config: write to $XDG_CONFIG_HOME/git/config file when appropriate

diff --git a/Makefile b/Makefile
index 2fa7211055fae82b3a77d66ce728aadf3bb8c1fa..f62ca2aebb28758ea164b65dab7dff19ddd4c3e0 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -247,6 +247,9 @@ all::
 # Define NO_CROSS_DIRECTORY_HARDLINKS if you plan to distribute the installed
 # programs as a tar, where bin/ and libexec/ might be on different file systems.
 #
+# Define NO_INSTALL_HARDLINKS if you prefer to use either symbolic links or
+# copies to install built-in git commands e.g. git-cat-file.
+#
 # Define USE_NED_ALLOCATOR if you want to replace the platforms default
 # memory allocators with the nedmalloc allocator written by Niall Douglas.
 #
@@ -293,6 +296,13 @@ all::
 # the diff algorithm.  It gives a nice speedup if your processor has
 # fast unaligned word loads.  Does NOT work on big-endian systems!
 # Enabled by default on x86_64.
+#
+# Define GIT_USER_AGENT if you want to change how git identifies itself during
+# network interactions.  The default is "git/$(GIT_VERSION)".
+#
+# Define DEFAULT_HELP_FORMAT to "man", "info" or "html"
+# (defaults to "man") if you want to have a different default when
+# "git help" is called without a parameter specifying the format.
 
 GIT-VERSION-FILE: FORCE
        @$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -796,6 +806,7 @@ LIB_OBJS += usage.o
 LIB_OBJS += userdiff.o
 LIB_OBJS += utf8.o
 LIB_OBJS += varint.o
+LIB_OBJS += version.o
 LIB_OBJS += walker.o
 LIB_OBJS += wrapper.o
 LIB_OBJS += write_or_die.o
@@ -901,6 +912,8 @@ BUILTIN_OBJS += builtin/write-tree.o
 GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
 EXTLIBS =
 
+GIT_USER_AGENT = git/$(GIT_VERSION)
+
 #
 # Platform specific tweaks
 #
@@ -1233,6 +1246,7 @@ ifeq ($(uname_S),Windows)
        BLK_SHA1 = YesPlease
        NO_POSIX_GOODIES = UnfortunatelyYes
        NATIVE_CRLF = YesPlease
+       DEFAULT_HELP_FORMAT = html
 
        CC = compat/vcbuild/scripts/clink.pl
        AR = compat/vcbuild/scripts/lib.pl
@@ -1835,6 +1849,10 @@ ifdef ASCIIDOC7
        export ASCIIDOC7
 endif
 
+ifdef NO_INSTALL_HARDLINKS
+       export NO_INSTALL_HARDLINKS
+endif
+
 ### profile feedback build
 #
 
@@ -1908,6 +1926,15 @@ SHELL_PATH_CQ_SQ = $(subst ','\'',$(SHELL_PATH_CQ))
 BASIC_CFLAGS += -DSHELL_PATH='$(SHELL_PATH_CQ_SQ)'
 endif
 
+GIT_USER_AGENT_SQ = $(subst ','\'',$(GIT_USER_AGENT))
+GIT_USER_AGENT_CQ = "$(subst ",\",$(subst \,\\,$(GIT_USER_AGENT)))"
+GIT_USER_AGENT_CQ_SQ = $(subst ','\'',$(GIT_USER_AGENT_CQ))
+BASIC_CFLAGS += -DGIT_USER_AGENT='$(GIT_USER_AGENT_CQ_SQ)'
+
+ifdef DEFAULT_HELP_FORMAT
+BASIC_CFLAGS += -DDEFAULT_HELP_FORMAT='"$(DEFAULT_HELP_FORMAT)"'
+endif
+
 ALL_CFLAGS += $(BASIC_CFLAGS)
 ALL_LDFLAGS += $(BASIC_LDFLAGS)
 
@@ -1955,7 +1982,7 @@ strip: $(PROGRAMS) git$X
        $(STRIP) $(STRIP_OPTS) $(PROGRAMS) git$X
 
 git.o: common-cmds.h
-git.sp git.s git.o: EXTRA_CPPFLAGS = -DGIT_VERSION='"$(GIT_VERSION)"' \
+git.sp git.s git.o: EXTRA_CPPFLAGS = \
        '-DGIT_HTML_PATH="$(htmldir_SQ)"' \
        '-DGIT_MAN_PATH="$(mandir_SQ)"' \
        '-DGIT_INFO_PATH="$(infodir_SQ)"'
@@ -1972,6 +1999,9 @@ builtin/help.sp builtin/help.s builtin/help.o: EXTRA_CPPFLAGS = \
        '-DGIT_MAN_PATH="$(mandir_SQ)"' \
        '-DGIT_INFO_PATH="$(infodir_SQ)"'
 
+version.sp version.s version.o: EXTRA_CPPFLAGS = \
+       '-DGIT_VERSION="$(GIT_VERSION)"'
+
 $(BUILT_INS): git$X
        $(QUIET_BUILT_IN)$(RM) $@ && \
        ln git$X $@ 2>/dev/null || \
@@ -1989,6 +2019,7 @@ sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
     -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
     -e 's|@@DIFF@@|$(DIFF_SQ)|' \
     -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
+    -e 's|@@GIT_USER_AGENT@@|$(GIT_USER_AGENT_SQ)|g' \
     -e 's|@@LOCALEDIR@@|$(localedir_SQ)|g' \
     -e 's/@@NO_CURL@@/$(NO_CURL)/g' \
     -e 's/@@USE_GETTEXT_SCHEME@@/$(USE_GETTEXT_SCHEME)/g' \
@@ -2082,7 +2113,7 @@ configure: configure.ac
        $(RM) $<+
 
 # These can record GIT_VERSION
-git.o git.spec \
+version.o git.spec \
        $(patsubst %.sh,%,$(SCRIPT_SH)) \
        $(patsubst %.perl,%,$(SCRIPT_PERL)) \
        : GIT-VERSION-FILE
@@ -2219,7 +2250,7 @@ builtin/branch.o builtin/checkout.o builtin/clone.o builtin/reset.o branch.o tra
 builtin/bundle.o bundle.o transport.o: bundle.h
 builtin/bisect--helper.o builtin/rev-list.o bisect.o: bisect.h
 builtin/clone.o builtin/fetch-pack.o transport.o: fetch-pack.h
-builtin/grep.o builtin/pack-objects.o transport-helper.o thread-utils.o: thread-utils.h
+builtin/index-pack.o builtin/grep.o builtin/pack-objects.o transport-helper.o thread-utils.o: thread-utils.h
 builtin/send-pack.o transport.o: send-pack.h
 builtin/log.o builtin/shortlog.o: shortlog.h
 builtin/prune.o builtin/reflog.o reachable.o: reachable.h
@@ -2252,9 +2283,6 @@ attr.sp attr.s attr.o: EXTRA_CPPFLAGS = \
 gettext.sp gettext.s gettext.o: EXTRA_CPPFLAGS = \
        -DGIT_LOCALE_PATH='"$(localedir_SQ)"'
 
-http.sp http.s http.o: EXTRA_CPPFLAGS = \
-       -DGIT_HTTP_USER_AGENT='"git/$(GIT_VERSION)"'
-
 ifdef NO_EXPAT
 http-walker.sp http-walker.s http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
 endif
@@ -2574,19 +2602,21 @@ endif
        { test "$$bindir/" = "$$execdir/" || \
          for p in git$X $(filter $(install_bindir_programs),$(ALL_PROGRAMS)); do \
                $(RM) "$$execdir/$$p" && \
-               test -z "$(NO_CROSS_DIRECTORY_HARDLINKS)" && \
+               test -z "$(NO_INSTALL_HARDLINKS)$(NO_CROSS_DIRECTORY_HARDLINKS)" && \
                ln "$$bindir/$$p" "$$execdir/$$p" 2>/dev/null || \
                cp "$$bindir/$$p" "$$execdir/$$p" || exit; \
          done; \
        } && \
        for p in $(filter $(install_bindir_programs),$(BUILT_INS)); do \
                $(RM) "$$bindir/$$p" && \
+               test -z "$(NO_INSTALL_HARDLINKS)" && \
                ln "$$bindir/git$X" "$$bindir/$$p" 2>/dev/null || \
                ln -s "git$X" "$$bindir/$$p" 2>/dev/null || \
                cp "$$bindir/git$X" "$$bindir/$$p" || exit; \
        done && \
        for p in $(BUILT_INS); do \
                $(RM) "$$execdir/$$p" && \
+               test -z "$(NO_INSTALL_HARDLINKS)" && \
                ln "$$execdir/git$X" "$$execdir/$$p" 2>/dev/null || \
                ln -s "git$X" "$$execdir/$$p" 2>/dev/null || \
                cp "$$execdir/git$X" "$$execdir/$$p" || exit; \
@@ -2594,6 +2624,7 @@ endif
        remote_curl_aliases="$(REMOTE_CURL_ALIASES)" && \
        for p in $$remote_curl_aliases; do \
                $(RM) "$$execdir/$$p" && \
+               test -z "$(NO_INSTALL_HARDLINKS)" && \
                ln "$$execdir/git-remote-http$X" "$$execdir/$$p" 2>/dev/null || \
                ln -s "git-remote-http$X" "$$execdir/$$p" 2>/dev/null || \
                cp "$$execdir/git-remote-http$X" "$$execdir/$$p" || exit; \