Merge branch 'mw/alternates'

diff --git a/Makefile b/Makefile
index 6b10eaa41321b530b95acf9f3633c765062b6297..37fbe789d34e03fac4cc11de4f1eefb5f480d893 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.
@@ -115,13 +115,13 @@ SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
 SCRIPT_SH = \
        git-add.sh git-bisect.sh git-branch.sh git-checkout.sh \
        git-cherry.sh git-clean.sh git-clone.sh git-commit.sh \
-       git-count-objects.sh git-diff.sh git-fetch.sh \
-       git-format-patch.sh git-log.sh git-ls-remote.sh \
+       git-fetch.sh \
+       git-format-patch.sh git-ls-remote.sh \
        git-merge-one-file.sh git-parse-remote.sh \
-       git-prune.sh git-pull.sh git-push.sh git-rebase.sh \
+       git-prune.sh git-pull.sh git-rebase.sh \
        git-repack.sh git-request-pull.sh git-reset.sh \
        git-resolve.sh git-revert.sh git-rm.sh git-sh-setup.sh \
-       git-tag.sh git-verify-tag.sh git-whatchanged.sh \
+       git-tag.sh git-verify-tag.sh \
        git-applymbox.sh git-applypatch.sh git-am.sh \
        git-merge.sh git-merge-stupid.sh git-merge-octopus.sh \
        git-merge-resolve.sh git-merge-ours.sh git-grep.sh \
@@ -139,7 +139,7 @@ SCRIPT_PYTHON = \
 SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
          $(patsubst %.perl,%,$(SCRIPT_PERL)) \
          $(patsubst %.py,%,$(SCRIPT_PYTHON)) \
-         git-cherry-pick git-show git-status
+         git-cherry-pick git-status
 
 # The ones that do not have to link with lcrypto, lz nor xdiff.
 SIMPLE_PROGRAMS = \
@@ -167,6 +167,9 @@ PROGRAMS = \
        git-name-rev$X git-pack-redundant$X git-repo-config$X git-var$X \
        git-describe$X git-merge-tree$X git-blame$X git-imap-send$X
 
+BUILT_INS = git-log$X git-whatchanged$X git-show$X \
+       git-count-objects$X git-diff$X git-push$X
+
 # what 'all' will build and 'install' will install, in gitexecdir
 ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)
 
@@ -194,15 +197,15 @@ 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-pathspec.o \
+       diff.o diff-lib.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 \
+       blob.o commit.o connect.o csum-file.o base85.o \
        date.o diff-delta.o entry.o exec_cmd.o ident.o index.o \
        object.o pack-check.o patch-delta.o path.o pkt-line.o \
        quote.o read-cache.o refs.o run-command.o \
@@ -211,6 +214,9 @@ LIB_OBJS = \
        fetch-clone.o revision.o pager.o tree-walk.o xdiff-interface.o \
        $(DIFF_OBJS)
 
+BUILTIN_OBJS = \
+       builtin-log.o builtin-help.o builtin-count.o builtin-diff.o builtin-push.o
+
 GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
 LIBS = $(GITLIBS) -lz
 
@@ -246,6 +252,10 @@ 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__
@@ -254,6 +264,7 @@ 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.
@@ -377,6 +388,9 @@ 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
@@ -448,7 +462,7 @@ LIB_OBJS += $(COMPAT_OBJS)
 export prefix TAR INSTALL DESTDIR SHELL_PATH template_dir
 ### Build rules
 
-all: $(ALL_PROGRAMS) git$X gitk
+all: $(ALL_PROGRAMS) $(BUILT_INS) git$X gitk
 
 all:
        $(MAKE) -C templates
@@ -456,10 +470,15 @@ all:
 strip: $(PROGRAMS) git$X
        $(STRIP) $(STRIP_OPTS) $(PROGRAMS) git$X
 
-git$X: git.c common-cmds.h $(GITLIBS)
+git$X: git.c common-cmds.h $(BUILTIN_OBJS) $(GITLIBS)
        $(CC) -DGIT_VERSION='"$(GIT_VERSION)"' \
                $(ALL_CFLAGS) -o $@ $(filter %.c,$^) \
-               $(ALL_LDFLAGS) $(LIBS)
+               $(BUILTIN_OBJS) $(ALL_LDFLAGS) $(LIBS)
+
+builtin-help.o: common-cmds.h
+
+$(BUILT_INS): git$X
+       rm -f $@ && ln git$X $@
 
 common-cmds.h: Documentation/git-*.txt
        ./generate-cmdlist.sh > $@
@@ -491,9 +510,6 @@ $(patsubst %.py,%,$(SCRIPT_PYTHON)) : % : %.py
 git-cherry-pick: git-revert
        cp $< $@
 
-git-show: git-whatchanged
-       cp $< $@
-
 git-status: git-commit
        cp $< $@
 
@@ -548,25 +564,21 @@ git-http-push$X: revision.o http.o http-push.o $(LIB_FILE)
        $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
                $(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 
-git-rev-list$X: rev-list.o $(LIB_FILE)
-       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
-               $(LIBS) $(OPENSSL_LIBSSL)
-
 init-db.o: init-db.c
        $(CC) -c $(ALL_CFLAGS) \
                -DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir_SQ)"' $*.c
 
-$(LIB_OBJS): $(LIB_H)
+$(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
 $(patsubst git-%$X,%.o,$(PROGRAMS)): $(GITLIBS)
 $(DIFF_OBJS): diffcore.h
 
 $(LIB_FILE): $(LIB_OBJS)
-       $(AR) rcs $@ $(LIB_OBJS)
+       rm -f $@ && $(AR) rcs $@ $(LIB_OBJS)
 
 XDIFF_OBJS=xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o
 
 $(XDIFF_LIB): $(XDIFF_OBJS)
-       $(AR) rcs $@ $(XDIFF_OBJS)
+       rm -f $@ && $(AR) rcs $@ $(XDIFF_OBJS)
 
 
 doc:
@@ -595,7 +607,7 @@ test-date$X: test-date.c date.o ctype.o
        $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) test-date.c date.o ctype.o
 
 test-delta$X: test-delta.c diff-delta.o patch-delta.o
-       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $^ -lz
+       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $^
 
 check:
        for i in *.c; do sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; done
@@ -612,6 +624,7 @@ 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
@@ -643,7 +656,7 @@ rpm: dist
 clean:
        rm -f *.o mozilla-sha1/*.o arm/*.o ppc/*.o compat/*.o xdiff/*.o \
                $(LIB_FILE) $(XDIFF_LIB)
-       rm -f $(ALL_PROGRAMS) git$X
+       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
@@ -655,3 +668,22 @@ 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
+