diff options
Diffstat (limited to 'Git.hs')
| -rw-r--r-- | Git.hs | 36 |
1 files changed, 32 insertions, 4 deletions
@@ -3,7 +3,7 @@ - This is written to be completely independant of git-annex and should be - suitable for other uses. - - - Copyright 2010-2012 Joey Hess <joey@kitenet.net> + - Copyright 2010-2012 Joey Hess <id@joeyh.name> - - Licensed under the GNU GPL version 3 or higher. -} @@ -30,6 +30,8 @@ module Git ( attributes, hookPath, assertLocal, + adjustPath, + relPath, ) where import Network.URI (uriPath, uriScheme, unEscapeString) @@ -58,7 +60,7 @@ repoLocation Repo { location = Url url } = show url repoLocation Repo { location = Local { worktree = Just dir } } = dir repoLocation Repo { location = Local { gitdir = dir } } = dir repoLocation Repo { location = LocalUnknown dir } = dir -repoLocation Repo { location = Unknown } = undefined +repoLocation Repo { location = Unknown } = error "unknown repoLocation" {- Path to a repository. For non-bare, this is the worktree, for bare, - it's the gitdir, and for URL repositories, is the path on the remote @@ -68,12 +70,12 @@ repoPath Repo { location = Url u } = unEscapeString $ uriPath u repoPath Repo { location = Local { worktree = Just d } } = d repoPath Repo { location = Local { gitdir = d } } = d repoPath Repo { location = LocalUnknown dir } = dir -repoPath Repo { location = Unknown } = undefined +repoPath Repo { location = Unknown } = error "unknown repoPath" {- Path to a local repository's .git directory. -} localGitDir :: Repo -> FilePath localGitDir Repo { location = Local { gitdir = d } } = d -localGitDir _ = undefined +localGitDir _ = error "unknown localGitDir" {- Some code needs to vary between URL and normal repos, - or bare and non-bare, these functions help with that. -} @@ -139,3 +141,29 @@ hookPath script repo = do #else isexecutable f = isExecutable . fileMode <$> getFileStatus f #endif + +{- Makes the path to a local Repo be relative to the cwd. -} +relPath :: Repo -> IO Repo +relPath = adjustPath torel + where + torel p = do + p' <- relPathCwdToFile p + if null p' + then return "." + else return p' + +{- Adusts the path to a local Repo using the provided function. -} +adjustPath :: (FilePath -> IO FilePath) -> Repo -> IO Repo +adjustPath f r@(Repo { location = l@(Local { gitdir = d, worktree = w }) }) = do + d' <- f d + w' <- maybe (pure Nothing) (Just <$$> f) w + return $ r + { location = l + { gitdir = d' + , worktree = w' + } + } +adjustPath f r@(Repo { location = LocalUnknown d }) = do + d' <- f d + return $ r { location = LocalUnknown d' } +adjustPath _ r = pure r |