diff options
Diffstat (limited to 'src/Repo.hs')
| -rw-r--r-- | src/Repo.hs | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/Repo.hs b/src/Repo.hs index 1148972..45fdb04 100644 --- a/src/Repo.hs +++ b/src/Repo.hs @@ -36,6 +36,7 @@ data Commit = Commit { commitRepo :: Repo , commitId :: CommitId , commitDescription :: Text + , commitTreeId :: MVar (Maybe TreeId) } @@ -79,6 +80,7 @@ listCommits commitRepo range = liftIO $ do let ( cid, desc ) = fmap (drop 1) $ (span (/=' ')) line commitId = CommitId (BC.pack cid) commitDescription = T.pack desc + commitTreeId <- newMVar Nothing return Commit {..} @@ -94,9 +96,15 @@ checkoutAt Commit {..} dest = do readTreeId :: (MonadIO m, MonadFail m) => Commit -> m TreeId readTreeId Commit {..} = do let GitRepo {..} = commitRepo - liftIO $ withMVar gitLock $ \_ -> do - [ "tree", tid ] : _ <- map words . lines <$> readProcess "git" [ "--git-dir=" <> gitDir, "cat-file", "commit", showCommitId commitId ] "" - return $ TreeId $ BC.pack tid + liftIO $ do + modifyMVar commitTreeId $ \case + Just tid -> do + return ( Just tid, tid ) + Nothing -> do + withMVar gitLock $ \_ -> do + [ "tree", stid ] : _ <- map words . lines <$> readProcess "git" [ "--git-dir=" <> gitDir, "cat-file", "commit", showCommitId commitId ] "" + let tid = TreeId $ BC.pack stid + return ( Just tid, tid ) readCommittedFile :: Commit -> FilePath -> IO (Maybe BL.ByteString) |