feat: release-branch automation

.github/workflows/go.yml

@@ -30,6 +30,21 @@ jobs:
         run: |
           go test -short $(go list ./... | grep -Pv "${FLAKY_REGEX}");
 
+  go_test_tooling:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./libevm/tooling
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # everything
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: "./libevm/tooling/go.mod"
+      - run: go test ./...
+
   go_generate:
     env:
       EXCLUDE_REGEX: "ava-labs/libevm/(accounts/usbwallet/trezor)$"
@@ -47,13 +62,27 @@ jobs:
       - name: git diff
         run: git diff --exit-code
 
-  go_tidy:
+  go_tidy_matrix:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        dir: ["./", "./libevm/tooling"]
+    defaults:
+      run:
+        working-directory: ${{ matrix.dir }}
     steps:
       - uses: actions/checkout@v4
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: "go.mod"
+          go-version-file: "${{ matrix.dir }}/go.mod"
       - run: go mod tidy
       - run: git diff --exit-code
+
+  go_tidy:
+    # Each matrix instance runs as a different name, which doesn't play nicely
+    # with branch-protection rules. We instead require this job.
+    needs: go_tidy_matrix
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "I'm a no-op"

.github/workflows/shellcheck.yml

@@ -0,0 +1,22 @@
+name: shellcheck
+
+on:
+  push:
+    branches: [main, "release/**"]
+  pull_request:
+    branches: [main, "release/**"]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  shellcheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run ShellCheck
+        uses: ludeeus/[email protected]
+        with:
+          scandir: './libevm'

libevm/tooling/go.mod

@@ -0,0 +1,37 @@
+module github.com/ava-labs/libevm/libevm/tooling
+
+go 1.23
+
+require (
+	github.com/go-git/go-git/v5 v5.13.2
+	github.com/google/go-cmp v0.6.0
+	github.com/stretchr/testify v1.10.0
+)
+
+require (
+	dario.cat/mergo v1.0.0 // indirect
+	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/ProtonMail/go-crypto v1.1.5 // indirect
+	github.com/cloudflare/circl v1.3.7 // indirect
+	github.com/cyphar/filepath-securejoin v0.3.6 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
+	github.com/go-git/go-billy/v5 v5.6.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/pjbgf/sha1cd v0.3.2 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
+	github.com/skeema/knownhosts v1.3.0 // indirect
+	github.com/xanzy/ssh-agent v0.3.3 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
+	golang.org/x/mod v0.17.0 // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
+	gopkg.in/warnings.v0 v0.1.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

libevm/tooling/go.sum

@@ -0,0 +1,108 @@
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+dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
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+github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
+github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
+github.com/ProtonMail/go-crypto v1.1.5 h1:eoAQfK2dwL+tFSFpr7TbOaPNUbPiJj4fLYwwGE1FQO4=
+github.com/ProtonMail/go-crypto v1.1.5/go.mod h1:rA3QumHc/FZ8pAHreoekgiAbzpNsfQAosU5td4SnOrE=
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+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

libevm/tooling/release/cherrypick.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+#  Copyright 2025 the libevm authors.
+#
+#  The libevm additions to go-ethereum are free software: you can redistribute
+#  them and/or modify them under the terms of the GNU Lesser General Public License
+#  as published by the Free Software Foundation, either version 3 of the License,
+#  or (at your option) any later version.
+#
+#  The libevm additions are distributed in the hope that they will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public License
+#  along with the go-ethereum library. If not, see
+#  <http://www.gnu.org/licenses/>.
+
+# Usage: run `./cherrypick.sh` on a branch intended to become a release.
+#
+# Reads the contents of ./cherrypicks, filters out commits that are already
+# ancestors of HEAD, and calls `git cherry-pick` with the remaining commit
+# hashes.
+
+set -eu;
+set -o pipefail;
+
+SELF_DIR=$(dirname "${0}")
+# The format of the `cherrypicks` file is guaranteed by a test so we can use simple parsing here.
+CHERRY_PICKS=$(< "${SELF_DIR}/cherrypicks" grep -Pv "^#" | awk '{print $1}')
+
+commits=()
+for commit in ${CHERRY_PICKS}; do
+    git merge-base --is-ancestor "${commit}" HEAD && \
+        echo "Skipping ${commit} already in history" && \
+        continue;
+
+    echo "Cherry-picking ${commit}";
+    commits+=("${commit}");
+done
+
+if [[ -z "${commits[*]// }" ]]; then # $x// removes whitespace
+    echo "No commits to cherry-pick";
+    exit 0;
+fi
+
+git cherry-pick "${commits[@]}";

libevm/tooling/release/cherrypicks

@@ -0,0 +1,15 @@
+# Lines starting with # are ignored as comments.
+# All other lines MUST have the format [<commit> # <first line of commit message>].
+# Commits MUST be in chronological order.
+# A test in release_test.go will enforce this / provide the correct lines to copy and paste.
+#
+# The very first commit is where libevm branched off geth and is included to confirm that it is skipped.
+#
+2bd6bd01d2e8561dd7fc21b631f4a34ac16627a1 # Merge branch 'master' into release/1.13
+99bbbc0277e34fc3a31512a345ba20874ae98e18 # internal/build, rpc: add missing HTTP response body Close() calls (#29223)
+1e9bf2a09ed3d82ac1aa69750a556f3ce127721d # core/state: fix bug in statedb.Copy and remove unnecessary preallocation (#29563)
+69f815f6f5791e0e48160bdad284773d0ffb1ba9 # params: print time value instead of pointer in ConfigCompatError (#29514)
+e4b8058d5a5832cdebdac7da385cf6d829c0d433 # eth/gasprice: add query limit for FeeHistory to defend DDOS attack (#29644)
+34b46a2f756da71595ac84eb7f25441f2a5b6ebb # core/state/snapshot: add a missing lock (#30001)
+159fb1a1db551c544978dc16a5568a4730b4abf3 # crypto: add IsOnCurve check (#31100)
+da71839a270a353bac92e3108e4b74fb0eefec29 # internal/ethapi: fix panic in debug methods (#31157)

libevm/tooling/release/release_test.go

@@ -0,0 +1,113 @@
+// Copyright 2025 the libevm authors.
+//
+// The libevm additions to go-ethereum are free software: you can redistribute
+// them and/or modify them under the terms of the GNU Lesser General Public License
+// as published by the Free Software Foundation, either version 3 of the License,
+// or (at your option) any later version.
+//
+// The libevm additions are distributed in the hope that they will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+// General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see
+// <http://www.gnu.org/licenses/>.
+
+package release
+
+import (
+	"errors"
+	"fmt"
+	"regexp"
+	"sort"
+	"strings"
+	"testing"
+
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/go-git/go-git/v5/plumbing/object"
+	"github.com/google/go-cmp/cmp"
+	"github.com/stretchr/testify/require"
+
+	_ "embed"
+)
+
+var (
+	//go:embed cherrypicks
+	cherryPicks  string
+	lineFormatRE = regexp.MustCompile(`^([a-fA-F0-9]{40}) # (.*)$`)
+)
+
+func TestCherryPicksFormat(t *testing.T) {
+	type parsedLine struct {
+		hash, commitMsg string
+	}
+	var (
+		rawLines []string
+		lines    []parsedLine
+	)
+
+	for i, line := range strings.Split(cherryPicks, "\n") {
+		if line == "" || strings.HasPrefix(line, "#") {
+			continue
+		}
+
+		switch matches := lineFormatRE.FindStringSubmatch(line); len(matches) {
+		case 3:
+			rawLines = append(rawLines, line)
+			lines = append(lines, parsedLine{
+				hash:      matches[1],
+				commitMsg: matches[2],
+			})
+
+		default:
+			t.Errorf("Line %d is improperly formatted: %s", i, line)
+		}
+	}
+	if t.Failed() {
+		t.Fatalf("Required line regexp: %s", lineFormatRE.String())
+	}
+
+	opts := &git.PlainOpenOptions{DetectDotGit: true}
+	repo, err := git.PlainOpenWithOptions("./", opts)
+	require.NoErrorf(t, err, "git.PlainOpenWithOptions(./, %+v", opts)
+
+	fetch := &git.FetchOptions{
+		RemoteURL: "https://github.com/ethereum/go-ethereum.git",
+	}
+	err = repo.Fetch(fetch)
+	if err != nil && !errors.Is(err, git.NoErrAlreadyUpToDate) {
+		t.Fatalf("%T.Fetch(%+v) error %v", repo, fetch, err)
+	}
+
+	commits := make([]struct {
+		obj  *object.Commit
+		line parsedLine
+	}, len(lines))
+
+	for i, line := range lines {
+		obj, err := repo.CommitObject(plumbing.NewHash(line.hash))
+		require.NoErrorf(t, err, "%T.CommitObject(%q)", repo, line.hash)
+
+		commits[i].obj = obj
+		commits[i].line = line
+	}
+	sort.Slice(commits, func(i, j int) bool {
+		ci, cj := commits[i].obj, commits[j].obj
+		return ci.Committer.When.Before(cj.Committer.When)
+	})
+
+	var want []string
+	for _, c := range commits {
+		msg := strings.Split(c.obj.Message, "\n")[0]
+		want = append(
+			want,
+			fmt.Sprintf("%s # %s", c.line.hash, msg),
+		)
+	}
+	if diff := cmp.Diff(want, rawLines); diff != "" {
+		t.Errorf("Commits in `cherrypicks` file out of order or have incorrect commit message(s);\n(-want +got):\n%s", diff)
+		t.Logf("To fix, copy:\n%s", strings.Join(want, "\n"))
+	}
+}