Merge branch 'ps/reftable-exclude' into jc/cmake-unit-test-updates

* ps/reftable-exclude:
  refs/reftable: wire up support for exclude patterns
  reftable/reader: make table iterator reseekable
  t/unit-tests: introduce reftable library
  Makefile: stop listing test library objects twice
  builtin/receive-pack: fix exclude patterns when announcing refs
  refs: properly apply exclude patterns to namespaced refs

diff --cc Makefile
index 9cf2be070fa26b1339523ea5b345ddc2a3c64f2b,4039e355b093efbf09ef8d3646f7bf8befd8aa69..7344a7f7257af6df6620929567a99bf007fd703e
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -2724,7 -2716,7 +2725,8 @@@ OBJECTS += $(XDIFF_OBJS
  OBJECTS += $(FUZZ_OBJS)
  OBJECTS += $(REFTABLE_OBJS) $(REFTABLE_TEST_OBJS)
  OBJECTS += $(UNIT_TEST_OBJS)
 +OBJECTS += $(CLAR_TEST_OBJS)
+ OBJECTS += $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TEST_PROGRAMS))
  
  ifndef NO_CURL
        OBJECTS += http.o http-walker.o remote-curl.o