------------------------------------------------------------------------------ --- This module implements operations to update and change the --- package repository, i.e., the index of all packages known --- to the package manager. ------------------------------------------------------------------------------ module CPM.Repository.Update ( addPackageToRepository, updateRepository ) where import System.Directory import System.FilePath import Data.List ( isSuffixOf ) import Control.Monad import CPM.Config ( Config, packageInstallDir, packageIndexURLs , repositoryDir ) import CPM.ErrorLogger import CPM.Executables ( getCurlCmd ) import CPM.Package import CPM.Package.Helpers ( cleanPackage ) import CPM.FileUtil ( copyDirectory, quote, recreateDirectory , removeDirectoryComplete ) import CPM.Repository import CPM.Repository.CacheDB ( tryInstallRepositoryDB ) import CPM.Repository.Select ( addPackageToRepositoryCache , updatePackageInRepositoryCache ) ------------------------------------------------------------------------------ --- Updates the package index from the central Git repository. --- If the second argument is `True`, also the global package cache --- is cleaned in order to support downloading the newest versions. --- If the third argument is `True`, the global package index is recreated --- by downloading it from the central repository. --- If the fourth argument is `True`, the package database is created --- by reading the CSV file `REPOSITORY_CACHE.csv` downloaded from --- the tar files URL, otherwise by reading all package specifications. --- If the fifth argument is `True`, also a CSV file containing the --- database entries is written. updateRepository :: Config -> Bool -> Bool -> Bool -> Bool -> ErrorLogger () updateRepository cfg cleancache download usecache writecsv = do cleanRepositoryCache cfg when cleancache $ do logDebug $ "Deleting global package cache: '" ++ packageInstallDir cfg ++ "'" liftIOEL $ removeDirectoryComplete $ packageInstallDir cfg logDebug $ "Recreating package index: '" ++ repositoryDir cfg ++ "'" if download then do liftIOEL $ recreateDirectory $ repositoryDir cfg c <- inDirectoryEL (repositoryDir cfg) (tryDownload (packageIndexURLs cfg)) if c == 0 then finishUpdate else fail $ "Failed to update package index, return code " ++ show c else tryInstallRepositoryDB cfg usecache writecsv where tryDownload [] = return 1 tryDownload (url:urls) = do c <- downloadCommand url if c == 0 then return 0 else tryDownload urls downloadCommand piurl | ".git" `isSuffixOf` piurl = let qcmd q = unwords ["git clone", q, quote piurl, "."] in execQuietCmd (qcmd "-q") (qcmd "") | ".tar" `isSuffixOf` piurl = do let tarfile = "INDEX.tar" curlcmd <- getCurlCmd c1 <- showExecCmd $ unwords [curlcmd, "-o", tarfile, quote piurl] c2 <- showExecCmd $ unwords ["tar", "-xf", tarfile] liftIOEL $ removeFile tarfile return (c1 + c2) | ".tar.gz" `isSuffixOf` piurl = do let tarfile = "INDEX.tar.gz" curlcmd <- getCurlCmd c1 <- showExecCmd $ unwords [curlcmd, "-o", tarfile, quote piurl] c2 <- showExecCmd $ unwords ["tar", "-xzf", tarfile] liftIOEL $ removeFile tarfile return (c1 + c2) | otherwise = do logError $ "Unknown kind of package index URL: " ++ piurl return 1 finishUpdate = do setLastUpdate cfg cleanRepositoryCache cfg logInfo "Successfully downloaded repository index" tryInstallRepositoryDB cfg usecache writecsv --- Sets the date of the last update by touching README.md. setLastUpdate :: Config -> ErrorLogger () setLastUpdate cfg = do showExecCmd $ unwords ["touch", repositoryDir cfg "README.md"] return () ------------------------------------------------------------------------------ --- Adds a package stored in the given directory to the repository index. --- If the argument `force` is true, overwrite an already existing package. --- If the argument `cpdir` is true, copy also the complete directory --- into the local package installation store. addPackageToRepository :: Config -> String -> Bool -> Bool -> ErrorLogger () addPackageToRepository cfg pkgdir force cpdir = do dirExists <- liftIOEL $ doesDirectoryExist pkgdir if dirExists then do pkgSpec <- loadPackageSpec pkgdir copyPackage pkgSpec logInfo $ "Package in directory '" ++ pkgdir ++ "' installed into local repository" else logCritical $ "Directory '" ++ pkgdir ++ "' does not exist." where copyPackage pkg = do let pkgIndexDir = name pkg showVersion (version pkg) pkgRepositoryDir = repositoryDir cfg pkgIndexDir pkgInstallDir = packageInstallDir cfg packageId pkg exrepodir <- liftIOEL $ doesDirectoryExist pkgRepositoryDir when (exrepodir && not force) $ error $ "Package repository directory '" ++ pkgRepositoryDir ++ "' already exists!\n" expkgdir <- liftIOEL $ doesDirectoryExist pkgInstallDir when expkgdir $ if force then liftIOEL $ removeDirectoryComplete pkgInstallDir else error $ "Package installation directory '" ++ pkgInstallDir ++ "' already exists!\n" logInfo $ "Create directory: " ++ pkgRepositoryDir liftIOEL $ do createDirectoryIfMissing True pkgRepositoryDir copyFile (pkgdir packageSpecFile) (pkgRepositoryDir packageSpecFile) when cpdir $ do liftIOEL $ copyDirectory pkgdir pkgInstallDir inDirectoryEL pkgInstallDir $ cleanPackage cfg Debug if exrepodir then updatePackageInRepositoryCache cfg pkg else addPackageToRepositoryCache cfg pkg ------------------------------------------------------------------------------