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{- git-annex command
-
- Copyright 2017 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.PostReceive where
import Command
import qualified Annex
import Git.Types
import Annex.UpdateInstead
import Command.Sync (mergeLocal, prepMerge, mergeConfig, getCurrBranch)
-- This does not need to modify the git-annex branch to update the
-- work tree, but auto-initialization might change the git-annex branch.
-- Since it would be surprising for a post-receive hook to make such a
-- change, that's prevented by noCommit.
cmd :: Command
cmd = noCommit $
command "post-receive" SectionPlumbing
"run by git post-receive hook"
paramNothing
(withParams seek)
seek :: CmdParams -> CommandSeek
seek _ = whenM needUpdateInsteadEmulation $ do
fixPostReceiveHookEnv
commandAction 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
updateInsteadEmulation :: CommandStart
updateInsteadEmulation = do
prepMerge
mergeLocal mergeConfig def =<< join getCurrBranch
|
