run build/ci.go install -static ./cmd/bera-geth; \
+    fi
 
-RUN cd /bera-geth && go run build/ci.go install -static
+RUN cd /bera-geth && \
+    if [ -n "$VERSION" ]; then \
+        go run build/ci.go install -static -git-tag="$VERSION" -git-commit="$COMMIT"; \
+    else \
+        go run build/ci.go install -static; \
+    fi
 
 # Pull all binaries into a second stage deploy alpine container
 FROM alpine:latest

Makefile

@@ -8,11 +8,6 @@ GOBIN = ./build/bin
 GO ?= latest
 GORUN = go run
 
-COMMIT = $(shell git log -1 --format='%H')
-BRANCH = $(shell git rev-parse --abbrev-ref HEAD)
-TAG := $(shell git describe --tags --abbrev=0 --match "v*")
-BUILD_FLAGS := -git-commit=$(COMMIT) -git-branch=$(BRANCH) -git-tag=$(TAG)
-
 #? bera-geth: Build bera-geth.
 bera-geth:
 	$(GORUN) build/ci.go install ./cmd/bera-geth

build/ci.go

@@ -705,9 +705,14 @@ func doDockerBuildx(cmdline []string) {
 		{file: "Dockerfile.alltools", base: fmt.Sprintf("%s:alltools-", *hubImage)},
 	} {
 		gethImage := fmt.Sprintf("%s%s", spec.base, tag)
+		// Prefer tag when present for VERSION
+		dockerVersion := version.WithMeta
+		if env.Tag != "" {
+			dockerVersion = env.Tag
+		}
 		cmd := exec.Command("docker", "buildx", "build",
 			"--build-arg", "COMMIT="+env.Commit,
-			"--build-arg", "VERSION="+version.WithMeta,
+			"--build-arg", "VERSION="+dockerVersion,
 			"--build-arg", "BUILDNUM="+env.Buildnum,
 			"--tag", gethImage,
 			"--platform", *platform,

cmd/bera-geth/config.go

@@ -131,7 +131,13 @@ func defaultNodeConfig() node.Config {
 	git, _ := version.VCS()
 	cfg := node.DefaultConfig
 	cfg.Name = clientIdentifier
-	cfg.Version = version.WithCommit(git.Commit, git.Date)
+	// Prefer git tag for the advertised version (used in web3_clientVersion),
+	// trimming any leading 'v' because NodeName adds the 'v' prefix itself.
+	ver := version.WithMeta
+	if git.Tag != "" {
+		ver = strings.TrimPrefix(git.Tag, "v")
+	}
+	cfg.Version = ver
 	cfg.HTTPModules = append(cfg.HTTPModules, "eth")
 	cfg.WSModules = append(cfg.WSModules, "eth")
 	cfg.IPCPath = clientIdentifier + ".ipc"

eth/backend.go

@@ -24,6 +24,7 @@ import (
 	"math"
 	"math/big"
 	"runtime"
+	"strings"
 	"sync"
 	"time"
 
@@ -357,13 +358,21 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 
 func makeExtraData(extra []byte) []byte {
 	if len(extra) == 0 {
-		// create default extradata in ASCII format similar to reth
-		// Format: "bera-geth/vX.Y.Z/platform"
+		// Create default extradata in ASCII format similar to reth
+		// Desired format examples:
+		// - bera-geth/v1.011602.0-rc5/linux when tag exists
+		// - bera-geth/v<with-meta>/linux as fallback
 		tag := version.WithMeta
 		if vcs, ok := version.VCS(); ok && vcs.Tag != "" {
+			// Use tag as-is here because the desired extradata includes the leading 'v'
 			tag = vcs.Tag
 		}
-		versionStr := fmt.Sprintf("bera-geth/v%s/%s", tag, runtime.GOOS)
+		versionStr := fmt.Sprintf("bera-geth/%s/%s", func() string {
+			if strings.HasPrefix(tag, "v") {
+				return tag
+			}
+			return "v" + tag
+		}(), runtime.GOOS)
 		extra = []byte(versionStr)
 	}
 	if uint64(len(extra)) > params.MaximumExtraDataSize {

internal/flags/helpers.go

@@ -38,7 +38,12 @@ func NewApp(usage string) *cli.App {
 	git, _ := version.VCS()
 	app := cli.NewApp()
 	app.EnableBashCompletion = true
-	app.Version = version.WithCommit(git.Commit, git.Date)
+	// Prefer git tag for the concise CLI version (-v), falling back to commit-based string
+	if git.Tag != "" {
+		app.Version = git.Tag
+	} else {
+		app.Version = version.WithCommit(git.Commit, git.Date)
+	}
 	app.Usage = usage
 	app.Copyright = "Copyright 2013-2025 The go-ethereum Authors"
 	app.Before = func(ctx *cli.Context) error {

internal/version/version.go

@@ -69,9 +69,15 @@ func Archive(tag, gitCommit string) string {
 // conventions in the Ethereum p2p network.
 func ClientName(clientIdentifier string) string {
 	git, _ := VCS()
+	// Compose version for client name: prefer git tag (without leading 'v'),
+	// otherwise fall back to WithCommit (which includes meta/commit/date if needed).
+	ver := WithCommit(git.Commit, git.Date)
+	if git.Tag != "" {
+		ver = strings.TrimPrefix(git.Tag, "v")
+	}
 	return fmt.Sprintf("%s/v%v/%v-%v/%v",
 		strings.Title(clientIdentifier),
-		WithCommit(git.Commit, git.Date),
+		ver,
 		runtime.GOOS, runtime.GOARCH,
 		runtime.Version(),
 	)