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{- git-annex command
-
- Copyright 2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.ResolveMerge where
import Command
import qualified Git
import Git.Sha
import qualified Git.Branch
import Annex.AutoMerge
import qualified Data.ByteString as S
cmd :: Command
cmd = command "resolvemerge" SectionPlumbing
"resolve merge conflicts"
paramNothing (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withNothing (commandAction start)
start :: CommandStart
start = starting "resolvemerge" (ActionItemOther Nothing) (SeekInput []) $ do
us <- fromMaybe nobranch <$> inRepo Git.Branch.current
d <- fromRawFilePath <$> fromRepo Git.localGitDir
let merge_head = d </> "MERGE_HEAD"
them <- fromMaybe (error nomergehead) . extractSha
<$> liftIO (S.readFile merge_head)
ifM (resolveMerge (Just us) them False)
( do
void $ commitResolvedMerge Git.Branch.ManualCommit
next $ return True
, giveup "Merge conflict could not be automatically resolved."
)
where
nobranch = giveup "No branch is currently checked out."
nomergehead = giveup "No SHA found in .git/merge_head"
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