checkout: use --aggressive when running a 3-way merge (-m).

diff --git a/Makefile b/Makefile
index 52395268610cb40bbf2fbbf1ad8580ef3a2a8029..3972d10886f649eea298191f24a76591de4a705c 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -28,8 +28,8 @@ all:
 #
 # Define NO_SETENV if you don't have setenv in the C library.
 #
-# Define USE_SYMLINK_HEAD if you want .git/HEAD to be a symbolic link.
-# Don't enable it on Windows.
+# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
+# Enable it on Windows.  By default, symrefs are still used.
 #
 # Define PPC_SHA1 environment variable when running make to make use of
 # a bundled SHA1 routine optimized for PowerPC.
@@ -196,12 +196,12 @@ LIB_H = \
        blob.h cache.h commit.h csum-file.h delta.h \
        diff.h object.h pack.h pkt-line.h quote.h refs.h \
        run-command.h strbuf.h tag.h tree.h git-compat-util.h revision.h \
-       tree-walk.h
+       tree-walk.h log-tree.h
 
 DIFF_OBJS = \
        diff.o diffcore-break.o diffcore-order.o \
        diffcore-pickaxe.o diffcore-rename.o tree-diff.o combine-diff.o \
-       diffcore-delta.o
+       diffcore-delta.o log-tree.o
 
 LIB_OBJS = \
        blob.o commit.o connect.o csum-file.o \
@@ -248,6 +248,10 @@ ifeq ($(uname_S),SunOS)
                NO_UNSETENV = YesPlease
                NO_SETENV = YesPlease
        endif
+       ifeq ($(uname_R),5.9)
+               NO_UNSETENV = YesPlease
+               NO_SETENV = YesPlease
+       endif
        INSTALL = ginstall
        TAR = gtar
        ALL_CFLAGS += -D__EXTENSIONS__
@@ -256,6 +260,7 @@ ifeq ($(uname_O),Cygwin)
        NO_D_TYPE_IN_DIRENT = YesPlease
        NO_D_INO_IN_DIRENT = YesPlease
        NO_STRCASESTR = YesPlease
+       NO_SYMLINK_HEAD = YesPlease
        NEEDS_LIBICONV = YesPlease
        # There are conflicting reports about this.
        # On some boxes NO_MMAP is needed, and not so elsewhere.
@@ -379,6 +384,9 @@ endif
 ifdef NO_D_INO_IN_DIRENT
        ALL_CFLAGS += -DNO_D_INO_IN_DIRENT
 endif
+ifdef NO_SYMLINK_HEAD
+       ALL_CFLAGS += -DNO_SYMLINK_HEAD
+endif
 ifdef NO_STRCASESTR
        COMPAT_CFLAGS += -DNO_STRCASESTR
        COMPAT_OBJS += compat/strcasestr.o
@@ -450,7 +458,7 @@ LIB_OBJS += $(COMPAT_OBJS)
 export prefix TAR INSTALL DESTDIR SHELL_PATH template_dir
 ### Build rules
 
-all: $(ALL_PROGRAMS) git$X $(BUILT_INS) gitk
+all: $(ALL_PROGRAMS) $(BUILT_INS) git$X gitk
 
 all:
        $(MAKE) -C templates
@@ -617,6 +625,7 @@ install: all
        $(MAKE) -C templates install
        $(INSTALL) -d -m755 '$(DESTDIR_SQ)$(GIT_PYTHON_DIR_SQ)'
        $(INSTALL) $(PYMODULES) '$(DESTDIR_SQ)$(GIT_PYTHON_DIR_SQ)'
+       $(foreach p,$(BUILT_INS), rm -f '$(DESTDIR_SQ)$(bindir_SQ)/$p' && ln '$(DESTDIR_SQ)$(bindir_SQ)/git$X' '$(DESTDIR_SQ)$(bindir_SQ)/$p' ;)
 
 install-doc:
        $(MAKE) -C Documentation install
@@ -647,8 +656,8 @@ rpm: dist
 
 clean:
        rm -f *.o mozilla-sha1/*.o arm/*.o ppc/*.o compat/*.o xdiff/*.o \
-               $(LIB_FILE) $(XDIFF_LIB) $(BUILT_INS)
-       rm -f $(ALL_PROGRAMS) git$X
+               $(LIB_FILE) $(XDIFF_LIB)
+       rm -f $(ALL_PROGRAMS) $(BUILT_INS) git$X
        rm -f *.spec *.pyc *.pyo */*.pyc */*.pyo common-cmds.h TAGS tags
        rm -rf $(GIT_TARNAME)
        rm -f $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
@@ -660,3 +669,22 @@ clean:
 .PHONY: all install clean strip
 .PHONY: .FORCE-GIT-VERSION-FILE TAGS tags
 
+### Check documentation
+#
+check-docs::
+       @for v in $(ALL_PROGRAMS) $(BUILT_INS) git$X gitk; \
+       do \
+               case "$$v" in \
+               git-merge-octopus | git-merge-ours | git-merge-recursive | \
+               git-merge-resolve | git-merge-stupid | \
+               git-ssh-pull | git-ssh-push ) continue ;; \
+               esac ; \
+               test -f "Documentation/$$v.txt" || \
+               echo "no doc: $$v"; \
+               grep -q "^gitlink:$$v\[[0-9]\]::" Documentation/git.txt || \
+               case "$$v" in \
+               git) ;; \
+               *) echo "no link: $$v";; \
+               esac ; \
+       done | sort
+