New job that checks that pkged.go is up to date

kak-tus · Aug 7, 2020 · 0ff9396 · 0ff9396
1 parent 49e10b1
commit 0ff9396
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Showing 3 changed files with 78 additions and 37 deletions.
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
@@ -2,46 +2,72 @@ name: Go
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
 jobs:
+  pkger:
+    name: pkger
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go 1.14
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.14
+        id: go
+
+      - name: Install pkger
+        run: go get github.com/markbates/pkger/cmd/pkger
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: check generated files
+        run: |
+          export PATH=$PATH:$(go env GOPATH)/bin
+          sum_before=$(go run ./cmd/nan/ -checksum)
+          go generate
+          sum_after=$(go run ./cmd/nan/ -checksum)
+          echo "$sum_before"
+          echo "$sum_after"
+          if [ "$sum_before" != "$sum_after" ] ; then
+            exit 2
+          fi
 
   coverage:
     name: Coverage
     runs-on: ubuntu-latest
     steps:
+      - name: Set up Go 1.14
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.14
+        id: go
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Get dependencies
+        run: |
+          go get -v -t -d ./...
+          if [ -f Gopkg.toml ]; then
+              curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+              dep ensure
+          fi
+
+      - name: Calc coverage
+        run: |
+          go test -v -covermode=count -coverprofile=coverage.out .
 
-    - name: Set up Go 1.14
-      uses: actions/setup-go@v1
-      with:
-        go-version: 1.14
-      id: go
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
-
-    - name: Get dependencies
-      run: |
-        go get -v -t -d ./...
-        if [ -f Gopkg.toml ]; then
-            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-            dep ensure
-        fi
-
-    - name: Calc coverage
-      run: |
-        go test -v -covermode=count -coverprofile=coverage.out .
-
-    - name: Convert coverage to lcov
-      uses: jandelgado/gcov2lcov-action@v1.0.0
-      with:
+      - name: Convert coverage to lcov
+        uses: jandelgado/gcov2lcov-action@v1.0.0
+        with:
           infile: coverage.out
           outfile: coverage.lcov
 
-    - name: Coveralls GitHub Action
-      uses: coverallsapp/github-action@v1.0.1
-      with:
-        github-token: ${{ secrets.github_token }}
-        path-to-lcov: coverage.lcov
+      - name: Coveralls GitHub Action
+        uses: coverallsapp/github-action@v1.0.1
+        with:
+          github-token: ${{ secrets.github_token }}
+          path-to-lcov: coverage.lcov
diff --git a/cmd/nan/main.go b/cmd/nan/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"bufio"
+	"crypto/md5"
 	"flag"
 	"fmt"
 	"io"
@@ -14,6 +15,7 @@ import (
 )
 
 func main() {
+	checksum := flag.Bool("checksum", false, "calculates checksum over embedded files. Used in CI")
 	cql := flag.Bool("cql", false, "emit implementation of gocql.Marshaler and gocql.Unmarshaler")
 	easyjson := flag.Bool("easyjson", false, "emit implementation of easyjson.Marshaler and easyjson.Unmarshaler")
 	json := flag.Bool("json", false, "emit implementation of json.Marshaler and json.Unmarshaler")
@@ -31,23 +33,36 @@ func main() {
 	}
 
 	files := []string{pkger.Include("/nan.go"), pkger.Include("/LICENSE")}
-	if *cql {
+	if *cql || *checksum {
 		files = append(files, pkger.Include("/cql.go"))
 		files = append(files, pkger.Include("/cql_helpers.go"))
 	}
-	if *easyjson {
+	if *easyjson || *checksum {
 		files = append(files, pkger.Include("/easyjson.go"))
 	}
-	if *json {
+	if *json || *checksum {
 		files = append(files, pkger.Include("/json.go"))
 	}
-	if *jsoniter {
+	if *jsoniter || *checksum {
 		files = append(files, pkger.Include("/jsoniter.go"))
 	}
-	if *sql {
+	if *sql || *checksum {
 		files = append(files, pkger.Include("/sql.go"))
 		files = append(files, pkger.Include("/sql_convert.go"))
 	}
+	if *checksum {
+		sum := md5.New()
+		for i := range files {
+			in, err := pkger.Open(files[i])
+			if err != nil {
+				panic(err)
+			}
+			io.Copy(sum, in)
+			in.Close()
+		}
+		fmt.Printf("%x\n", sum.Sum(nil))
+		return
+	}
 
 	for i := range files {
 		_, filename := filepath.Split(files[i])