Add version command

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Hash: SHA1

Add version command

Suggested by Arun Sharma

manifest hash: 7fc056ffe45ee854f00e76916a560fba28c74a91
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mercurial/commands.py

@@ -134,7 +134,7 b' def show_changeset(ui, repo, rev=0, chan'
             ui.status("summary:     %s\n" % description.splitlines()[0])
     ui.status("\n")
 
-def show_version(ui):
+def version(ui):
     """output version and copyright information"""
     ui.write("Mercurial version %s\n" % version.get_version())
     ui.status(
@@ -167,7 +167,7 b' def help(ui, cmd=None):'
         sys.exit(0)
     else:
         if not ui.quiet:
-            show_version(ui)
+            version(ui)
             ui.write('\n')
         ui.write('hg commands:\n\n')
 
@@ -767,6 +767,7 b' table = {'
               ('C', 'clean', None, 'overwrite locally modified files')],
              'hg update [options] [node]'),
     "verify": (verify, [], 'hg verify'),
+    "version": (version, [], 'hg version'),
     }
 
 norepo = "init version help debugindex debugindexdot"
@@ -809,7 +810,7 b' def dispatch(args):'
            not options["noninteractive"])
 
     if options["version"]:
-        show_version(u)
+        version(u)
         sys.exit(0)
 
     try:

tests/test-help.out

@@ -32,6 +32,7 b' hg commands:'
  undo        undo the last transaction
  update      update or merge working directory
  verify      verify the integrity of the repository
+ version     output version and copyright information
 + hg add -h
 hg add: option -h not recognized
 hg add [files]
@@ -81,4 +82,5 b' hg commands:'
  undo        undo the last transaction
  update      update or merge working directory
  verify      verify the integrity of the repository
+ version     output version and copyright information
 + exit 0