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use --allow-unrelated-histories for now

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I'd prefer to use the env var, but let's use what git currently supports.
Revert this when the env var gets supported.

Note that the version checking assumes git 2.8.2 will get support for the
switch.
This commit is contained in:
Joey Hess 2016-04-22 15:56:13 -04:00
parent e4f159adb3
commit 6ec154d70c
Failed to extract signature
2 changed files with 20 additions and 17 deletions
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30
Git/Merge.hs
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@ -16,9 +16,9 @@ module Git.Merge (
import Common
import Git
import Git.Command
import Git.BuildVersion
import qualified Git.BuildVersion
import qualified Git.Version
import Git.Branch (CommitMode(..))
import Git.Env
data MergeConfig
= MergeNonInteractive
@ -32,20 +32,30 @@ merge = merge' []
merge' :: [CommandParam] -> Ref -> [MergeConfig] -> CommitMode -> Repo -> IO Bool
merge' extraparams branch mergeconfig commitmode r
| MergeNonInteractive `notElem` mergeconfig || older "1.7.7.6" =
| MergeNonInteractive `notElem` mergeconfig || Git.BuildVersion.older "1.7.7.6" =
go [Param $ fromRef branch]
| otherwise = go [Param "--no-edit", Param $ fromRef branch]
where
go ps = runBool (sp ++ [Param "merge"] ++ ps ++ extraparams)
=<< cfgRepo mergeconfig r
go ps = merge'' (sp ++ [Param "merge"] ++ ps ++ extraparams) mergeconfig r
sp
| commitmode == AutomaticCommit =
[Param "-c", Param "commit.gpgsign=false"]
| otherwise = []
merge'' :: [CommandParam] -> [MergeConfig] -> Repo -> IO Bool
merge'' ps mergeconfig r
| MergeUnrelatedHistories `elem` mergeconfig =
ifM (Git.Version.older "2.8.2")
( go (ps ++ [Param "--allow-unrelated-histories"])
, go ps
)
| otherwise = go ps
where
go ps' = runBool ps' r
{- Stage the merge into the index, but do not commit it.-}
stageMerge :: Ref -> [MergeConfig] -> Repo -> IO Bool
stageMerge branch mergeconfig r = runBool
stageMerge branch = merge''
[ Param "merge"
, Param "--quiet"
, Param "--no-commit"
@ -53,10 +63,4 @@ stageMerge branch mergeconfig r = runBool
-- commit.
, Param "--no-ff"
, Param $ fromRef branch
] =<< cfgRepo mergeconfig r
cfgRepo :: [MergeConfig] -> Repo -> IO Repo
cfgRepo mergeconfig r
| MergeUnrelatedHistories `elem` mergeconfig =
addGitEnv r "GIT_MERGE_ALLOW_UNRELATED_HISTORIES" "1"
| otherwise = return r
]