From 092b7c919b0693ce95321c1a497e1e0d8e1ce2af Mon Sep 17 00:00:00 2001
From: Brad Rydzewski <brad.rydzewski@gmail.com>
Date: Sat, 1 Mar 2014 20:46:10 -0700
Subject: [PATCH] added git revision to the binary for debugging purposes

---
 Makefile            | 4 +++-
 cmd/droned/drone.go | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 83898753c..f5d6a87c7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
+SHA := $(shell git rev-parse --short HEAD)
+BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
 
 all: embed build
 
@@ -32,7 +34,7 @@ embed:
 
 build:
 	cd cmd/drone  && go build -o ../../bin/drone
-	cd cmd/droned && go build -o ../../bin/droned
+	cd cmd/droned && go build -ldflags "-X main.version $(SHA)" -o ../../bin/droned
 
 test:
 	go test -v github.com/drone/drone/pkg/build
diff --git a/cmd/droned/drone.go b/cmd/droned/drone.go
index 27f05f7d8..2faea532a 100644
--- a/cmd/droned/drone.go
+++ b/cmd/droned/drone.go
@@ -46,6 +46,9 @@ var (
 	// build will timeout after N milliseconds.
 	// this will default to 500 minutes (6 hours)
 	timeout time.Duration
+
+	// commit sha for the current build.
+	version string
 )
 
 func main() {
@@ -67,6 +70,9 @@ func main() {
 	setupStatic()
 	setupHandlers()
 
+	// debug
+	log.Printf("starting drone version %s on port %s\n", version, port)
+
 	// start webserver using HTTPS or HTTP
 	if sslcert != "" && sslkey != "" {
 		panic(http.ListenAndServeTLS(port, sslcert, sslkey, nil))