summaryrefslogtreecommitdiff
path: root/src/Propellor/Property/File.hs
diff options
context:
space:
mode:
Diffstat (limited to 'src/Propellor/Property/File.hs')
-rw-r--r--src/Propellor/Property/File.hs6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/Propellor/Property/File.hs b/src/Propellor/Property/File.hs
index 869fa48b..459fe2c7 100644
--- a/src/Propellor/Property/File.hs
+++ b/src/Propellor/Property/File.hs
@@ -20,6 +20,12 @@ f `hasContent` newcontent = fileProperty
(\_oldcontent -> newcontent) f
-- | Ensures that a line is present in a file, adding it to the end if not.
+--
+-- For example:
+--
+-- > & "/etc/default/daemon.conf" `File.containsLine` ("cachesize = " ++ val 1024)
+--
+-- The above example uses `val` to serialize a `ConfigurableValue`
containsLine :: FilePath -> Line -> Property UnixLike
f `containsLine` l = f `containsLines` [l]