Merge branch 'br/imap-send-via-libcurl'

Newer libCurl knows how to talk IMAP; "git imap-send" has been
updated to use this instead of a hand-rolled OpenSSL calls.

* br/imap-send-via-libcurl:
git-imap-send: use libcurl for implementation

diff --combined Makefile
index 86bc0c2f04b8f3b45412a407a4e6124b16897867,14d5ac109e3296ae3f86ebfc9c3c6f59d6aa45ce..06e5d24312e47e9a6e7e33def74c70f54c21f2e1
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -191,10 -191,6 +191,10 @@@ all:
  # Define NO_TRUSTABLE_FILEMODE if your filesystem may claim to support
  # the executable mode bit, but doesn't really do so.
  #
 +# Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type
 +# bits in mode values (e.g. z/OS defines I_SFMT to 0xFF000000 as opposed to the
 +# usual 0xF000).
 +#
  # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
  #
  # Define NO_UNIX_SOCKETS if your system does not offer unix sockets.
@@@ -999,6 -995,9 +999,9 @@@ ifdef HAVE_ALLOCA_
        BASIC_CFLAGS += -DHAVE_ALLOCA_H
  endif
  
+ IMAP_SEND_BUILDDEPS =
+ IMAP_SEND_LDFLAGS = $(OPENSSL_LINK) $(OPENSSL_LIBSSL) $(LIB_4_CRYPTO)
+ 
  ifdef NO_CURL
        BASIC_CFLAGS += -DNO_CURL
        REMOTE_CURL_PRIMARY =
@@@ -1033,6 -1032,15 +1036,15 @@@ els
                        PROGRAM_OBJS += http-push.o
                endif
        endif
+       curl_check := $(shell (echo 072200; curl-config --vernum) 2>/dev/null | sort -r | sed -ne 2p)
+       ifeq "$(curl_check)" "072200"
+               USE_CURL_FOR_IMAP_SEND = YesPlease
+       endif
+       ifdef USE_CURL_FOR_IMAP_SEND
+               BASIC_CFLAGS += -DUSE_CURL_FOR_IMAP_SEND
+               IMAP_SEND_BUILDDEPS = http.o
+               IMAP_SEND_LDFLAGS += $(CURL_LIBCURL)
+       endif
        ifndef NO_EXPAT
                ifdef EXPATDIR
                        BASIC_CFLAGS += -I$(EXPATDIR)/include
@@@ -1234,10 -1242,6 +1246,10 @@@ endi
  ifdef NO_TRUSTABLE_FILEMODE
        BASIC_CFLAGS += -DNO_TRUSTABLE_FILEMODE
  endif
 +ifdef NEEDS_MODE_TRANSLATION
 +      COMPAT_CFLAGS += -DNEEDS_MODE_TRANSLATION
 +      COMPAT_OBJS += compat/stat.o
 +endif
  ifdef NO_IPV6
        BASIC_CFLAGS += -DNO_IPV6
  endif
@@@ -1670,7 -1674,7 +1682,7 @@@ GIT-SCRIPT-DEFINES: FORC
              fi
  
  
 -$(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh GIT-SCRIPT-DEFINES
 +$(SCRIPT_SH_GEN) : % : %.sh GIT-SCRIPT-DEFINES
        $(QUIET_GEN)$(cmd_munge_script) && \
        chmod +x $@+ && \
        mv $@+ $@
@@@ -1684,11 -1688,8 +1696,11 @@@ git.res: git.rc GIT-VERSION-FIL
          $(join -DMAJOR= -DMINOR=, $(wordlist 1,2,$(subst -, ,$(subst ., ,$(GIT_VERSION))))) \
          -DGIT_VERSION="\\\"$(GIT_VERSION)\\\"" $< -o $@
  
 +# This makes sure we depend on the NO_PERL setting itself.
 +$(SCRIPT_PERL_GEN): GIT-BUILD-OPTIONS
 +
  ifndef NO_PERL
 -$(patsubst %.perl,%,$(SCRIPT_PERL)): perl/perl.mak
 +$(SCRIPT_PERL_GEN): perl/perl.mak
  
  perl/perl.mak: perl/PM.stamp
  
@@@ -1701,7 -1702,7 +1713,7 @@@ perl/perl.mak: GIT-CFLAGS GIT-PREFIX pe
        $(QUIET_SUBDIR0)perl $(QUIET_SUBDIR1) PERL_PATH='$(PERL_PATH_SQ)' prefix='$(prefix_SQ)' $(@F)
  
  PERL_DEFINES = $(PERL_PATH_SQ):$(PERLLIB_EXTRA_SQ)
 -$(patsubst %.perl,%,$(SCRIPT_PERL)): % : %.perl perl/perl.mak GIT-PERL-DEFINES GIT-VERSION-FILE
 +$(SCRIPT_PERL_GEN): % : %.perl perl/perl.mak GIT-PERL-DEFINES GIT-VERSION-FILE
        $(QUIET_GEN)$(RM) $@ $@+ && \
        INSTLIBDIR=`MAKEFLAGS= $(MAKE) -C perl -s --no-print-directory instlibdir` && \
        INSTLIBDIR_EXTRA='$(PERLLIB_EXTRA_SQ)' && \
@@@ -1735,7 -1736,7 +1747,7 @@@ git-instaweb: git-instaweb.sh gitweb GI
        chmod +x $@+ && \
        mv $@+ $@
  else # NO_PERL
 -$(patsubst %.perl,%,$(SCRIPT_PERL)) git-instaweb: % : unimplemented.sh
 +$(SCRIPT_PERL_GEN) git-instaweb: % : unimplemented.sh
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
            -e 's|@@REASON@@|NO_PERL=$(NO_PERL)|g' \
@@@ -1744,9 -1745,6 +1756,9 @@@
        mv $@+ $@
  endif # NO_PERL
  
 +# This makes sure we depend on the NO_PYTHON setting itself.
 +$(SCRIPT_PYTHON_GEN): GIT-BUILD-OPTIONS
 +
  ifndef NO_PYTHON
  $(SCRIPT_PYTHON_GEN): GIT-CFLAGS GIT-PREFIX GIT-PYTHON-VARS
  $(SCRIPT_PYTHON_GEN): % : %.py
@@@ -1888,7 -1886,7 +1900,7 @@@ gettext.sp gettext.s gettext.o: GIT-PRE
  gettext.sp gettext.s gettext.o: EXTRA_CPPFLAGS = \
        -DGIT_LOCALE_PATH='"$(localedir_SQ)"'
  
- http-push.sp http.sp http-walker.sp remote-curl.sp: SPARSE_FLAGS += \
+ http-push.sp http.sp http-walker.sp remote-curl.sp imap-send.sp: SPARSE_FLAGS += \
        -DCURL_DISABLE_TYPECHECK
  
  ifdef NO_EXPAT
@@@ -1909,9 -1907,9 +1921,9 @@@ endi
  git-%$X: %.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
  
- git-imap-send$X: imap-send.o GIT-LDFLAGS $(GITLIBS)
+ git-imap-send$X: imap-send.o $(IMAP_SEND_BUILDDEPS) GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
-               $(LIBS) $(OPENSSL_LINK) $(OPENSSL_LIBSSL) $(LIB_4_CRYPTO)
+               $(LIBS) $(IMAP_SEND_LDFLAGS)
  
  git-http-fetch$X: http.o http-walker.o http-fetch.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \