Honouring -d in CoreTemp

Fixes issue #115

2 files changed, 22 insertions, 7 deletions

diff --git a/news.md b/news.md
index a4b0fc3..86e5ab7 100644
--- a/news.md
+++ b/news.md
@@ -6,6 +6,20 @@ _New features_
 
   - New monitor `BatteryN`, a variant of `BatteryP` that lets you
     specify the name of the monitor in the template.
+  - Support for configuration file living in XDG_CONFIG_HOME (see
+    [github #99]).
+
+_Bug fixes_
+
+  - Honour the "-d" option in `CoreTemp` ([github #115])
+  - Fix for systems not supporting PCRE regular expressions: we use
+    now BCEs, so regex-compat should be enough everywhere (see
+    [github #117]).
+
+
+[github #99]: https://github.com/jaor/xmobar/issues/115
+[github #115]: https://github.com/jaor/xmobar/issues/115
+[github #117]: https://github.com/jaor/xmobar/issues/117
 
 ## Version 0.18 (June 5, 2013)
 
diff --git a/src/Plugins/Monitors/CoreTemp.hs b/src/Plugins/Monitors/CoreTemp.hs
index 2880751..c6f98da 100644
--- a/src/Plugins/Monitors/CoreTemp.hs
+++ b/src/Plugins/Monitors/CoreTemp.hs
@@ -34,10 +34,11 @@ coreTempConfig = mkMConfig
 -- Function retrieves monitor string holding the core temperature
 -- (or temperatures)
 runCoreTemp :: [String] -> Monitor String
-runCoreTemp _ = let path = ["/sys/bus/platform/devices/coretemp.",
-                            "/temp",
-                            "_input"]
-                    lbl  = Just ("_label", read . (dropWhile (not . isDigit)))
-                    divisor = 1e3 :: Double
-                    failureMessage = "CoreTemp: N/A"
-                in  checkedDataRetrieval failureMessage path lbl (/divisor) show
+runCoreTemp _ = do
+   dn <- getConfigValue decDigits
+   let path = ["/sys/bus/platform/devices/coretemp.", "/temp", "_input"]
+       lbl  = Just ("_label", read . (dropWhile (not . isDigit)))
+       divisor = 1e3 :: Double
+       failureMessage = "CoreTemp: N/A"
+       show' = showDigits (max 0 dn)
+   checkedDataRetrieval failureMessage path lbl (/divisor) show'