bb4f31a0ee
Baked into the code was an assumption that a repository's git directory could be determined by adding ".git" to its work tree (or nothing for bare repos). That fails when core.worktree, or GIT_DIR and GIT_WORK_TREE are used to separate the two. This was attacked at the type level, by storing the gitdir and worktree separately, so Nothing for the worktree means a bare repo. A complication arose because we don't learn where a repository is bare until its configuration is read. So another Location type handles repositories that have not had their config read yet. I am not entirely happy with this being a Location type, rather than representing them entirely separate from the Git type. The new code is not worse than the old, but better types could enforce more safety. Added support for core.worktree. Overriding it with -c isn't supported because it's not really clear what to do if a git repo's config is read, is not bare, and is then overridden to bare. What is the right git directory in this case? I will worry about this if/when someone has a use case for overriding core.worktree with -c. (See Git.Config.updateLocation) Also removed and renamed some functions like gitDir and workTree that misused git's terminology. One minor regression is known: git annex add in a bare repository does not print a nice error message, but runs git ls-files in a way that fails earlier with a less nice error message. This is because before --work-tree was always passed to git commands, even in a bare repo, while now it's not.
77 lines
2.6 KiB
Haskell
77 lines
2.6 KiB
Haskell
{- git ls-files interface
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-
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- Copyright 2010 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Git.LsFiles (
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inRepo,
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notInRepo,
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staged,
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stagedNotDeleted,
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changedUnstaged,
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typeChanged,
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typeChangedStaged,
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) where
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import Common
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import Git
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import Git.Command
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{- Scans for files that are checked into git at the specified locations. -}
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inRepo :: [FilePath] -> Repo -> IO [FilePath]
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inRepo l = pipeNullSplit $ Params "ls-files --cached -z --" : map File l
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{- Scans for files at the specified locations that are not checked into git. -}
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notInRepo :: Bool -> [FilePath] -> Repo -> IO [FilePath]
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notInRepo include_ignored l repo = pipeNullSplit params repo
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where
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params = [Params "ls-files --others"] ++ exclude ++
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[Params "-z --"] ++ map File l
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exclude
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| include_ignored = []
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| otherwise = [Param "--exclude-standard"]
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{- Returns a list of all files that are staged for commit. -}
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staged :: [FilePath] -> Repo -> IO [FilePath]
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staged = staged' []
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{- Returns a list of the files, staged for commit, that are being added,
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- moved, or changed (but not deleted), from the specified locations. -}
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stagedNotDeleted :: [FilePath] -> Repo -> IO [FilePath]
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stagedNotDeleted = staged' [Param "--diff-filter=ACMRT"]
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staged' :: [CommandParam] -> [FilePath] -> Repo -> IO [FilePath]
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staged' ps l = pipeNullSplit $ prefix ++ ps ++ suffix
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where
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prefix = [Params "diff --cached --name-only -z"]
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suffix = Param "--" : map File l
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{- Returns a list of files that have unstaged changes. -}
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changedUnstaged :: [FilePath] -> Repo -> IO [FilePath]
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changedUnstaged l = pipeNullSplit params
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where
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params = Params "diff --name-only -z --" : map File l
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{- Returns a list of the files in the specified locations that are staged
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- for commit, and whose type has changed. -}
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typeChangedStaged :: [FilePath] -> Repo -> IO [FilePath]
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typeChangedStaged = typeChanged' [Param "--cached"]
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{- Returns a list of the files in the specified locations whose type has
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- changed. Files only staged for commit will not be included. -}
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typeChanged :: [FilePath] -> Repo -> IO [FilePath]
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typeChanged = typeChanged' []
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typeChanged' :: [CommandParam] -> [FilePath] -> Repo -> IO [FilePath]
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typeChanged' ps l repo = do
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fs <- pipeNullSplit (prefix ++ ps ++ suffix) repo
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-- git diff returns filenames relative to the top of the git repo;
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-- convert to filenames relative to the cwd, like git ls-files.
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let top = repoPath repo
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cwd <- getCurrentDirectory
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return $ map (\f -> relPathDirToFile cwd $ top </> f) fs
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where
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prefix = [Params "diff --name-only --diff-filter=T -z"]
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suffix = Param "--" : map File l
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