mirror of
https://code.naskya.net/repos/ndqEd
synced 2025-03-20 15:14:54 +09:00
130 lines
4 KiB
Haskell
130 lines
4 KiB
Haskell
{- This file is part of Vervis.
|
|
-
|
|
- Written in 2016, 2018 by fr33domlover <fr33domlover@riseup.net>.
|
|
-
|
|
- ♡ Copying is an act of love. Please copy, reuse and share.
|
|
-
|
|
- The author(s) have dedicated all copyright and related and neighboring
|
|
- rights to this software to the public domain worldwide. This software is
|
|
- distributed without any warranty.
|
|
-
|
|
- You should have received a copy of the CC0 Public Domain Dedication along
|
|
- with this software. If not, see
|
|
- <http://creativecommons.org/publicdomain/zero/1.0/>.
|
|
-}
|
|
|
|
module Data.Git.Local
|
|
( -- * Initialize repo
|
|
createRepo
|
|
-- * View repo content
|
|
, EntObjType (..)
|
|
, TreeRows
|
|
, PathView (..)
|
|
, viewPath
|
|
-- * View refs
|
|
, listBranches
|
|
, listTags
|
|
)
|
|
where
|
|
|
|
import Prelude
|
|
|
|
import Control.Monad (when)
|
|
import Data.Byteable (toBytes)
|
|
import Data.Git
|
|
import Data.Git.Harder
|
|
import Data.Git.Ref (SHA1)
|
|
import Data.Git.Types (GitTime (..))
|
|
import Data.Set (Set)
|
|
import Data.Text (Text)
|
|
import Data.Text.Encoding (decodeUtf8With)
|
|
import Data.Text.Encoding.Error (lenientDecode)
|
|
import System.Directory.Tree
|
|
|
|
import qualified Data.ByteString as B (ByteString, writeFile)
|
|
import qualified Data.ByteString.Lazy as BL (ByteString)
|
|
import qualified Data.Set as S (mapMonotonic)
|
|
import qualified Data.Text as T (pack)
|
|
|
|
import Data.EventTime.Local
|
|
import Data.Hourglass.Local ()
|
|
|
|
instance SpecToEventTime GitTime where
|
|
specToEventTime = specToEventTime . gitTimeUTC
|
|
specsToEventTimes = specsToEventTimes . fmap gitTimeUTC
|
|
|
|
initialRepoTree :: FileName -> DirTree B.ByteString
|
|
initialRepoTree repo =
|
|
Dir repo
|
|
[ Dir "branches" []
|
|
, File "config"
|
|
"[core]\n\
|
|
\ repositoryformatversion = 0\n\
|
|
\ filemode = true\n\
|
|
\ bare = true"
|
|
, File "description"
|
|
"Unnamed repository; edit this file to name the repository."
|
|
, File "HEAD" "ref: refs/heads/master"
|
|
, Dir "hooks" []
|
|
, Dir "info"
|
|
[ File "exclude" ""
|
|
]
|
|
, Dir "objects"
|
|
[ Dir "info" []
|
|
, Dir "pack" []
|
|
]
|
|
, Dir "refs"
|
|
[ Dir "heads" []
|
|
, Dir "tags" []
|
|
]
|
|
]
|
|
|
|
-- | initialize a new bare repository at a specific location.
|
|
--
|
|
-- Currently in the @hit@ package, i.e. version 0.6.3, the initRepo function
|
|
-- creates a directory which the git executable doesn't recognize as a git
|
|
-- repository. The version here creates a properly initialized repo.
|
|
createRepo
|
|
:: FilePath
|
|
-- ^ Parent directory which already exists
|
|
-> String
|
|
-- ^ Name of new repo, i.e. new directory to create under the parent
|
|
-> IO ()
|
|
createRepo path name = do
|
|
let tree = path :/ initialRepoTree name
|
|
result <- writeDirectoryWith B.writeFile tree
|
|
let errs = failures $ dirTree result
|
|
when (not . null $ errs) $ error $ show errs
|
|
|
|
data EntObjType = EntObjBlob | EntObjTree
|
|
|
|
type TreeRows = [(ModePerm, ObjId, Text, EntObjType)]
|
|
|
|
data PathView
|
|
= RootView TreeRows
|
|
| TreeView Text ObjId TreeRows
|
|
| BlobView Text ObjId BL.ByteString
|
|
|
|
viewPath :: Git SHA1 -> Tree SHA1 -> EntPath -> IO PathView
|
|
viewPath git root path = do
|
|
let toEnt False = EntObjBlob
|
|
toEnt True = EntObjTree
|
|
toText = decodeUtf8With lenientDecode . toBytes
|
|
adapt (perm, oid, name, isTree) =
|
|
(perm, oid, toText name, toEnt isTree)
|
|
mkRows t = map adapt <$> viewTree git t
|
|
mno <- resolveTreePath git root path
|
|
case mno of
|
|
Nothing -> RootView <$> mkRows root
|
|
Just (name, oid) -> do
|
|
let nameT = toText name
|
|
target <- getEntryObject_ git oid
|
|
case target of
|
|
Left blob -> return $ BlobView nameT oid (blobGetContent blob)
|
|
Right tree -> TreeView nameT oid <$> mkRows tree
|
|
|
|
listBranches :: Git SHA1 -> IO (Set Text)
|
|
listBranches git = S.mapMonotonic (T.pack . refNameRaw) <$> branchList git
|
|
|
|
listTags :: Git SHA1 -> IO (Set Text)
|
|
listTags git = S.mapMonotonic (T.pack . refNameRaw) <$> tagList git
|