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-rw-r--r--Branch.hs12
-rw-r--r--Command/Unused.hs63
-rw-r--r--Git.hs9
3 files changed, 52 insertions, 32 deletions
diff --git a/Branch.hs b/Branch.hs
index af3851635..92b1fe29e 100644
--- a/Branch.hs
+++ b/Branch.hs
@@ -26,7 +26,6 @@ import System.Directory
import Data.String.Utils
import System.Cmd.Utils
import Data.Maybe
-import Data.List
import System.IO
import System.IO.Binary
import System.Posix.Process
@@ -58,15 +57,6 @@ fullname = "refs/heads/" ++ name
originname :: GitRef
originname = "origin/" ++ name
-{- Converts a fully qualified git ref into a short version for human
- - consumptiom. -}
-shortref :: GitRef -> String
-shortref = remove "refs/heads/" . remove "refs/remotes/"
- where
- remove prefix s
- | prefix `isPrefixOf` s = drop (length prefix) s
- | otherwise = s
-
{- A separate index file for the branch. -}
index :: Git.Repo -> FilePath
index g = gitAnnexDir g </> "index"
@@ -209,7 +199,7 @@ updateRef ref
if null diffs
then return Nothing
else do
- showSideAction $ "merging " ++ shortref ref ++ " into " ++ name
+ showSideAction $ "merging " ++ Git.refDescribe ref ++ " into " ++ name
-- By passing only one ref, it is actually
-- merged into the index, preserving any
-- changes that may already be staged.
diff --git a/Command/Unused.hs b/Command/Unused.hs
index e629f9fb9..b15aa001a 100644
--- a/Command/Unused.hs
+++ b/Command/Unused.hs
@@ -16,7 +16,6 @@ import Data.Maybe
import System.FilePath
import System.Directory
import Data.List
-import Control.Applicative
import Command
import Types
@@ -76,9 +75,8 @@ checkRemoteUnused name = do
checkRemoteUnused' :: Remote.Remote Annex -> Annex ()
checkRemoteUnused' r = do
showAction "checking for unused data"
- referenced <- getKeysReferenced
remotehas <- filterM isthere =<< loggedKeys
- let remoteunused = remotehas `exclude` referenced
+ remoteunused <- excludeReferenced remotehas
let list = number 0 remoteunused
writeUnusedFile "" list
unless (null remoteunused) $ showLongNote $ remoteUnusedMsg r list
@@ -156,12 +154,40 @@ unusedKeys = do
else do
showAction "checking for unused data"
present <- getKeysPresent
- referenced <- getKeysReferenced
- let unused = present `exclude` referenced
+ unused <- excludeReferenced present
staletmp <- staleKeysPrune gitAnnexTmpDir present
stalebad <- staleKeysPrune gitAnnexBadDir present
return (unused, stalebad, staletmp)
+{- Finds keys in the list that are not referenced in the git repository. -}
+excludeReferenced :: [Key] -> Annex [Key]
+-- excludeReferenced [] = return [] -- optimisation
+excludeReferenced l = do
+ g <- Annex.gitRepo
+ c <- liftIO $ Git.pipeRead g [Param "show-ref"]
+ excludeReferenced'
+ (getKeysReferenced : (map getKeysReferencedInGit $ refs c))
+ (S.fromList l)
+ where
+ -- Skip the git-annex branches, and get all other unique refs.
+ refs = map last .
+ nubBy cmpheads .
+ filter ourbranches .
+ map words . lines
+ cmpheads a b = head a == head b
+ ourbranchend = "/" ++ Branch.name
+ ourbranches ws = not $ ourbranchend `isSuffixOf` last ws
+excludeReferenced' :: ([Annex [Key]]) -> S.Set Key -> Annex [Key]
+excludeReferenced' [] s = return $ S.toList s
+excludeReferenced' (a:as) s
+ -- | s == S.empty = return [] -- optimisation
+ | otherwise = do
+ referenced <- a
+ let !s' = remove referenced
+ excludeReferenced' as s'
+ where
+ remove l = s `S.difference` S.fromList l
+
{- Finds items in the first, smaller list, that are not
- present in the second, larger list.
-
@@ -180,29 +206,24 @@ getKeysReferenced = do
g <- Annex.gitRepo
files <- liftIO $ LsFiles.inRepo g [Git.workTree g]
keypairs <- mapM Backend.lookupFile files
- ingit <- getKeysReferencedInGit
- return $ concat [ingit, map fst $ catMaybes keypairs]
+ return $ map fst $ catMaybes keypairs
-{- List of keys referenced by symlinks in all git branches and tags. -}
-getKeysReferencedInGit :: Annex [Key]
-getKeysReferencedInGit = do
+{- List of keys referenced by symlinks in a git ref. -}
+getKeysReferencedInGit :: String -> Annex [Key]
+getKeysReferencedInGit ref = do
+ showAction $ "checking " ++ Git.refDescribe ref
g <- Annex.gitRepo
- c <- liftIO $ Git.pipeRead g [Param "show-ref"]
- -- Skip the git-annex branches, and get all other unique refs.
- let refs = nub $ map head $ filter ourbranches $ map words $ lines c
- concat <$> mapM (\r -> findkeys r [] =<< liftIO (LsTree.lsTree g r)) refs
+ findkeys [] =<< liftIO (LsTree.lsTree g ref)
where
- ourbranchend = "/" ++ Branch.name
- ourbranches ws = not $ ourbranchend `isSuffixOf` last ws
- findkeys _ c [] = return c
- findkeys ref c (l:ls) = do
+ findkeys c [] = return c
+ findkeys c (l:ls) = do
if isSymLink (LsTree.mode l)
then do
content <- catFile ref $ LsTree.file l
case fileKey (takeFileName content) of
- Nothing -> findkeys ref c ls
- Just k -> findkeys ref (k:c) ls
- else findkeys ref c ls
+ Nothing -> findkeys c ls
+ Just k -> findkeys (k:c) ls
+ else findkeys c ls
{- Looks in the specified directory for bad/tmp keys, and returns a list
- of those that might still have value, or might be stale and removable.
diff --git a/Git.hs b/Git.hs
index b5464859e..fe2afdcfe 100644
--- a/Git.hs
+++ b/Git.hs
@@ -20,6 +20,7 @@ module Git (
repoIsHttp,
repoIsLocalBare,
repoDescribe,
+ refDescribe,
repoLocation,
workTree,
workTreeFile,
@@ -171,6 +172,14 @@ repoDescribe Repo { location = Url url } = show url
repoDescribe Repo { location = Dir dir } = dir
repoDescribe Repo { location = Unknown } = "UNKNOWN"
+{- Converts a fully qualified git ref into a user-visible version -}
+refDescribe :: String -> String
+refDescribe = remove "refs/heads/" . remove "refs/remotes/"
+ where
+ remove prefix s
+ | prefix `isPrefixOf` s = drop (length prefix) s
+ | otherwise = s
+
{- Location of the repo, either as a path or url. -}
repoLocation :: Repo -> String
repoLocation Repo { location = Url url } = show url