[merge] add 'make dist' and related things, and documentation to use them

[Alexander Belchenko]

Martin Pool пишет:
> * 'make dist' builds a tarball by automating some steps previously
> done manually.  This is based on the shell script I've used
> previously.
> * 'version --short' prints just the version, for use by the above, and
> probably useful in other places too.
> * 'make check-dist-tarball' runs checks on the packaged code -- and
> currently fails on Hardy because of
> <https://launchpad.net/bugs/212917>
> 
> I'd like to merge this to use it for 1.4
> 
> 
bb:tweak

=== modified file 'bzrlib/builtins.py'
--- bzrlib/builtins.py	2008-04-04 00:43:07 +0000
+++ bzrlib/builtins.py	2008-04-09 03:01:30 +0000
@@ -2716,11 +2716,17 @@
      """Show version of bzr."""

      encoding_type = 'replace'
+    takes_options = [
+        Option("short", help="Print just the version number."),
+        ]

      @display_command
-    def run(self):
+    def run(self, short=False):
          from bzrlib.version import show_version
-        show_version(to_file=self.outf)
+        if short:
+            print(bzrlib.version_string)
+        else:
+            show_version(to_file=self.outf)


^-- 'print' still a statement in Python 2.5 and 2.4.
You should use:

self.outf.write(bzrlib.version_string)

or

self.outf.write(bzrlib.version_string + '\n')

if you need LF at the end.