From 8d69550aaab3eee400a490de02b1ee81e4955be3 Mon Sep 17 00:00:00 2001
From: Darell Tan <darell.tan@gmail.com>
Date: Tue, 20 Sep 2011 23:38:19 +0800
Subject: Switched to a more manageable version numbering system.

---
 .hgignore       |  1 +
 Makefile        | 10 +++++++++-
 mdns-repeater.c |  2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/.hgignore b/.hgignore
index 90264e6..40452c3 100644
--- a/.hgignore
+++ b/.hgignore
@@ -1,5 +1,6 @@
 syntax: glob
 
 *.o
+_hgversion
 mdns-repeater
  
diff --git a/Makefile b/Makefile
index d49a3bf..8ecc858 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 # Makefile for mdns-repeater
 
-HGVERSION=$(shell hg id -i)
+HGVERSION=$(shell hg parents --template "{latesttag}.{latesttagdistance}")
 
 CFLAGS=-Wall
 
@@ -17,9 +17,17 @@ CFLAGS+= -DHGVERSION="\"${HGVERSION}\""
 
 all: mdns-repeater
 
+mdns-repeater.o: _hgversion
+
 mdns-repeater: mdns-repeater.o
 
+# version checking rules
+.PHONY: dummy
+_hgversion: dummy
+	@echo $(HGVERSION) | cmp -s $@ - || echo $(HGVERSION) > $@
+
 clean:
 	-$(RM) *.o
+	-$(RM) _hgversion
 	-$(RM) mdns-repeater
 
diff --git a/mdns-repeater.c b/mdns-repeater.c
index 71431ca..7922b94 100644
--- a/mdns-repeater.c
+++ b/mdns-repeater.c
@@ -289,7 +289,7 @@ static void daemonize() {
 }
 
 static void show_help(const char *progname) {
-	fprintf(stderr, "mDNS repeater (rev " HGVERSION ")\n");
+	fprintf(stderr, "mDNS repeater (version " HGVERSION ")\n");
 	fprintf(stderr, "usage: %s [ -f ] <ifdev> ...\n", progname);
 	fprintf(stderr, "\n"
 					"<ifdev> specifies an interface like \"eth0\"\n"
-- 
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