Add Build version

Main version can be set in config/default_config.yml
Build version need to be set by build command: go build -ldflags "-X
main.buildversion=$(date -u +.%Y%m%d.%H%M%S)"
Or by using package.sh
Or by using the godep command: godep go build -ldflags "-X
main.buildversion=$(date -u +.%Y%m%d.%H%M%S)"

.travis.yml

@@ -1,6 +1,7 @@
 language: go
 go:
 - 1.x
+gobuild_args: -x -ldflags "-X main.buildversion $(date -u +.%Y%m%d.%H%M%S)"
 before_install:
 - sudo apt-get install gcc-mingw-w64 gcc-mingw-w64-i686 gcc-mingw-w64-x86-64 binutils-mingw-w64-i686 binutils-mingw-w64-x86-64
 - go get -u github.com/tools/godep

README.md

@@ -20,7 +20,10 @@ All tested versions of Ubuntu fail to build, use a different OS or docker
 * Install [Golang](https://golang.org/doc/install) (version >=1.8)
 * `go get -u github.com/tools/godep`
 * `go get github.com/NyaaPantsu/nyaa`
+Either use:
 * `godep go build`
+Or use this to have the build version in index.html:
+* `go build -ldflags "-X main.buildversion=$(date -u +.%Y%m%d.%H%M%S)"`
 * Download the DB and place it in your root folder named as "nyaa.db" (You want the merged.sqlite3 database, see the dev IRC for more info)
 * `./nyaa`
 * You can now access your local site over on [localhost:9999](http://localhost:9999)

config/default_config.yml

@@ -3,6 +3,8 @@
 
 # Host of server
 host: localhost
+# Version of the app
+version: "0.9"
 # port of server
 port: 9999
 # database type

config/types.go

@@ -13,6 +13,8 @@ type Config struct {
 	// structure depends on the dialect for each db type
 	DBParams  string `json:"db_params" yaml:"db_params,omitempty"`
 	DBLogMode string `json:"db_logmode" yaml:"db_logmode,omitempty"`
+	Version   string `json:"version" yaml:"version,omitempty"`
+	Build     string `yaml:"-"`
 	// tracker scraper config (required)
 	Scrape ScraperConfig `json:"scraper" yaml:"scraper,flow,omitempty"`
 	// cache config

main.go

@@ -23,6 +23,8 @@ import (
 	"github.com/NyaaPantsu/nyaa/util/signals"
 )
 
+var buildversion string
+
 // RunServer runs webapp mainloop
 func RunServer(conf *config.Config) {
 	// TODO Use config from cli
@@ -112,6 +114,11 @@ func RunMetainfoFetcher(conf *config.Config) {
 
 func main() {
 	conf := config.Conf
+	if buildversion != "" {
+		conf.Build = buildversion
+	} else {
+		conf.Build = "unknown"
+	}
 	processFlags := conf.BindFlags()
 	defaults := flag.Bool("print-defaults", false, "print the default configuration file on stdout")
 	mode := flag.String("mode", "webapp", "which mode to run daemon in, either webapp, scraper or metainfo_fetcher")

package.sh

@@ -15,7 +15,7 @@ for i in "${OSes[@]}"; do
 	cc=${arr[1]}
 	rm -f nyaa nyaa.exe
 	echo -e "\nBuilding $os..."
-	echo GOOS=$os GOARCH=amd64 CC=$cc CGO_ENABLED=1 go build -v
+	echo GOOS=$os GOARCH=amd64 CC=$cc CGO_ENABLED=1 go build -v -ldflags="-X main.buildversion=$(date -u +.%Y%m%d.%H%M%S)"
-	GOOS=$os GOARCH=amd64 CC=$cc CGO_ENABLED=1 go build -v
+	GOOS=$os GOARCH=amd64 CC=$cc CGO_ENABLED=1 go build -v -ldflags="-X main.buildversion=$(date -u +.%Y%m%d.%H%M%S)"
 	zip -9 -r dist/nyaa-${version}_${os}_amd64.zip os public templates service/user/locale *.md nyaa nyaa.exe
 done

router/template_variables.go

@@ -6,6 +6,7 @@ import (
 	"net/url"
 
 	"github.com/NyaaPantsu/nyaa/common"
+	"github.com/NyaaPantsu/nyaa/config"
 	"github.com/NyaaPantsu/nyaa/model"
 	"github.com/NyaaPantsu/nyaa/service/user"
 	userForms "github.com/NyaaPantsu/nyaa/service/user/form"
@@ -106,6 +107,7 @@ type commonTemplateVariables struct {
 	URL        *url.URL   // for parsing URL in templates
 	Route      *mux.Route // for getting current route in templates
 	CsrfField  template.HTML
+	Config     *config.Config
 }
 
 type navigation struct {
@@ -158,5 +160,6 @@ func newCommonVariables(r *http.Request) commonTemplateVariables {
 		URL:        r.URL,
 		Route:      mux.CurrentRoute(r),
 		CsrfField:  csrf.TemplateField(r),
+		Config:     config.Conf,
 	}
 }

templates/index.html

@@ -85,7 +85,7 @@
 							<div class="footer-opt">
 								<p><a href="/settings">{{ call $.T "change_settings" }}</a></p>
 							</div>
-							<span><i>Powered by <a href="#">NyaaPantsu</a></i></span>
+							<span><i>Powered by <a href="#">NyaaPantsu</a> v{{ .Config.Version }}{{ .Config.Build }}</i></span>
 
 						</div>
 			</footer>