% Copyright (C) 2003,2005 David Roundy
%
% This program is free software; you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation; either version 2, or (at your option)
% any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program; see the file COPYING. If not, write to
% the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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\subsection{darcs repair}
\begin{code}
module Darcs.Commands.Repair ( repair ) where
import System.IO
import Darcs.Commands
import Darcs.Arguments ( DarcsFlag(),
working_repo_dir, umask_option,
)
import Darcs.Repository ( withRepoLock, ($-), amInRepository,
replacePristineFromSlurpy, writePatchSet )
import Darcs.Repository.Repair( replayRepository,
RepositoryConsistency(..) )
\end{code}
\options{repair}
\begin{code}
repair_description :: String
repair_description = "Repair a corrupted repository."
\end{code}
\haskell{repair_help}
\begin{code}
repair_help :: String
repair_help =
"The `darcs repair' command attempts to fix corruption in the current\n" ++
"repository. Currently it can only repair damage to the pristine tree,\n" ++
"which is where most corruption occurs.\n"
repair :: DarcsCommand
repair = DarcsCommand {command_name = "repair",
command_help = repair_help,
command_description = repair_description,
command_extra_args = 0,
command_extra_arg_help = [],
command_command = repair_cmd,
command_prereq = amInRepository,
command_get_arg_possibilities = return [],
command_argdefaults = nodefaults,
command_advanced_options = [umask_option],
command_basic_options = [working_repo_dir]}
repair_cmd :: [DarcsFlag] -> [String] -> IO ()
repair_cmd opts _ = withRepoLock opts $- \repository -> do
replayRepository repository opts $ \state ->
case state of
RepositoryConsistent ->
putStrLn "The repository is already consistent, no changes made."
BrokenPristine s -> do
putStrLn "Fixing pristine tree..."
replacePristineFromSlurpy repository s
BrokenPatches s newps -> do
putStrLn "Writing out repaired patches..."
writePatchSet newps opts
putStrLn "Fixing pristine tree..."
replacePristineFromSlurpy repository s
return ()
\end{code}