Allow walking untagged top level fields (#3)

Author: vearutop

.github/workflows/bench.yml

@@ -1,19 +1,26 @@
+# This script is provided by github.com/bool64/dev.
 name: bench
 on:
-  push:
-    tags:
-      - v*
-    branches:
-      - master
-      - main
   pull_request:
+  workflow_dispatch:
+    inputs:
+      old:
+        description: 'Old Ref'
+        required: false
+        default: 'master'
+      new:
+        description: 'New Ref'
+        required: true
+
 env:
   GO111MODULE: "on"
+  CACHE_BENCHMARK: "off"    # Enables benchmark result reuse between runs, may skew latency results.
+  RUN_BASE_BENCHMARK: "on"  # Runs benchmark for PR base in case benchmark result is missing.
 jobs:
   bench:
     strategy:
       matrix:
-        go-version: [ 1.15.x ]
+        go-version: [ 1.17.x ]
     runs-on: ubuntu-latest
     steps:
       - name: Install Go
@@ -22,33 +29,57 @@ jobs:
           go-version: ${{ matrix.go-version }}
       - name: Checkout code
         uses: actions/checkout@v2
-      - name: Restore vendor
+        with:
+          ref: ${{ (github.event.inputs.new != '') && github.event.inputs.new || github.event.ref }}
+      - name: Go cache
         uses: actions/cache@v2
         with:
+          # In order:
+          # * Module download cache
+          # * Build cache (Linux)
           path: |
-            vendor
-          key: ${{ runner.os }}-go${{ matrix.go-version }}-vendor-${{ hashFiles('**/go.mod') }}
-      - name: Populate dependencies
-        run: |
-          (test -d vendor && echo vendor found) || (go mod vendor && du -sh vendor && du -sh ~/go/pkg/mod)
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: ${{ runner.os }}-go-cache-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-cache
       - name: Restore benchstat
         uses: actions/cache@v2
         with:
           path: ~/go/bin/benchstat
           key: ${{ runner.os }}-benchstat
       - name: Restore base benchmark result
+        if: env.CACHE_BENCHMARK == 'on'
+        id: benchmark-base
         uses: actions/cache@v2
         with:
           path: |
             bench-master.txt
             bench-main.txt
           # Use base sha for PR or new commit hash for master/main push in benchmark result key.
           key: ${{ runner.os }}-bench-${{ (github.event.pull_request.base.sha != github.event.after) && github.event.pull_request.base.sha || github.event.after }}
+      - name: Checkout base code
+        if: env.RUN_BASE_BENCHMARK == 'on' && steps.benchmark-base.outputs.cache-hit != 'true' && (github.event.pull_request.base.sha != '' || github.event.inputs.old != '')
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ (github.event.pull_request.base.sha != '' ) && github.event.pull_request.base.sha || github.event.inputs.old }}
+          path: __base
+      - name: Run base benchmark
+        if: env.RUN_BASE_BENCHMARK == 'on' && steps.benchmark-base.outputs.cache-hit != 'true' && (github.event.pull_request.base.sha != '' || github.event.inputs.old != '')
+        run: |
+          export REF_NAME=master
+          cd __base
+          make | grep bench-run && (BENCH_COUNT=5 make bench-run bench-stat && cp bench-master.txt ../bench-master.txt) || echo "No benchmarks in base"
       - name: Benchmark
         id: bench
         run: |
-          export REF_NAME=${GITHUB_REF##*/}
-          BENCH_COUNT=5 make bench-run bench-stat
+          export REF_NAME=new
+          BENCH_COUNT=5 make bench
+          OUTPUT=$(make bench-stat-diff)
+          OUTPUT="${OUTPUT//'%'/'%25'}"
+          OUTPUT="${OUTPUT//$'\n'/'%0A'}"
+          OUTPUT="${OUTPUT//$'\r'/'%0D'}"
+          echo "::set-output name=diff::$OUTPUT"
           OUTPUT=$(make bench-stat)
           OUTPUT="${OUTPUT//'%'/'%25'}"
           OUTPUT="${OUTPUT//$'\n'/'%0A'}"
@@ -63,6 +94,13 @@ jobs:
             ### Benchmark Result
             <details><summary>Benchmark diff with base branch</summary>
 
+            ```
+            ${{ steps.bench.outputs.diff }}
+            ```
+            </details>
+
+            <details><summary>Benchmark result</summary>
+
             ```
             ${{ steps.bench.outputs.result }}
             ```

.github/workflows/cloc.yml

@@ -0,0 +1,36 @@
+# This script is provided by github.com/bool64/dev.
+name: cloc
+on:
+  pull_request:
+jobs:
+  cloc:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          path: pr
+      - name: Checkout base code
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.pull_request.base.sha }}
+          path: base
+      - name: Count Lines Of Code
+        id: loc
+        run: |
+          curl -OL https://github.com/vearutop/sccdiff/releases/download/v1.0.1/linux_amd64.tar.gz && tar xf linux_amd64.tar.gz
+          OUTPUT=$(cd pr && ../sccdiff -basedir ../base)
+          OUTPUT="${OUTPUT//'%'/'%25'}"
+          OUTPUT="${OUTPUT//$'\n'/'%0A'}"
+          OUTPUT="${OUTPUT//$'\r'/'%0D'}"
+          echo "::set-output name=diff::$OUTPUT"
+
+      - name: Comment Code Lines
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          header: LOC
+          message: |
+            ### Lines Of Code
+
+            ${{ steps.loc.outputs.diff }}

.github/workflows/golangci-lint.yml

@@ -1,3 +1,4 @@
+# This script is provided by github.com/bool64/dev.
 name: lint
 on:
   push:
@@ -14,16 +15,25 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2.3.0
+        uses: golangci/golangci-lint-action@v2.5.2
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.36.0
+          version: v1.41.1
+
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
 
           # Optional: golangci-lint command line arguments.
-          # args: ./the-only-dir-to-analyze/...
+          # args: --issues-exit-code=0
+
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true
+
+          # Optional: if set to true then the action will use pre-installed Go.
+          # skip-go-installation: true
+
+          # Optional: if set to true then the action don't cache or restore ~/go/pkg.
+          # skip-pkg-cache: true
 
-          # Required: the token is used for fetching a list of releases of golangci-lint.
-          # The secret `GITHUB_TOKEN` is automatically created by GitHub,
-          # no need to create it manually.
-          # https://help.github.com/en/actions/configuring-and-managing-workflows/authenticating-with-the-github_token#about-the-github_token-secret
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          # Optional: if set to true then the action don't cache or restore ~/.cache/go-build.
+          # skip-build-cache: true

.github/workflows/gorelease.yml

@@ -0,0 +1,45 @@
+# This script is provided by github.com/bool64/dev.
+name: gorelease
+on:
+  pull_request:
+env:
+  GO111MODULE: "on"
+jobs:
+  gorelease:
+    strategy:
+      matrix:
+        go-version: [ 1.17.x ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Gorelease cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/go/bin/gorelease
+          key: ${{ runner.os }}-gorelease
+      - name: Gorelease
+        id: gorelease
+        run: |
+          test -e ~/go/bin/gorelease || go install golang.org/x/exp/cmd/gorelease@latest
+          OUTPUT=$(gorelease || exit 0)
+          OUTPUT="${OUTPUT//'%'/'%25'}"
+          OUTPUT="${OUTPUT//$'\n'/'%0A'}"
+          OUTPUT="${OUTPUT//$'\r'/'%0D'}"
+          echo "::set-output name=report::$OUTPUT"
+      - name: Comment Report
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          header: gorelease
+          message: |
+            ### API Changes
+
+            <pre>
+            ${{ steps.gorelease.outputs.report }}
+            </pre>

.github/workflows/test-unit.yml

@@ -1,3 +1,4 @@
+# This script is provided by github.com/bool64/dev.
 name: test-unit
 on:
   push:
@@ -7,11 +8,12 @@ on:
   pull_request:
 env:
   GO111MODULE: "on"
+  RUN_BASE_COVERAGE: "on"  # Runs test for PR base in case base test coverage is missing.
 jobs:
   test:
     strategy:
       matrix:
-        go-version: [ 1.13.x, 1.14.x, 1.15.x ]
+        go-version: [ 1.13.x, 1.14.x, 1.15.x, 1.16.x, 1.17.x ]
     runs-on: ubuntu-latest
     steps:
       - name: Install Go
@@ -20,22 +22,37 @@ jobs:
           go-version: ${{ matrix.go-version }}
       - name: Checkout code
         uses: actions/checkout@v2
+      - name: Go cache
+        uses: actions/cache@v2
+        with:
+          # In order:
+          # * Module download cache
+          # * Build cache (Linux)
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+          key: ${{ runner.os }}-go-cache-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-cache
       - name: Restore base test coverage
+        if: matrix.go-version == '1.17.x'
         uses: actions/cache@v2
         with:
           path: |
             unit-base.txt
           # Use base sha for PR or new commit hash for master/main push in test result key.
           key: ${{ runner.os }}-unit-test-coverage-${{ (github.event.pull_request.base.sha != github.event.after) && github.event.pull_request.base.sha || github.event.after }}
-      - name: Restore vendor
-        uses: actions/cache@v2
+      - name: Checkout base code
+        if: matrix.go-version == '1.17.x' && env.RUN_BASE_COVERAGE == 'on' && steps.benchmark-base.outputs.cache-hit != 'true' && github.event.pull_request.base.sha != ''
+        uses: actions/checkout@v2
         with:
-          path: |
-            vendor
-          key: ${{ runner.os }}-go${{ matrix.go-version }}-vendor-${{ hashFiles('**/go.mod') }}
-      - name: Populate dependencies
+          ref: ${{ github.event.pull_request.base.sha }}
+          path: __base
+      - name: Run test for base code
+        if: matrix.go-version == '1.17.x' && env.RUN_BASE_COVERAGE == 'on' && steps.benchmark-base.outputs.cache-hit != 'true' && github.event.pull_request.base.sha != ''
         run: |
-          (test -d vendor && echo vendor found) || (go mod vendor && du -sh vendor && du -sh ~/go/pkg/mod)
+          cd __base
+          make | grep test-unit && (make test-unit && go tool cover -func=./unit.coverprofile | sed -e 's/.go:[0-9]*:\t/.go\t/g' | sed -e 's/\t\t*/\t/g'  > ../unit-base.txt) || echo "No test-unit in base"
       - name: Test
         id: test
         run: |
@@ -52,7 +69,7 @@ jobs:
         if: ${{ github.ref == 'refs/heads/master' || github.ref == 'refs/heads/main' }}
         run: cp unit.txt unit-base.txt
       - name: Comment Test Coverage
-        if: matrix.go-version == '1.15.x'
+        if: matrix.go-version == '1.17.x'
         uses: marocchino/sticky-pull-request-comment@v2
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -68,7 +85,7 @@ jobs:
             </details>
 
       - name: Upload code coverage
-        if: matrix.go-version == '1.15.x'
+        if: matrix.go-version == '1.17.x'
         uses: codecov/codecov-action@v1
         with:
           file: ./unit.coverprofile

.gitignore

@@ -1,3 +1,5 @@
 /.idea
-unit.coverprofile
-/bench-*.txt
+/*.coverprofile
+/.vscode
+/bench-*.txt
+/vendor

.golangci.yml

@@ -0,0 +1,51 @@
+# See https://github.com/golangci/golangci-lint/blob/master/.golangci.example.yml
+run:
+  tests: true
+
+linters-settings:
+  errcheck:
+    check-type-assertions: true
+    check-blank: true
+  gocyclo:
+    min-complexity: 20
+  dupl:
+    threshold: 100
+  misspell:
+    locale: US
+  unused:
+    check-exported: false
+  unparam:
+    check-exported: true
+  cyclop:
+    max-complexity: 12
+
+linters:
+  enable-all: true
+  disable:
+    - tagliatelle
+    - lll
+    - maligned
+    - gochecknoglobals
+    - gomnd
+    - wrapcheck
+    - paralleltest
+    - forbidigo
+    - exhaustivestruct
+    - interfacer # deprecated
+    - forcetypeassert
+    - scopelint # deprecated
+    - ifshort # too many false positives
+    - golint # deprecated
+
+issues:
+  exclude-use-default: false
+  exclude-rules:
+    - linters:
+        - gomnd
+        - goconst
+        - goerr113
+        - noctx
+        - funlen
+        - dupl
+      path: "_test.go"
+