commit: use generations in paint_down_to_common()

diff --git a/Makefile b/Makefile
index 5bcd83ddf32707f8b98f650fd08d8eac5edf14af..bf91b2dfae1dfb71d607e80808e8d4e491a8ca3c 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -771,6 +771,7 @@ LIB_OBJS += color.o
 LIB_OBJS += column.o
 LIB_OBJS += combine-diff.o
 LIB_OBJS += commit.o
+LIB_OBJS += commit-graph.o
 LIB_OBJS += compat/obstack.o
 LIB_OBJS += compat/terminal.o
 LIB_OBJS += config.o
@@ -946,6 +947,7 @@ BUILTIN_OBJS += builtin/clone.o
 BUILTIN_OBJS += builtin/column.o
 BUILTIN_OBJS += builtin/commit-tree.o
 BUILTIN_OBJS += builtin/commit.o
+BUILTIN_OBJS += builtin/commit-graph.o
 BUILTIN_OBJS += builtin/config.o
 BUILTIN_OBJS += builtin/count-objects.o
 BUILTIN_OBJS += builtin/credential.o
@@ -1513,7 +1515,9 @@ else
        LIB_OBJS += sha1dc_git.o
 ifdef DC_SHA1_EXTERNAL
        ifdef DC_SHA1_SUBMODULE
+               ifneq ($(DC_SHA1_SUBMODULE),auto)
 $(error Only set DC_SHA1_EXTERNAL or DC_SHA1_SUBMODULE, not both)
+               endif
        endif
        BASIC_CFLAGS += -DDC_SHA1_EXTERNAL
        EXTLIBS += -lsha1detectcoll
@@ -2668,6 +2672,21 @@ dist: git-archive$(X) configure
                $(GIT_TARNAME)/configure \
                $(GIT_TARNAME)/version \
                $(GIT_TARNAME)/git-gui/version
+ifdef DC_SHA1_SUBMODULE
+       @mkdir -p $(GIT_TARNAME)/sha1collisiondetection/lib
+       @cp sha1collisiondetection/LICENSE.txt \
+               $(GIT_TARNAME)/sha1collisiondetection/
+       @cp sha1collisiondetection/LICENSE.txt \
+               $(GIT_TARNAME)/sha1collisiondetection/
+       @cp sha1collisiondetection/lib/sha1.[ch] \
+               $(GIT_TARNAME)/sha1collisiondetection/lib/
+       @cp sha1collisiondetection/lib/ubc_check.[ch] \
+               $(GIT_TARNAME)/sha1collisiondetection/lib/
+       $(TAR) rf $(GIT_TARNAME).tar \
+               $(GIT_TARNAME)/sha1collisiondetection/LICENSE.txt \
+               $(GIT_TARNAME)/sha1collisiondetection/lib/sha1.[ch] \
+               $(GIT_TARNAME)/sha1collisiondetection/lib/ubc_check.[ch]
+endif
        @$(RM) -r $(GIT_TARNAME)
        gzip -f -9 $(GIT_TARNAME).tar