Merge branch 'ra/anno' into next

* ra/anno:
  Add git-annotate, a tool for assigning blame.
  git-svn: 0.9.1: add --version and copyright/license (GPL v2+) information
  contrib/git-svn: add Makefile, test, and associated ignores
  git-svn: fix several corner-case and rare bugs with 'commit'
  contrib/git-svn.txt: add a note about renamed/copied directory support
  git-svn: change ; to && in addremove()
  git-svn: remove any need for the XML::Simple dependency
  git-svn: Allow for more argument types for commit (from..to)
  git-svn: allow --find-copies-harder and -l<num> to be passed on commit
  git-svn: fix a typo in defining the --no-stop-on-copy option

diff --combined Makefile
index e1111f4,86ffcf4..4e654f0
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -55,11 -55,6 +55,11 @@@ all
  #
  # Define NO_ICONV if your libc does not properly support iconv.
  #
 +# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
 +# a missing newline at the end of the file.
 +#
 +# Define NO_PYTHON if you want to loose all benefits of the recursive merge.
 +#
  # Define COLLISION_CHECK below if you believe that SHA1's
  # 1461501637330902918203684832716283019655932542976 hashes do not give you
  # sufficient guarantee that no collisions between objects will ever happen.
@@@ -124,6 -119,7 +124,7 @@@ SCRIPT_SH = 
  SCRIPT_PERL = \
        git-archimport.perl git-cvsimport.perl git-relink.perl \
        git-shortlog.perl git-fmt-merge-msg.perl git-rerere.perl \
+       git-annotate.perl \
        git-svnimport.perl git-mv.perl git-cvsexportcommit.perl
  
  SCRIPT_PYTHON = \
@@@ -136,7 -132,7 +137,7 @@@ SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH
  
  # The ones that do not have to link with lcrypto nor lz.
  SIMPLE_PROGRAMS = \
 -      git-get-tar-commit-id$X git-mailinfo$X git-mailsplit$X \
 +      git-get-tar-commit-id$X git-mailsplit$X \
        git-stripspace$X git-daemon$X
  
  # ... and all the rest that could be moved out of bindir to gitexecdir
@@@ -146,8 -142,8 +147,8 @@@ PROGRAMS = 
        git-convert-objects$X git-diff-files$X \
        git-diff-index$X git-diff-stages$X \
        git-diff-tree$X git-fetch-pack$X git-fsck-objects$X \
 -      git-hash-object$X git-index-pack$X git-init-db$X \
 -      git-local-fetch$X git-ls-files$X git-ls-tree$X git-merge-base$X \
 +      git-hash-object$X git-index-pack$X git-init-db$X git-local-fetch$X \
 +      git-ls-files$X git-ls-tree$X git-mailinfo$X git-merge-base$X \
        git-merge-index$X git-mktag$X git-pack-objects$X git-patch-id$X \
        git-peek-remote$X git-prune-packed$X git-read-tree$X \
        git-receive-pack$X git-rev-list$X git-rev-parse$X \
@@@ -158,7 -154,7 +159,7 @@@
        git-upload-pack$X git-verify-pack$X git-write-tree$X \
        git-update-ref$X git-symbolic-ref$X git-check-ref-format$X \
        git-name-rev$X git-pack-redundant$X git-repo-config$X git-var$X \
 -      git-describe$X
 +      git-describe$X git-merge-tree$X
  
  # what 'all' will build and 'install' will install, in gitexecdir
  ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)
@@@ -204,6 -200,12 +205,6 @@@ LIB_OBJS = 
  LIBS = $(LIB_FILE)
  LIBS += -lz
  
 -# Shell quote;
 -# Result of this needs to be placed inside ''
 -shq = $(subst ','\'',$(1))
 -# This has surrounding ''
 -shellquote = '$(call shq,$(1))'
 -
  #
  # Platform specific tweaks
  #
@@@ -272,16 -274,6 +273,16 @@@ ifeq ($(uname_S),AIX
        NO_STRCASESTR=YesPlease
        NEEDS_LIBICONV=YesPlease
  endif
 +ifeq ($(uname_S),IRIX64)
 +      NO_IPV6=YesPlease
 +      NO_SETENV=YesPlease
 +      NO_STRCASESTR=YesPlease
 +      NO_SOCKADDR_STORAGE=YesPlease
 +      SHELL_PATH=/usr/gnu/bin/bash
 +      ALL_CFLAGS += -DPATH_MAX=1024
 +      # for now, build 32-bit version
 +      ALL_LDFLAGS += -L/usr/lib32
 +endif
  ifneq (,$(findstring arm,$(uname_M)))
        ARM_SHA1 = YesPlease
  endif
@@@ -291,10 -283,8 +292,10 @@@
  ifdef WITH_OWN_SUBPROCESS_PY
        PYMODULES += compat/subprocess.py
  else
 -      ifneq ($(shell $(PYTHON_PATH) -c 'import subprocess;print"OK"' 2>/dev/null),OK)
 -              PYMODULES += compat/subprocess.py
 +      ifeq ($(NO_PYTHON),)
 +              ifneq ($(shell $(PYTHON_PATH) -c 'import subprocess;print"OK"' 2>/dev/null),OK)
 +                      PYMODULES += compat/subprocess.py
 +              endif
        endif
  endif
  
@@@ -414,25 -404,8 +415,25 @@@ els
  endif
  endif
  endif
 +ifdef NO_ACCURATE_DIFF
 +      ALL_CFLAGS += -DNO_ACCURATE_DIFF
 +endif
 +
 +# Shell quote (do not use $(call) to accomodate ancient setups);
 +
 +SHA1_HEADER_SQ = $(subst ','\'',$(SHA1_HEADER))
 +
 +DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 +bindir_SQ = $(subst ','\'',$(bindir))
 +gitexecdir_SQ = $(subst ','\'',$(gitexecdir))
 +template_dir_SQ = $(subst ','\'',$(template_dir))
  
 -ALL_CFLAGS += -DSHA1_HEADER=$(call shellquote,$(SHA1_HEADER)) $(COMPAT_CFLAGS)
 +SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
 +PERL_PATH_SQ = $(subst ','\'',$(PERL_PATH))
 +PYTHON_PATH_SQ = $(subst ','\'',$(PYTHON_PATH))
 +GIT_PYTHON_DIR_SQ = $(subst ','\'',$(GIT_PYTHON_DIR))
 +
 +ALL_CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER_SQ)' $(COMPAT_CFLAGS)
  LIB_OBJS += $(COMPAT_OBJS)
  export prefix TAR INSTALL DESTDIR SHELL_PATH template_dir
  ### Build rules
@@@ -451,24 -424,23 +452,24 @@@ git$X: git.c $(LIB_FILE
  
  $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
        rm -f $@
 -      sed -e '1s|#!.*/sh|#!$(call shq,$(SHELL_PATH))|' \
 +      sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            -e 's/@@NO_CURL@@/$(NO_CURL)/g' \
 +          -e 's/@@NO_PYTHON@@/$(NO_PYTHON)/g' \
            $@.sh >$@
        chmod +x $@
  
  $(patsubst %.perl,%,$(SCRIPT_PERL)) : % : %.perl
        rm -f $@
 -      sed -e '1s|#!.*perl|#!$(call shq,$(PERL_PATH))|' \
 +      sed -e '1s|#!.*perl|#!$(PERL_PATH_SQ)|' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            $@.perl >$@
        chmod +x $@
  
  $(patsubst %.py,%,$(SCRIPT_PYTHON)) : % : %.py
        rm -f $@
 -      sed -e '1s|#!.*python|#!$(call shq,$(PYTHON_PATH))|' \
 -          -e 's|@@GIT_PYTHON_PATH@@|$(call shq,$(GIT_PYTHON_DIR))|g' \
 +      sed -e '1s|#!.*python|#!$(PYTHON_PATH_SQ)|' \
 +          -e 's|@@GIT_PYTHON_PATH@@|$(GIT_PYTHON_DIR_SQ)|g' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            $@.py >$@
        chmod +x $@
@@@ -494,42 -466,32 +495,42 @@@ git$X git.spec 
  %.o: %.S
        $(CC) -o $*.o -c $(ALL_CFLAGS) $<
  
 -exec_cmd.o: ALL_CFLAGS += -DGIT_EXEC_PATH=\"$(gitexecdir)\"
 +exec_cmd.o: exec_cmd.c
 +      $(CC) -o $*.o -c $(ALL_CFLAGS) '-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' $<
  
  git-%$X: %.o $(LIB_FILE)
        $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
  
 -git-mailinfo$X : SIMPLE_LIB += $(LIB_4_ICONV)
  $(SIMPLE_PROGRAMS) : $(LIB_FILE)
  $(SIMPLE_PROGRAMS) : git-%$X : %.o
        $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
                $(LIB_FILE) $(SIMPLE_LIB)
  
 -git-http-fetch$X: fetch.o http.o
 -git-http-push$X: http.o
 +git-mailinfo$X: mailinfo.o $(LIB_FILE)
 +      $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 +              $(LIB_FILE) $(SIMPLE_LIB) $(LIB_4_ICONV)
 +
  git-local-fetch$X: fetch.o
  git-ssh-fetch$X: rsh.o fetch.o
  git-ssh-upload$X: rsh.o
  git-ssh-pull$X: rsh.o fetch.o
  git-ssh-push$X: rsh.o
  
 -git-http-fetch$X: LIBS += $(CURL_LIBCURL)
 -git-http-push$X: LIBS += $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 -git-rev-list$X: LIBS += $(OPENSSL_LIBSSL)
 +git-http-fetch$X: fetch.o http.o http-fetch.o
 +      $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 +              $(LIBS) $(CURL_LIBCURL)
 +
 +git-http-push$X: http.o http-push.o
 +      $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 +              $(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 +
 +git-rev-list$X: rev-list.o
 +      $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 +              $(LIBS) $(OPENSSL_LIBSSL)
  
  init-db.o: init-db.c
        $(CC) -c $(ALL_CFLAGS) \
 -              -DDEFAULT_GIT_TEMPLATE_DIR=$(call shellquote,"$(template_dir)") $*.c
 +              -DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir_SQ)"' $*.c
  
  $(LIB_OBJS): $(LIB_H)
  $(patsubst git-%$X,%.o,$(PROGRAMS)): $(LIB_H)
@@@ -544,12 -506,6 +545,12 @@@ doc
  
  ### Testing rules
  
 +# GNU make supports exporting all variables by "export" without parameters.
 +# However, the environment gets quite big, and some programs have problems
 +# with that.
 +
 +export NO_PYTHON
 +
  test: all
        $(MAKE) -C t/ all
  
@@@ -567,13 -523,13 +568,13 @@@ check
  ### Installation rules
  
  install: all
 -      $(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(bindir))
 -      $(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(gitexecdir))
 -      $(INSTALL) $(ALL_PROGRAMS) $(call shellquote,$(DESTDIR)$(gitexecdir))
 -      $(INSTALL) git$X gitk $(call shellquote,$(DESTDIR)$(bindir))
 +      $(INSTALL) -d -m755 '$(DESTDIR_SQ)$(bindir_SQ)'
 +      $(INSTALL) -d -m755 '$(DESTDIR_SQ)$(gitexecdir_SQ)'
 +      $(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
 +      $(INSTALL) git$X gitk '$(DESTDIR_SQ)$(bindir_SQ)'
        $(MAKE) -C templates install
 -      $(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(GIT_PYTHON_DIR))
 -      $(INSTALL) $(PYMODULES) $(call shellquote,$(DESTDIR)$(GIT_PYTHON_DIR))
 +      $(INSTALL) -d -m755 '$(DESTDIR_SQ)$(GIT_PYTHON_DIR_SQ)'
 +      $(INSTALL) $(PYMODULES) '$(DESTDIR_SQ)$(GIT_PYTHON_DIR_SQ)'
  
  install-doc:
        $(MAKE) -C Documentation install