Rewrite in Go

.claude/CLAUDE.md

@@ -0,0 +1 @@
+@../AGENTS.md

.github/dependabot.yml

@@ -1,14 +1,14 @@
 version: 2
 updates:
-  - package-ecosystem: "cargo"
+  - package-ecosystem: "gomod"
     directory: "/"
     schedule:
       interval: "weekly"
       day: "monday"
       time: "11:00"
       timezone: "America/New_York"
     groups:
-      cargo:
+      go-modules:
         patterns:
           - "*"
 

.github/workflows/ci.yml

@@ -10,51 +10,116 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
   cancel-in-progress: true
 
-env:
-  CARGO_TERM_COLOR: always
+permissions:
+  contents: read
 
 jobs:
-  lint:
-    name: Lint
+  quality:
+    name: Code Quality
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v6
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Set up Go
+        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Install golangci-lint
+        uses: golangci/golangci-lint-action@1e7e51e771db61008b38414a730f564565cf7c20 # v9.2.0
         with:
-          components: rustfmt, clippy
-      - uses: Swatinem/rust-cache@v2
-      - run: cargo fmt --all -- --check
-      - run: cargo clippy -- -D warnings
+          version: v2.11.3
+          args: --help
+
+      - name: Quality - formatting
+        run: make fmt-check
+
+      - name: Quality - go vet
+        run: make vet
+
+      - name: Quality - linting
+        run: make lint
+
+      - name: Quality - go tidy
+        run: make tidy-check
 
-  test:
-    name: Test
+      - name: Regressions - CLI surface changes
+        run: make check-surface
+
+      - name: Regressions - AI skill drift
+        run: make check-skill-drift
+
+  unit-tests:
+    name: Unit Tests
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v6
-      - uses: dtolnay/rust-toolchain@stable
-      - uses: Swatinem/rust-cache@v2
-      - run: cargo test
-
-  build:
-    name: Build / ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: ubuntu-latest
-            artifact: vector
-          - os: macos-latest
-            artifact: vector
-          - os: windows-latest
-            artifact: vector.exe
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Set up Go
+        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Tests - go unit tests
+        run: make test
+
+  integration-tests:
+    name: Integration Tests
+    runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v6
-      - uses: dtolnay/rust-toolchain@stable
-      - uses: Swatinem/rust-cache@v2
-      - run: cargo build --release
-      - uses: actions/upload-artifact@v7
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Set up Go
+        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Set up Node.js
+        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
         with:
-          name: vector-${{ matrix.os }}
-          path: target/release/${{ matrix.artifact }}
-          retention-days: 3
+          node-version: '24'
+
+      - name: Install Prism
+        run: npm install -g @stoplight/prism-cli
+
+      - name: Cache BATS
+        id: cache-bats
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        with:
+          path: /usr/local/libexec/bats-core
+          key: bats-1.13.0
+
+      - name: Install BATS
+        if: steps.cache-bats.outputs.cache-hit != 'true'
+        run: |
+          git clone --depth 1 --branch v1.13.0 https://github.com/bats-core/bats-core.git /tmp/bats-core
+          sudo /tmp/bats-core/install.sh /usr/local
+
+      - name: Tests - BATS e2e tests
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: make test-e2e
+
+  security:
+    name: Security
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Set up Go
+        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+        with:
+          go-version-file: 'go.mod'
+
+      - name: Run govulncheck
+        # @latest intentional — pinning delays scanning improvements and
+        # new Go version support for no meaningful reproducibility gain.
+        run: |
+          go install golang.org/x/vuln/cmd/govulncheck@latest
+          govulncheck -tags dev ./...

.github/workflows/release.yml

@@ -6,102 +6,33 @@ on:
       - 'v*'
 
 permissions:
-  actions: write
   contents: write
 
-env:
-  CARGO_TERM_COLOR: always
-
 jobs:
-  build:
-    name: Build / ${{ matrix.target }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - target: x86_64-unknown-linux-gnu
-            os: ubuntu-latest
-            archive: tar.gz
-          - target: aarch64-unknown-linux-gnu
-            os: ubuntu-latest
-            archive: tar.gz
-          - target: x86_64-apple-darwin
-            os: macos-latest
-            archive: tar.gz
-          - target: aarch64-apple-darwin
-            os: macos-latest
-            archive: tar.gz
-          - target: x86_64-pc-windows-msvc
-            os: windows-latest
-            archive: zip
-
-    steps:
-      - uses: actions/checkout@v6
-
-      - name: Install Rust
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: ${{ matrix.target }}
-
-      - name: Install cross-compilation tools
-        if: matrix.target == 'aarch64-unknown-linux-gnu'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y gcc-aarch64-linux-gnu
-
-      - name: Build
-        run: cargo build --release --target ${{ matrix.target }}
-        env:
-          CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: aarch64-linux-gnu-gcc
-
-      - name: Package (Unix)
-        if: matrix.os != 'windows-latest'
-        run: |
-          staging="vector-${{ matrix.target }}"
-          mkdir -p "$staging/man/man1"
-          cp target/${{ matrix.target }}/release/vector "$staging/"
-          cp man/man1/vector.1 "$staging/man/man1/"
-          tar czvf "$staging.tar.gz" -C "$staging" .
-          rm -rf "$staging"
-
-      - name: Package (Windows)
-        if: matrix.os == 'windows-latest'
-        run: |
-          cd target/${{ matrix.target }}/release
-          7z a ../../../vector-${{ matrix.target }}.zip vector.exe
-          cd ../../..
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v7
-        with:
-          name: vector-${{ matrix.target }}
-          path: vector-${{ matrix.target }}.${{ matrix.archive }}
-
   release:
     name: Release
-    needs: build
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
 
-      - name: Download artifacts
-        uses: actions/download-artifact@v8
+      - uses: actions/setup-go@v5
         with:
-          path: artifacts
-          merge-multiple: true
+          go-version-file: go.mod
 
-      - name: Create release
-        uses: softprops/action-gh-release@v2
+      - uses: goreleaser/goreleaser-action@v6
         with:
-          files: artifacts/*
-          generate_release_notes: true
+          args: release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Update homebrew tap
+      - name: Update Homebrew formula
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
         run: |
           gh workflow run bump-formula.yml \
+            -f version="${GITHUB_REF_NAME}" \
             -f formula=vector \
-            -f version=${GITHUB_REF##refs/tags/} \
+            -f type=go \
             -R built-fast/homebrew-devtools
-        env:
-          GH_TOKEN: ${{ secrets.GH_TOKEN }}

.gitignore

@@ -1,5 +1,22 @@
-/target
+# Go build artifacts
+bin/
+dist/
+
+# Go binary artifacts
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Downloaded specs
+e2e/openapi.yaml
+
+# OS / Editor
 .DS_Store
 .envrc
 /.idea
 /.vscode
+
+# AI
+/.claude/settings.local.json

.golangci.yml

@@ -0,0 +1,20 @@
+version: "2"
+
+run:
+  timeout: 3m
+  go: "1.26.1"
+
+linters:
+  # These are enabled by default in v2, listed explicitly for clarity.
+  # Note: gosimple is merged into staticcheck in golangci-lint v2.
+  enable:
+    - govet
+    - errcheck
+    - staticcheck
+    - unused
+    - ineffassign
+  exclusions:
+    rules:
+      - path: _test\.go
+        linters:
+          - errcheck

.goreleaser.yaml

@@ -0,0 +1,47 @@
+version: 2
+
+project_name: vector
+
+builds:
+  - main: ./cmd/vector
+    binary: vector
+    env:
+      - CGO_ENABLED=0
+    ldflags:
+      - -s -w
+      - -X github.com/built-fast/vector-cli/internal/version.Version={{.Version}}
+      - -X github.com/built-fast/vector-cli/internal/version.Commit={{.Commit}}
+      - -X github.com/built-fast/vector-cli/internal/version.Date={{.Date}}
+    goos:
+      - darwin
+      - linux
+      - windows
+    goarch:
+      - amd64
+      - arm64
+    ignore:
+      - goos: windows
+        goarch: arm64
+
+archives:
+  - formats:
+      - tar.gz
+    format_overrides:
+      - goos: windows
+        formats:
+          - zip
+    name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+    files:
+      - src: man/man1/vector.1
+        dst: man/man1/
+
+checksum:
+  name_template: "checksums.txt"
+  algorithm: sha256
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+      - "^ci:"