From 29297758cf79713c477e3c7c04c3a911742f9e93 Mon Sep 17 00:00:00 2001
From: Frank Leon Rose <frankleonrose@users.noreply.github.com>
Date: Tue, 13 Apr 2021 14:13:19 -0400
Subject: [PATCH] Define MOBOT_VERSION = git describe / gcc -dumpmachine

---
 app/src/capture.c | 2 +-
 app/src/main.c    | 2 +-
 mobot.mk          | 4 ++++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/src/capture.c b/app/src/capture.c
index 509d3c6c..5b263a61 100644
--- a/app/src/capture.c
+++ b/app/src/capture.c
@@ -113,7 +113,7 @@ static bool in_frame_to_png(
   LOGV("Scaling image: %llu", get_timestamp() - start);
 
   av_dict_set(&rgbFrame->metadata,
-              "Software", "scrcpy/" SCRCPY_VERSION, 0);
+              "Software", "scrcpy/" MOBOT_VERSION, 0);
 
   AVCodec *outCodec = avcodec_find_encoder(AV_CODEC_ID_PNG);
   if (!outCodec) {
diff --git a/app/src/main.c b/app/src/main.c
index 50505dd8..5be58015 100644
--- a/app/src/main.c
+++ b/app/src/main.c
@@ -15,7 +15,7 @@
 
 static void
 print_version(void) {
-    fprintf(stderr, "scrcpy %s (with Mobot extensions)\n\n", SCRCPY_VERSION);
+    fprintf(stderr, "scrcpy %s\nMobot version %s\n\n", SCRCPY_VERSION, MOBOT_VERSION);
 
     fprintf(stderr, "dependencies:\n");
     fprintf(stderr, " - SDL %d.%d.%d\n", SDL_MAJOR_VERSION, SDL_MINOR_VERSION,
diff --git a/mobot.mk b/mobot.mk
index accc4b8b..9bc714c8 100644
--- a/mobot.mk
+++ b/mobot.mk
@@ -26,6 +26,9 @@ ifeq ($(OS),Darwin)
 					-Wl,-liconv
 endif
 
+GIT_DESCRIBE := $(shell git describe)
+ARCH := $(shell gcc -dumpmachine)
+
 build-ffmpeg:
 	git clone https://github.com/team-mobot/FFmpeg.git build-ffmpeg
 
@@ -49,6 +52,7 @@ $(AVLIBS): build-ffmpeg
 	make install-libs install-headers
 
 build-app: $(AVLIBS)
+	CFLAGS="-DMOBOT_VERSION='\"$(GIT_DESCRIBE)/$(ARCH)\"'" \
 	LDFLAGS="-Wl,-lm -Wl,-lpthread $(MAC_LDFLAGS)" \
 		meson build-app --buildtype release --strip -Db_lto=true \
 		-Dlocal_libav=$(AVDIR) \