Generate Bindata iff TAGS="bindata" and not up-to-date

.gitignore

@@ -34,8 +34,11 @@ _testmain.go
 coverage.all
 
 /modules/options/bindata.go
+/modules/options/bindata.go.hash
 /modules/public/bindata.go
+/modules/public/bindata.go.hash
 /modules/templates/bindata.go
+/modules/templates/bindata.go.hash
 
 *.db
 *.log

Makefile

@@ -161,7 +161,7 @@ vet:
 
 .PHONY: generate
 generate: fomantic js css
- GO111MODULE=on $(GO) generate -mod=vendor $(PACKAGES)
+ GO111MODULE=on $(GO) generate -mod=vendor -tags '$(TAGS)' $(PACKAGES)
 
 .PHONY: generate-swagger
 generate-swagger:

modules/options/options.go

@@ -4,8 +4,6 @@
 
 package options
 
-//go:generate go run -mod=vendor main.go
-
 type directorySet map[string][]string
 
 func (s directorySet) Add(key string, value []string) {

modules/options/options_bindata.go

@@ -0,0 +1,9 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+//+build bindata
+
+package options
+
+//go:generate go run -mod=vendor ../../scripts/generate-bindata.go ../../options options bindata.go

modules/public/public.go

@@ -18,8 +18,6 @@ import (
  "gitea.com/macaron/macaron"
 )
 
-//go:generate go run -mod=vendor main.go
-
 // Options represents the available options to configure the macaron handler.
 type Options struct {
  Directory string

modules/public/public_bindata.go

@@ -0,0 +1,9 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+//+build bindata
+
+package public
+
+//go:generate go run -mod=vendor ../../scripts/generate-bindata.go ../../public public bindata.go

modules/templates/templates.go → modules/templates/templates_bindata.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a MIT-style
 // license that can be found in the LICENSE file.
 
+//+build bindata
+
 package templates
 
-//go:generate go run -mod=vendor main.go
+//go:generate go run -mod=vendor ../../scripts/generate-bindata.go ../../templates templates bindata.go

scripts/generate-bindata.go

@@ -0,0 +1,77 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+package main
+
+import (
+ "bytes"
+ "fmt"
+ "hash/adler32"
+ "io/ioutil"
+ "log"
+ "net/http"
+ "os"
+ "path/filepath"
+ "strconv"
+
+ "github.com/shurcooL/vfsgen"
+)
+
+func needsUpdate(dir string, filename string) bool {
+ oldHash, err := ioutil.ReadFile(filename + ".hash")
+ if err != nil {
+ oldHash = []byte{}
+ }
+
+ adlerHash := adler32.New()
+
+ err = filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+ if err != nil {
+ return err
+ }
+ _, _ = adlerHash.Write([]byte(info.Name()))
+ _, _ = adlerHash.Write([]byte(info.ModTime().String()))
+ _, _ = adlerHash.Write([]byte(strconv.FormatInt(info.Size(), 16)))
+ return nil
+ })
+ if err != nil {
+ return true
+ }
+
+ newHash := adlerHash.Sum([]byte{})
+
+ if bytes.Compare(oldHash, newHash) != 0 {
+ _ = ioutil.WriteFile(filename+".hash", newHash, 0666)
+ return true
+ }
+
+ return false
+}
+
+func main() {
+ if len(os.Args) < 4 {
+ log.Fatal("Insufficient number of arguments. Need: directory packageName filename")
+ }
+
+ dir, packageName, filename := os.Args[1], os.Args[2], os.Args[3]
+
+ if !needsUpdate(dir, filename) {
+ fmt.Printf("bindata for %s up-to-date refusing to generate\n", packageName)
+ return
+ }
+
+ fmt.Printf("generating bindata for %s\n", packageName)
+ var fsTemplates http.FileSystem = http.Dir(dir)
+ err := vfsgen.Generate(fsTemplates, vfsgen.Options{
+ PackageName: packageName,
+ BuildTags: "bindata",
+ VariableName: "Assets",
+ Filename: filename,
+ })
+ if err != nil {
+ log.Fatalf("%v\n", err)
+ }
+}