MiniCI configuration and cabal flag

3 files changed, 23 insertions, 1 deletions

diff --git a/minici.cabal b/minici.cabal
index f295d2b..a361cd3 100644
--- a/minici.cabal
+++ b/minici.cabal
@@ -20,9 +20,24 @@ maintainer:         roman.smrz@seznam.cz
 extra-doc-files:
     CHANGELOG.md
 
+flag ci
+    description:    Options for CI testing
+    default: False
+    manual: True
+
 executable minici
     main-is:          Main.hs
-    ghc-options:      -Wall -threaded
+
+    ghc-options:
+        -Wall
+        -threaded
+        -fdefer-typed-holes
+
+    if flag(ci)
+        ghc-options:
+            -Werror
+            -- sometimes needed for backward/forward compatibility:
+            -Wno-error=unused-imports
 
     -- Modules included in this executable, other than Main.
     other-modules:
diff --git a/minici.yaml b/minici.yaml
new file mode 100644
index 0000000..a3f87f5
--- /dev/null
+++ b/minici.yaml
@@ -0,0 +1,3 @@
+job build:
+  shell:
+    - cabal build -fci
diff --git a/src/Version.hs b/src/Version.hs
index d476912..322f8bd 100644
--- a/src/Version.hs
+++ b/src/Version.hs
@@ -1,5 +1,9 @@
 {-# LANGUAGE TemplateHaskell #-}
 
+-- "Pattern match is redundant" warning can be generated based on template
+-- haskell $$tGitVersion value
+{-# OPTIONS_GHC -Wno-error=overlapping-patterns #-}
+
 module Version (
     versionLine,
 ) where