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import Data.List (null, nub, sort)
import Data.Time.Clock (getCurrentTime, addUTCTime)
import Data.Time.Clock.POSIX (posixDayLength)
import System.Environment (getArgs)
import Data.FileStore (gitFileStore, history, TimeRange(TimeRange), Revision(Revision), Author(authorEmail), Change(Added,Deleted,Modified))
matchUsername :: String -> Revision -> Bool
matchUsername u (Revision _ _ author _ _) = u == localPart (authorEmail author)
where
localPart = takeWhile (/='@')
extractFilename :: Change -> FilePath
extractFilename (Added f) = f
extractFilename (Deleted f) = f
extractFilename (Modified f) = f
extractFilenames :: Revision -> [FilePath]
extractFilenames (Revision _ _ _ _ cs) = map extractFilename cs
main :: IO ()
main = do
args <- getArgs
let username = head args
currentTime <- getCurrentTime
let weekago = addUTCTime (-7 * posixDayLength) currentTime
let store = gitFileStore "."
revs <- history store [] (TimeRange (Just weekago) Nothing) Nothing
let verrevs = if null args then revs else filter (matchUsername username) revs
let filestouched = sort . nub . concat $ map extractFilenames verrevs
putStrLn "Summary"
putStrLn "======="
putStrLn $ "Number of commits: " ++ (show (length verrevs))
putStrLn $ "Files touched: " ++ (show (length filestouched))
mapM_ (putStrLn . (" "++)) filestouched
putStrLn ""
putStrLn "Details"
putStrLn "======="
mapM_ (putStrLn . show) verrevs
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