From a4f3e112954e1b785c84c339bcbd83597a89335e Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Tue, 3 Dec 2013 15:02:21 -0400 Subject: git-repair (1.20131203) unstable; urgency=low * Fix build deps. Closes: #731179 # imported from the archive --- Git/Types.hs | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Git/Types.hs (limited to 'Git/Types.hs') diff --git a/Git/Types.hs b/Git/Types.hs new file mode 100644 index 0000000..e63e930 --- /dev/null +++ b/Git/Types.hs @@ -0,0 +1,95 @@ +{- git data types + - + - Copyright 2010-2012 Joey Hess + - + - Licensed under the GNU GPL version 3 or higher. + -} + +module Git.Types where + +import Network.URI +import qualified Data.Map as M +import System.Posix.Types +import Utility.SafeCommand + +{- Support repositories on local disk, and repositories accessed via an URL. + - + - Repos on local disk have a git directory, and unless bare, a worktree. + - + - A local repo may not have had its config read yet, in which case all + - that's known about it is its path. + - + - Finally, an Unknown repository may be known to exist, but nothing + - else known about it. + -} +data RepoLocation + = Local { gitdir :: FilePath, worktree :: Maybe FilePath } + | LocalUnknown FilePath + | Url URI + | Unknown + deriving (Show, Eq) + +data Repo = Repo + { location :: RepoLocation + , config :: M.Map String String + -- a given git config key can actually have multiple values + , fullconfig :: M.Map String [String] + , remotes :: [Repo] + -- remoteName holds the name used for this repo in remotes + , remoteName :: Maybe RemoteName + -- alternate environment to use when running git commands + , gitEnv :: Maybe [(String, String)] + -- global options to pass to git when running git commands + , gitGlobalOpts :: [CommandParam] + } deriving (Show, Eq) + +type RemoteName = String + +{- A git ref. Can be a sha1, or a branch or tag name. -} +newtype Ref = Ref String + deriving (Eq, Ord) + +instance Show Ref where + show (Ref v) = v + +{- Aliases for Ref. -} +type Branch = Ref +type Sha = Ref +type Tag = Ref + +{- Types of objects that can be stored in git. -} +data ObjectType = BlobObject | CommitObject | TreeObject + deriving (Eq) + +instance Show ObjectType where + show BlobObject = "blob" + show CommitObject = "commit" + show TreeObject = "tree" + +readObjectType :: String -> Maybe ObjectType +readObjectType "blob" = Just BlobObject +readObjectType "commit" = Just CommitObject +readObjectType "tree" = Just TreeObject +readObjectType _ = Nothing + +{- Types of blobs. -} +data BlobType = FileBlob | ExecutableBlob | SymlinkBlob + deriving (Eq) + +{- Git uses magic numbers to denote the type of a blob. -} +instance Show BlobType where + show FileBlob = "100644" + show ExecutableBlob = "100755" + show SymlinkBlob = "120000" + +readBlobType :: String -> Maybe BlobType +readBlobType "100644" = Just FileBlob +readBlobType "100755" = Just ExecutableBlob +readBlobType "120000" = Just SymlinkBlob +readBlobType _ = Nothing + +toBlobType :: FileMode -> Maybe BlobType +toBlobType 0o100644 = Just FileBlob +toBlobType 0o100755 = Just ExecutableBlob +toBlobType 0o120000 = Just SymlinkBlob +toBlobType _ = Nothing -- cgit v1.2.3