use manifest file instead of blindly removing the whole git-annex.linux directory
FIXME: dirContentsRecursive does not find empty directories
This commit is contained in:
Joey Hess
parent
919a301818
commit
4776e1d7b7
2 changed files with 56 additions and 39 deletions
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@ -34,6 +34,7 @@ import qualified Utility.Lsof as Lsof
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import qualified Data.Map as M
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import Data.Tuple.Utils
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import Data.Ord
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{- Upgrade without interaction in the webapp. -}
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unattendedUpgrade :: Assistant ()
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@ -119,56 +120,70 @@ distributionDownloadComplete d cleanup t
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-}
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upgradeToDistribution :: GitAnnexDistribution -> Assistant () -> FilePath -> Assistant ()
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upgradeToDistribution d cleanup f = do
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#ifdef darwin_HOST_OS
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{- OS X uses a dmg, so mount it, and copy the contents into place. -}
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error "TODO"
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#else
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{- Linux uses a tarball, so untar it (into a temp directory)
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- and move the directory into place. -}
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olddir <- parentDir <$> liftIO readProgramFile
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let topdir = parentDir olddir
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let newdir = topdir </> "git-annex.linux." ++ distributionVersion d
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liftIO $ void $ tryIO $ removeDirectoryRecursive newdir
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liftIO $ withTmpDirIn topdir "git-annex.upgrade" $ \tmpdir -> do
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let tarball = tmpdir </> "tar"
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-- Cannot rely on filename extension, and this also
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-- avoids problems if tar doesn't support transparent
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-- decompression.
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void $ boolSystem "sh"
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[ Param "-c"
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, Param $ "zcat < " ++ shellEscape f ++
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" > " ++ shellEscape tarball
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]
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tarok <- boolSystem "tar"
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[ Param "xf"
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, Param tarball
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, Param "--directory", File tmpdir
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]
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unless tarok $
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error $ "failed to untar " ++ f
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let unpacked = tmpdir </> "git-annex.linux"
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unlessM (doesDirectoryExist unpacked) $
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error $ "did not find git-annex.linux in " ++ f
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renameDirectory unpacked newdir
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changeprogram $ newdir </> "git-annex"
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(program, deleteold) <- unpack
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changeprogram program
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cleanup
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prepUpgrade
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url <- runRestart
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{- At this point, the new assistant is fully running, so
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- it's safe to delete the old version. To make sure we don't
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- delete something we shouldn't, only delete it if
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- "git-annex.linux" is in the name.
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- This could fail, if the user cannot write to it (unlikely) -}
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liftIO $ when ("git-annex.linux" `isPrefixOf` takeFileName olddir) $
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void $ removeDirectoryRecursive olddir
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- it's safe to delete the old version. -}
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liftIO deleteold
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postUpgrade url
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#endif
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where
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changeprogram program = liftIO $ do
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unlessM (boolSystem program [Param "version"]) $
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error "New git-annex program failed to run! Not using."
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pf <- programFile
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liftIO $ writeFile pf program
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#ifdef darwin_HOST_OS
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{- OS X uses a dmg, so mount it, and copy the contents into place. -}
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unpack = do
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error "TODO OSX upgrade code"
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#else
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{- Linux uses a tarball (so could other POSIX systems), so
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- untar it (into a temp directory) and move the directory
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- into place. -}
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unpack = liftIO $ do
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olddir <- parentDir <$> readProgramFile
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let topdir = parentDir olddir
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let newdir = topdir </> "git-annex.linux." ++ distributionVersion d
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whenM (doesDirectoryExist newdir) $
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error $ "upgrade destination directory " ++ newdir ++ "already exists; not overwriting"
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withTmpDirIn topdir "git-annex.upgrade" $ \tmpdir -> do
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let tarball = tmpdir </> "tar"
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-- Cannot rely on filename extension, and this also
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-- avoids problems if tar doesn't support transparent
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-- decompression.
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void $ boolSystem "sh"
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[ Param "-c"
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, Param $ "zcat < " ++ shellEscape f ++
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" > " ++ shellEscape tarball
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]
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tarok <- boolSystem "tar"
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[ Param "xf"
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, Param tarball
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, Param "--directory", File tmpdir
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]
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unless tarok $
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error $ "failed to untar " ++ f
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let unpacked = tmpdir </> "git-annex.linux"
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unlessM (doesDirectoryExist unpacked) $
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error $ "did not find git-annex.linux in " ++ f
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renameDirectory unpacked newdir
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return (newdir </> "git-annex", deleteFromManifest olddir)
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#endif
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deleteFromManifest :: FilePath -> IO ()
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deleteFromManifest dir = do
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fs <- map (dir </>) . lines <$> catchDefaultIO "" (readFile manifest)
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mapM_ nukeFile fs
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nukeFile manifest
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mapM_ nukedir =<< sortBy (comparing length) <$> dirContentsRecursive dir
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nukedir dir
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where
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manifest = dir </> "git-annex.MANIFEST"
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nukedir = void . tryIO . removeDirectory
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{- This is a file that the UpgradeWatcher can watch for modifications to
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- detect when git-annex has been upgraded.
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2
Makefile
2
Makefile
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@ -134,6 +134,7 @@ linuxstandalone: Build/Standalone
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rm -f "$(LINUXSTANDALONE_DEST)/libdirs.tmp"
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cd tmp/git-annex.linux && find . -type f > git-annex.MANIFEST
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cd tmp/git-annex.linux && find . -type l >> git-annex.MANIFEST
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cd tmp && tar czf git-annex-standalone-$(shell dpkg --print-architecture).tar.gz git-annex.linux
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OSXAPP_DEST=tmp/build-dmg/git-annex.app
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@ -159,6 +160,7 @@ osxapp: Build/Standalone Build/OSXMkLibs
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./Build/OSXMkLibs $(OSXAPP_BASE)
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cd $(OSXAPP_DEST) && find . -type f > Contents/MacOS/bundle/git-annex.MANIFEST
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cd $(OSXAPP_DEST) && find . -type l >> Contents/MacOS/bundle/git-annex.MANIFEST
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rm -f tmp/git-annex.dmg
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hdiutil create -format UDBZ -srcfolder tmp/build-dmg \
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-volname git-annex -o tmp/git-annex.dmg
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