diff options
Diffstat (limited to 'Biz')
| -rw-r--r-- | Biz/Devalloc.hs | 72 |
1 files changed, 57 insertions, 15 deletions
diff --git a/Biz/Devalloc.hs b/Biz/Devalloc.hs index d1172ee..7dbc4a5 100644 --- a/Biz/Devalloc.hs +++ b/Biz/Devalloc.hs @@ -45,6 +45,8 @@ import qualified Data.List as List import qualified Data.String as String import qualified Data.Text as Text import qualified Data.Text.Encoding as Encoding +import qualified Data.Time.Clock as Clock +import qualified Data.Time.Format as Time import Data.Vector (Vector) import qualified Data.Vector as Vector import qualified GitHub @@ -151,7 +153,6 @@ instance Lucid.ToHtml a => Lucid.ToHtml (HtmlApp a) where data Paths path = Paths { home :: path :- Get '[HTML] (HtmlApp Home), githubAuth :: - -- auth/github/callback?code=... path :- "auth" :> "github" :> "callback" :> QueryParam "code" Text :> Get '[HTML] (HtmlApp SelectRepo), @@ -311,7 +312,7 @@ data Analysis = Analysis -- | A path with < 3 active contributors liabilities :: [Text], -- | Files that have not been touched in 6 months - stale :: [Text], + stale :: [(FilePath, Int)], -- | Total score for the repo score :: Int, -- | List of all the active users we care about @@ -327,9 +328,15 @@ instance Lucid.ToHtml Analysis where render Analysis {..} = Lucid.div_ <| do Lucid.h1_ "Analysis Results" + Lucid.h3_ "score:" + Lucid.p_ <| Lucid.toHtml <| Text.pack <| show score Lucid.h3_ "blackholes:" Lucid.ul_ <| do mapM_ (Lucid.toHtml .> Lucid.li_) blackholes + Lucid.h3_ "stale files:" + Lucid.ul_ <| do + forM_ stale <| \(path, days) -> + Lucid.li_ <| Lucid.toHtml <| path <> " (" <> show days <> " days)" -- | Takes a list of active authors and a path to a bare git repo and runs a -- regular analysis @@ -357,27 +364,62 @@ analyze activeAuthors bareRepo = do tree authors :: [(FilePath, [(Text, Text, Text)])] - + stalenessMap <- mapM (lastTouched bareRepo) tree + let blackholes = + [ Text.pack path + | (path, authors_) <- authorMap, + null (map third authors_ `List.intersect` activeAuthors) + ] + let liabilities = + [ Text.pack path + | (path, authors_) <- authorMap, + length (map third authors_ `List.intersect` activeAuthors) < 3 + ] + let numBlackholes = frac <| length blackholes + let numLiabilities = frac <| length liabilities + let numTotal = length tree return Analysis - { blackholes = - [ Text.pack path - | (path, authors_) <- authorMap, - null (map third authors_ `List.intersect` activeAuthors) - ], - liabilities = - [ Text.pack path - | (path, authors_) <- authorMap, - length (map third authors_ `List.intersect` activeAuthors) < 3 + { stale = + [ (path, days) + | (path, days) <- stalenessMap, + days > 180 ], - stale = [], -- actually a map of path->staleness - score = 10, + score = + maxScore + * ( (numBlackholes * frac (5 // 10)) * (numLiabilities * frac (7 // 10)) + * (numTotal - numBlackholes - numLiabilities) + ) + `div` numTotal, .. } where + (//) = div + frac = fromIntegral :: Num a => Int -> a + maxScore = 10 third :: (a, b, c) -> c third (_, _, a) = a +lastTouched :: FilePath -> FilePath -> IO (FilePath, Int) +lastTouched bareRepo path = do + now <- Clock.getCurrentTime + timestamp <- + Process.readProcess + "git" + [ "--git-dir", + bareRepo, + "log", + "-n1", + "--pretty=%aI", + "--", + path + ] + "" + /> filter (/= '\n') + /> Time.parseTimeOrError True Time.defaultTimeLocale "%Y-%m-%dT%H:%M:%S%z" + let days = round <| Clock.diffUTCTime now timestamp / Clock.nominalDay + return (path, days) + -- | Given a git dir and a path inside the git repo, return a list of tuples -- with number of commits and author. authorsFor :: @@ -385,7 +427,7 @@ authorsFor :: FilePath -> -- | Returns (number of commits, author name, author email) IO [(Text, Text, Text)] -authorsFor gitDir path = do +authorsFor gitDir path = -- git shortlog writes to stderr for some reason, so we can't just use -- Process.readProcess Process.readProcess |