diff options
Diffstat (limited to 'Git/Branch.hs')
| -rw-r--r-- | Git/Branch.hs | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/Git/Branch.hs b/Git/Branch.hs index fcae905..54af101 100644 --- a/Git/Branch.hs +++ b/Git/Branch.hs @@ -1,6 +1,6 @@ {- git branch stuff - - - Copyright 2011 Joey Hess <id@joeyh.name> + - Copyright 2011-2021 Joey Hess <id@joeyh.name> - - Licensed under the GNU AGPL version 3 or higher. -} @@ -166,7 +166,7 @@ commitCommand' runner commitmode ps = runner $ -} commit :: CommitMode -> Bool -> String -> Branch -> [Ref] -> Repo -> IO (Maybe Sha) commit commitmode allowempty message branch parentrefs repo = do - tree <- getSha "write-tree" $ pipeReadStrict [Param "write-tree"] repo + tree <- writeTree repo ifM (cancommit tree) ( do sha <- commitTree commitmode message parentrefs tree repo @@ -185,6 +185,19 @@ commitAlways :: CommitMode -> String -> Branch -> [Ref] -> Repo -> IO Sha commitAlways commitmode message branch parentrefs repo = fromJust <$> commit commitmode True message branch parentrefs repo +-- Throws exception if the index is locked, with an error message output by +-- git on stderr. +writeTree :: Repo -> IO Sha +writeTree repo = getSha "write-tree" $ + pipeReadStrict [Param "write-tree"] repo + +-- Avoids error output if the command fails due to eg, the index being locked. +writeTreeQuiet :: Repo -> IO (Maybe Sha) +writeTreeQuiet repo = extractSha <$> withNullHandle go + where + go nullh = pipeReadStrict' (\p -> p { std_err = UseHandle nullh }) + [Param "write-tree"] repo + commitTree :: CommitMode -> String -> [Ref] -> Ref -> Repo -> IO Sha commitTree commitmode message parentrefs tree repo = getSha "commit-tree" $ |