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authorJoey Hess2017-07-05 16:46:36 -0400
committerJoey Hess2017-07-05 16:46:36 -0400
commit36671f5c992905aa71722b16d800313f60a02622 (patch)
treeb53b03ce18732be50a8268b624bc688439dac5ec /src/Propellor
parentf9f1158c0c0fc173045ec7bb7fcbacdd76b24ffd (diff)
add Overwrite configuration
Diffstat (limited to 'src/Propellor')
-rw-r--r--src/Propellor/Property/XFCE.hs14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/Propellor/Property/XFCE.hs b/src/Propellor/Property/XFCE.hs
index a1b9d7d7..e0c062ae 100644
--- a/src/Propellor/Property/XFCE.hs
+++ b/src/Propellor/Property/XFCE.hs
@@ -15,13 +15,12 @@ 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.
---
--- If the user subsequently modifies their panel, their modifications will
--- not be overwritten by this property.
-defaultPanelFor :: User -> Property DebianLike
-defaultPanelFor u@(User username) = property' desc $ \w -> do
+defaultPanelFor :: User -> Overwrite -> Property DebianLike
+defaultPanelFor u@(User username) overwrite = property' desc $ \w -> do
home <- liftIO $ User.homedir u
ensureProperty w (go home)
where
@@ -31,10 +30,13 @@ defaultPanelFor u@(User username) = property' desc $ \w -> do
-- This location is probably Debian-specific.
defcf = "/etc/xdg/xfce4/panel/default.xml"
go :: FilePath -> Property DebianLike
- go home = tightenTargets $ check (not <$> doesFileExist cf) $
+ 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