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authorFélix Sipma2014-11-23 18:33:26 +0100
committerJoey Hess2014-11-23 14:37:49 -0400
commit6aa21366d57679f82fbaf96a90f93d2d1ac7f223 (patch)
tree5da8692c615013ec898ffb7cb157ed4e257d9d45
parent69eace8e9a9d4fb2c6193e9e44ea836bd0bf8ba4 (diff)
Group properties
Signed-off-by: Félix Sipma <felix.sipma@no-log.org>
-rw-r--r--propellor.cabal1
-rw-r--r--src/Propellor/Property/Group.hs14
2 files changed, 15 insertions, 0 deletions
diff --git a/propellor.cabal b/propellor.cabal
index a09a80d1..cd34d4bf 100644
--- a/propellor.cabal
+++ b/propellor.cabal
@@ -83,6 +83,7 @@ Library
Propellor.Property.Firewall
Propellor.Property.Git
Propellor.Property.Gpg
+ Propellor.Property.Group
Propellor.Property.Grub
Propellor.Property.Network
Propellor.Property.Nginx
diff --git a/src/Propellor/Property/Group.hs b/src/Propellor/Property/Group.hs
new file mode 100644
index 00000000..f03510cf
--- /dev/null
+++ b/src/Propellor/Property/Group.hs
@@ -0,0 +1,14 @@
+module Propellor.Property.Group where
+
+import Propellor
+
+type GID = Int
+
+exists :: GroupName -> Maybe GID -> Property
+exists group' mgid = check test (cmdProperty "addgroup" $ args mgid)
+ `describe` unwords ["group", group']
+ where
+ groupFile = "/etc/group"
+ test = not <$> elem group' <$> words <$> readProcess "cut" ["-d:", "-f1", groupFile]
+ args Nothing = [group']
+ args (Just gid) = ["--gid", show gid, group']