Release logging to sentry

app/start.go

@@ -23,6 +23,7 @@ func Start(conf common.Conf, dbO *sql.DB) *gin.Engine {
 
 	if conf.SentryDSN != "" {
 		ravenClient, err := raven.New(conf.SentryDSN)
+		ravenClient.SetRelease(common.Version)
 		if err != nil {
 			fmt.Println(err)
 		} else {

app/v1/meta.go

@@ -78,7 +78,7 @@ func MetaUpdateGET(md common.MethodData) common.CodeMessager {
 		if !execCommand("go", "get", "-v", "-u", "-d") {
 			return
 		}
-		if !execCommand("go", "build", "-v", "-o", "api") {
+		if !execCommand("bash", "-c", "go build -v -ldflags \"-X main.Version=`git rev-parse HEAD`\" -o api") {
 			return
 		}
 

common/conf.go

@@ -6,6 +6,10 @@ import (
 	"github.com/thehowl/conf"
 )
 
+// Version is the git hash of the application. Do not edit. This is
+// automatically set using -ldflags during build time.
+var Version string
+
 // Conf is the configuration file data for the ripple API.
 // Conf uses https://github.com/thehowl/conf
 type Conf struct {

main.go

@@ -17,12 +17,23 @@ import (
 	_ "github.com/go-sql-driver/mysql"
 )
 
+// Version is the git hash of the application. Do not edit. This is
+// automatically set using -ldflags during build time.
+var Version string
+
 func init() {
 	log.SetFlags(log.Ltime)
 	log.SetPrefix(fmt.Sprintf("%d|", syscall.Getpid()))
+	common.Version = Version
 }
 
 func main() {
+	fmt.Print("Ripple API")
+	if Version != "" {
+		fmt.Print("; git commit hash: ", Version)
+	}
+	fmt.Println()
+
 	conf, halt := common.Load()
 	if halt {
 		return