Add experimental support for learning svn revision number in git-svn based repositories. Fancy.

svn:r17581

ChangeLog

@@ -15,6 +15,7 @@ Changes in version 0.2.1.9-alpha - 200?-??-??
       automatically stop Tor from starting.  Instead, we retry failed
       dns_inits() every 10 minutes, and change the exit policy to reject *:*
       until one succeeds.  Fixes bug 691.
+    - Detect svn revision properly when we're using git-svn.
 
   o Minor features (controller):
     - New CONSENSUS_ARRIVED event to note when a new consensus has

src/or/Makefile.am

@@ -55,11 +55,18 @@ noinst_HEADERS = or.h eventdns.h eventdns_tor.h micro-revision.i
 tor_main.o: micro-revision.i
 
 micro-revision.i: FORCE
-	@svkdir=$$SVKROOT; \
-	if test "x$$svkdir" = x ; then \
-	  svkdir=$$HOME/.svk; \
-	fi; \
-	if test -d ../../.svn && test -x "`which svn 2>&1;true`" ; then \
+	@svkdir=$$SVKROOT; 					\
+	if test "x$$svkdir" = x ; then 				\
+	  svkdir=$$HOME/.svk; 					\
+	fi; 							\
+	if test -d ../../.git && test -x "`which git 2>&1;true`" ; then \
+	  if test -d ../../.git/svn && test -x "`which git-svn 2>&1;true`" ; then \
+	    git-svn info ../../README | 			\
+	    sed -n 's/^Revision: \([0-9][0-9]*\).*/"\1"/p'      \
+	                                   > micro-revision.tmp \
+	        || true; 					\
+	  fi; 							\
+	elif test -d ../../.svn && test -x "`which svn 2>&1;true`" ; then \
 	  svn info ../.. |					\
 	  sed -n 's/^Revision: \([0-9][0-9]*\).*/"\1"/p' > micro-revision.tmp \
 	     || true;						\