71 lines
2 KiB
Haskell
71 lines
2 KiB
Haskell
{- git-annex git hooks
|
|
-
|
|
- Note that it's important that the scripts installed by git-annex
|
|
- not change, otherwise removing old hooks using an old version of
|
|
- the script would fail.
|
|
-
|
|
- Copyright 2013-2014 Joey Hess <joey@kitenet.net>
|
|
-
|
|
- Licensed under the GNU GPL version 3 or higher.
|
|
-}
|
|
|
|
module Annex.Hook where
|
|
|
|
import Common.Annex
|
|
import qualified Git.Hook as Git
|
|
import Config
|
|
import qualified Annex
|
|
import Utility.Shell
|
|
import Utility.FileMode
|
|
|
|
import qualified Data.Map as M
|
|
|
|
preCommitHook :: Git.Hook
|
|
preCommitHook = Git.Hook "pre-commit" (mkHookScript "git annex pre-commit .")
|
|
|
|
preCommitAnnexHook :: Git.Hook
|
|
preCommitAnnexHook = Git.Hook "pre-commit-annex" ""
|
|
|
|
mkHookScript :: String -> String
|
|
mkHookScript s = unlines
|
|
[ shebang_local
|
|
, "# automatically configured by git-annex"
|
|
, s
|
|
]
|
|
|
|
hookWrite :: Git.Hook -> Annex ()
|
|
hookWrite h =
|
|
-- cannot have git hooks in a crippled filesystem (no execute bit)
|
|
unlessM crippledFileSystem $
|
|
unlessM (inRepo $ Git.hookWrite h) $
|
|
hookWarning h "already exists, not configuring"
|
|
|
|
hookUnWrite :: Git.Hook -> Annex ()
|
|
hookUnWrite h = unlessM (inRepo $ Git.hookUnWrite h) $
|
|
hookWarning h "contents modified; not deleting. Edit it to remove call to git annex."
|
|
|
|
hookWarning :: Git.Hook -> String -> Annex ()
|
|
hookWarning h msg = do
|
|
r <- gitRepo
|
|
warning $ Git.hookName h ++ " hook (" ++ Git.hookFile h r ++ ") " ++ msg
|
|
|
|
{- Runs a hook. To avoid checking if the hook exists every time,
|
|
- the existing hooks are cached. -}
|
|
runAnnexHook :: Git.Hook -> Annex ()
|
|
runAnnexHook hook = do
|
|
cmd <- fromRepo $ Git.hookFile hook
|
|
m <- Annex.getState Annex.existinghooks
|
|
case M.lookup hook m of
|
|
Just True -> run cmd
|
|
Just False -> noop
|
|
Nothing -> do
|
|
exists <- hookexists cmd
|
|
Annex.changeState $ \s -> s
|
|
{ Annex.existinghooks = M.insert hook exists m }
|
|
when exists $
|
|
run cmd
|
|
where
|
|
hookexists f = liftIO $ catchBoolIO $
|
|
isExecutable . fileMode <$> getFileStatus f
|
|
run cmd = unlessM (liftIO $ boolSystem cmd []) $
|
|
warning $ cmd ++ " failed"
|