53da7f1cf8
* uninit: Remove several git hooks that git-annex init sets up. * uninit: Remove the smudge and clean filters that git-annex init sets up.
97 lines
2.8 KiB
Haskell
97 lines
2.8 KiB
Haskell
{- git-annex git hooks
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-
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- Note that it's important that the content of scripts installed by
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- git-annex not change, otherwise removing old hooks using an old
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- version of the script would fail.
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-
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- Copyright 2013-2019 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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module Annex.Hook where
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import Annex.Common
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import qualified Git.Hook as Git
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import qualified Annex
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import Utility.Shell
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import qualified Data.Map as M
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-- Remove all hooks.
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unHook :: Annex ()
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unHook = do
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hookUnWrite preCommitHook
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hookUnWrite postReceiveHook
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hookUnWrite postCheckoutHook
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hookUnWrite postMergeHook
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hookUnWrite preCommitAnnexHook
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hookUnWrite postUpdateAnnexHook
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preCommitHook :: Git.Hook
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preCommitHook = Git.Hook "pre-commit" (mkHookScript "git annex pre-commit .") []
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postReceiveHook :: Git.Hook
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postReceiveHook = Git.Hook "post-receive"
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-- Only run git-annex post-receive when git-annex supports it,
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-- to avoid failing if the repository with this hook is used
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-- with an older version of git-annex.
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(mkHookScript "if git annex post-receive --help >/dev/null 2>&1; then git annex post-receive; fi")
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-- This is an old version of the hook script.
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[ mkHookScript "git annex post-receive"
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]
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postCheckoutHook :: Git.Hook
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postCheckoutHook = Git.Hook "post-checkout" smudgeHook []
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postMergeHook :: Git.Hook
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postMergeHook = Git.Hook "post-merge" smudgeHook []
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-- Older versions of git-annex didn't support this command, but neither did
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-- they support v7 repositories.
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smudgeHook :: String
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smudgeHook = mkHookScript "git annex smudge --update"
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preCommitAnnexHook :: Git.Hook
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preCommitAnnexHook = Git.Hook "pre-commit-annex" "" []
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postUpdateAnnexHook :: Git.Hook
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postUpdateAnnexHook = Git.Hook "post-update-annex" "" []
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mkHookScript :: String -> String
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mkHookScript s = unlines
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[ shebang
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, "# automatically configured by git-annex"
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, s
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]
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hookWrite :: Git.Hook -> Annex ()
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hookWrite h = unlessM (inRepo $ Git.hookWrite h) $
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hookWarning h "already exists, not configuring"
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hookUnWrite :: Git.Hook -> Annex ()
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hookUnWrite h = unlessM (inRepo $ Git.hookUnWrite h) $
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hookWarning h "contents modified; not deleting. Edit it to remove call to git annex."
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hookWarning :: Git.Hook -> String -> Annex ()
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hookWarning h msg = do
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r <- gitRepo
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warning $ Git.hookName h ++ " hook (" ++ Git.hookFile h r ++ ") " ++ msg
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{- Runs a hook. To avoid checking if the hook exists every time,
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- the existing hooks are cached. -}
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runAnnexHook :: Git.Hook -> Annex ()
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runAnnexHook hook = do
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m <- Annex.getState Annex.existinghooks
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case M.lookup hook m of
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Just True -> run
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Just False -> noop
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Nothing -> do
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exists <- inRepo $ Git.hookExists hook
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Annex.changeState $ \s -> s
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{ Annex.existinghooks = M.insert hook exists m }
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when exists run
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where
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run = unlessM (inRepo $ Git.runHook hook) $ do
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h <- fromRepo $ Git.hookFile hook
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warning $ h ++ " failed"
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