[commit: Cabal] master: Add in more global help text like that of Setup.hs (4d67cdd)

[Ian Lynagh]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/Cabal

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/4d67cdd33215c8c17ac4e96a4933ecc7c2fa0064

>---------------------------------------------------------------

commit 4d67cdd33215c8c17ac4e96a4933ecc7c2fa0064
Author: Duncan Coutts <duncan at haskell.org>
Date:   Mon Dec 17 18:56:05 2007 +0000

    Add in more global help text like that of Setup.hs

>---------------------------------------------------------------

 cabal-install/Hackage/Setup.hs |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/cabal-install/Hackage/Setup.hs b/cabal-install/Hackage/Setup.hs
index deb65c5..fe99559 100644
--- a/cabal-install/Hackage/Setup.hs
+++ b/cabal-install/Hackage/Setup.hs
@@ -76,7 +76,15 @@ updateConfig flags conf = conf {
 
 globalCommand :: CommandUI Cabal.GlobalFlags
 globalCommand = Cabal.globalCommand {
-    commandDescription = Nothing
+    commandDescription = Just $ \pname ->
+         "Typical step for installing Cabal packages:\n"
+      ++ "  " ++ pname ++ " install [PACKAGES]\n"
+      ++ "\nOccasionally you need to update the list of available packages:\n"
+      ++ "  " ++ pname ++ " update\n"
+      ++ "\nFor more information about a command, try '"
+          ++ pname ++ " COMMAND --help'."
+      ++ "\nThis program is the command line interface to the Haskell Cabal Infrastructure."
+      ++ "\nSee http://www.haskell.org/cabal/ for more information.\n"
   }
 
 installCommand :: ProgramConfiguration -> CommandUI Cabal.ConfigFlags