1 files changed, 68 insertions, 0 deletions
diff --git a/Git/LsFiles.hs b/Git/LsFiles.hs
new file mode 100644
index 000000000..b88c9144e
--- /dev/null
+++ b/Git/LsFiles.hs
@@ -0,0 +1,68 @@
+{- git ls-files interface
+ -
+ - Copyright 2010 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module Git.LsFiles (
+	inRepo,
+	notInRepo,
+	staged,
+	stagedNotDeleted,
+	changedUnstaged,
+	typeChanged,
+	typeChangedStaged,
+) where
+
+import Git
+import Utility
+
+{- Scans for files that are checked into git at the specified locations. -}
+inRepo :: Repo -> [FilePath] -> IO [FilePath]
+inRepo repo l = pipeNullSplit repo $
+	[Params "ls-files --cached -z --"] ++ map File l
+
+{- Scans for files at the specified locations that are not checked into
+ - git. -}
+notInRepo :: Repo -> Bool -> [FilePath] -> IO [FilePath]
+notInRepo repo include_ignored l =
+	pipeNullSplit repo $ [Params "ls-files --others"]++exclude++[Params "-z --"] ++ map File l
+	where
+		exclude = if include_ignored then [] else [Param "--exclude-standard"]
+
+{- Returns a list of all files that are staged for commit. -}
+staged :: Repo -> [FilePath] -> IO [FilePath]
+staged repo l = staged' repo l []
+
+{- Returns a list of the files, staged for commit, that are being added,
+ - moved, or changed (but not deleted), from the specified locations. -}
+stagedNotDeleted :: Repo -> [FilePath] -> IO [FilePath]
+stagedNotDeleted repo l = staged' repo l [Param "--diff-filter=ACMRT"]
+
+staged' :: Repo -> [FilePath] -> [CommandParam] -> IO [FilePath]
+staged' repo l middle = pipeNullSplit repo $ start ++ middle ++ end
+	where
+		start = [Params "diff --cached --name-only -z"]
+		end = [Param "--"] ++ map File l
+
+{- Returns a list of files that have unstaged changes. -}
+changedUnstaged :: Repo -> [FilePath] -> IO [FilePath]
+changedUnstaged repo l = pipeNullSplit repo $
+	[Params "diff --name-only -z --"] ++ map File l
+
+{- Returns a list of the files in the specified locations that are staged
+ - for commit, and whose type has changed. -}
+typeChangedStaged :: Repo -> [FilePath] -> IO [FilePath]
+typeChangedStaged repo l = typeChanged' repo l [Param "--cached"]
+
+{- Returns a list of the files in the specified locations whose type has
+ - changed.  Files only staged for commit will not be included. -}
+typeChanged :: Repo -> [FilePath] -> IO [FilePath]
+typeChanged repo l = typeChanged' repo l []
+
+typeChanged' :: Repo -> [FilePath] -> [CommandParam] -> IO [FilePath]
+typeChanged' repo l middle = pipeNullSplit repo $ start ++ middle ++ end
+	where
+		start = [Params "diff --name-only --diff-filter=T -z"]
+		end = [Param "--"] ++ map File l