have db_version return the svn revision number. closes #1502

git-svn-id: file:///svn/toku/tokudb@10193 c7de825b-a66e-492c-adef-691d508d4ae1

src/Makefile

@@ -14,6 +14,10 @@ ydbtrace.o tdbtrace.o: tdbtrace.h
 include $(TOKUROOT)toku_include/Makefile.include
 CPPFLAGS+=-D_GNU_SOURCE -D_THREAD_SAFE
 
+ifneq ($(TOKUDB_REVISION),)
+CPPFLAGS += -DTOKUDB_REVISION=$(TOKUDB_REVISION)
+endif
+
 YDB=ydb.$(AEXT)
 YDB_BUNDLE=ydb.bundle
 TYDB=tydb.$(AEXT)

src/tests/test_db_version.c

@@ -17,7 +17,9 @@ test_main (int argc, const char *argv[]) {
     assert(major==DB_VERSION_MAJOR);
     assert(minor==DB_VERSION_MINOR);
     assert(patch==DB_VERSION_PATCH);
-    if (verbose)
-        printf("%d.%d.%d %s\n", major, minor, patch, v);
+    if (verbose) {
+        printf("%d.%d.%d\n", major, minor, patch);
+        printf("%s\n", v);
+    }
     return 0;
 }

src/ydb.c

@@ -3544,7 +3544,13 @@ const char *db_version(int *major, int *minor, int *patch) {
         *minor = DB_VERSION_MINOR;
     if (patch)
         *patch = DB_VERSION_PATCH;
+#if defined(TOKUDB_REVISION)
+#define xstr(X) str(X)
+#define str(X) #X
+    return "tokudb " xstr(DB_VERSION_MAJOR) "." xstr(DB_VERSION_MINOR) "." xstr(DB_VERSION_PATCH) " build " xstr(TOKUDB_REVISION);
+#else
     return DB_VERSION_STRING;
+#endif
 }
  
 int db_env_set_func_fsync (int (*fsync_function)(int)) {