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{- git-annex command
-
- Copyright 2017 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP #-}
module Command.PostReceive where
import Command
import qualified Annex
import Config
import Annex.Version
import Annex.AdjustedBranch
import Git.Branch
import Git.Types
import Git.ConfigTypes
import qualified Command.Merge
cmd :: Command
cmd = command "post-receive" SectionPlumbing
"run by git post-receive hook"
paramNothing
(withParams seek)
seek :: CmdParams -> CommandSeek
seek _ = whenM needUpdateInsteadEmulation $ do
fixPostReceiveHookEnv
updateInsteadEmulation
{- When run by the post-receive hook, the cwd is the .git directory,
- and GIT_DIR=. It's not clear why git does this.
-
- Fix up from that unusual situation, so that git commands
- won't try to treat .git as the work tree. -}
fixPostReceiveHookEnv :: Annex ()
fixPostReceiveHookEnv = do
g <- Annex.gitRepo
case location g of
Local { gitdir = ".", worktree = Just "." } ->
Annex.adjustGitRepo $ \g' -> pure $ g'
{ location = (location g')
{ worktree = Just ".." }
}
_ -> noop
{- receive.denyCurrentBranch=updateInstead does not work in direct mode
- repositories or when an adjusted branch is checked out, so must be
- emulated. -}
needUpdateInsteadEmulation :: Annex Bool
needUpdateInsteadEmulation = updateinsteadset <&&> (isDirect <||> isadjusted)
where
updateinsteadset = (== UpdateInstead) . receiveDenyCurrentBranch
<$> Annex.getGitConfig
isadjusted = versionSupportsUnlockedPointers
<&&> (maybe False (isJust . getAdjustment) <$> inRepo Git.Branch.current)
updateInsteadEmulation :: Annex ()
updateInsteadEmulation = commandAction Command.Merge.mergeSynced
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