From 0d15c3f01a424e021481c9630441997c032cbc82 Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Wed, 5 Jul 2017 16:57:03 -0400 Subject: Added File.checkOverwrite. This commit was sponsored by Ethan Aubin. --- src/Propellor/Property/File.hs | 9 +++++++++ src/Propellor/Property/XFCE.hs | 20 +++++++------------- 2 files changed, 16 insertions(+), 13 deletions(-) (limited to 'src/Propellor/Property') diff --git a/src/Propellor/Property/File.hs b/src/Propellor/Property/File.hs index 8d10b94c..3293599a 100644 --- a/src/Propellor/Property/File.hs +++ b/src/Propellor/Property/File.hs @@ -307,3 +307,12 @@ readConfigFileName = readish . unescape Nothing -> '_' : ns ++ unescape cs' Just n -> chr n : unescape cs' unescape (c:cs) = c : unescape cs + +data Overwrite = OverwriteExisting | PreserveExisting + +-- | When passed PreserveExisting, only ensures the property when the file +-- does not exist. +checkOverwrite :: Overwrite -> FilePath -> (FilePath -> Property i) -> Property i +checkOverwrite OverwriteExisting f mkp = mkp f +checkOverwrite PreserveExisting f mkp = + check (not <$> doesFileExist f) (mkp f) diff --git a/src/Propellor/Property/XFCE.hs b/src/Propellor/Property/XFCE.hs index e0c062ae..6241326e 100644 --- a/src/Propellor/Property/XFCE.hs +++ b/src/Propellor/Property/XFCE.hs @@ -15,11 +15,9 @@ installedMin :: Property DebianLike installedMin = Apt.installedMin ["xfce4", "xfce4-terminal", "task-desktop"] `describe` "minimal XFCE desktop installed" -data Overwrite = OverwriteExisting | PreserveExisting - -- | Normally at first login, XFCE asks what kind of panel the user wants. -- This enables the default configuration noninteractively. -defaultPanelFor :: User -> Overwrite -> Property DebianLike +defaultPanelFor :: User -> File.Overwrite -> Property DebianLike defaultPanelFor u@(User username) overwrite = property' desc $ \w -> do home <- liftIO $ User.homedir u ensureProperty w (go home) @@ -30,13 +28,9 @@ defaultPanelFor u@(User username) overwrite = property' desc $ \w -> do -- This location is probably Debian-specific. defcf = "/etc/xdg/xfce4/panel/default.xml" go :: FilePath -> Property DebianLike - go home = tightenTargets $ checkoverwrite cf - cf `File.isCopyOf` defcf - `before` File.applyPath home basecf - (\f -> File.ownerGroup f u (userGroup u)) - `requires` Apt.installed ["xfce4-panel"] - where - cf = home basecf - checkoverwrite cf p = case overwrite of - OverwriteExisting -> p - PreserveExisting -> check (not <$> doesFileExist cf) p + go home = tightenTargets $ + File.checkOverwrite overwrite (home basecf) $ \cf -> + cf `File.isCopyOf` defcf + `before` File.applyPath home basecf + (\f -> File.ownerGroup f u (userGroup u)) + `requires` Apt.installed ["xfce4-panel"] -- cgit v1.2.3