Ship our own copy of subprocess.py

so people without the latest Python could run merge-recursive.
Signed-off-by: NJunio C Hamano <junkio@cox.net>

Makefile

@@ -23,6 +23,8 @@
 #
 # Define NO_GETDOMAINNAME if your library lack it (SunOS, Patrick Mauritz).
 #
+# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
+#
 # 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.
@@ -117,6 +119,10 @@ PROGRAMS += git-ssh-pull git-ssh-push
 PYMODULES = \
 	gitMergeCommon.py
 
+ifdef WITH_OWN_SUBPROCESS_PY
+	PYMODULES += compat/subprocess.py
+endif
+
 ifdef WITH_SEND_EMAIL
 	SCRIPT_PERL += git-send-email.perl
 endif

git-core.spec.in

@@ -9,7 +9,7 @@ URL: 		http://kernel.org/pub/software/scm/git/
 Source: 	http://kernel.org/pub/software/scm/git/%{name}-%{version}.tar.gz
 BuildRequires:	zlib-devel, openssl-devel, curl-devel  %{!?_without_docs:, xmlto, asciidoc > 6.0.3}
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-Requires:	rsync, rcs, curl, less, openssh-clients, python >= 2.4, tk
+Requires:	rsync, rcs, curl, less, openssh-clients, python >= 2.3, tk
 
 %description
 This is a stupid (but extremely fast) directory content manager.  It
@@ -23,11 +23,13 @@ elsewhere for tools for ordinary humans layered on top of this.
 %setup -q
 
 %build
-make COPTS="$RPM_OPT_FLAGS" prefix=%{_prefix} all %{!?_without_docs: doc}
+make COPTS="$RPM_OPT_FLAGS" WITH_OWN_SUBPROCESS_PY=YesPlease \
+     prefix=%{_prefix} all %{!?_without_docs: doc}
 
 %install
 rm -rf $RPM_BUILD_ROOT
-make DESTDIR=$RPM_BUILD_ROOT prefix=%{_prefix} mandir=%{_mandir} \
+make DESTDIR=$RPM_BUILD_ROOT WITH_OWN_SUBPROCESS_PY=YesPlease \
+     prefix=%{_prefix} mandir=%{_mandir} \
      install %{!?_without_docs: install-doc}
 
 %clean

gitMergeCommon.py

@@ -11,12 +11,6 @@ def printList(list, file=sys.stdout):
         file.write(' ')
     file.write('\n')
 
-if sys.version_info[0] < 2 or \
-       (sys.version_info[0] == 2 and sys.version_info[1] < 4):
-    die('Python version 2.4 required, found', \
-        str(sys.version_info[0])+'.'+str(sys.version_info[1])+'.'+ \
-        str(sys.version_info[2]))
-
 import subprocess
 
 # Debugging machinery