From bb46558401a50509936889d19de5144d0307e165 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roman=20Smr=C5=BE?= <roman.smrz@seznam.cz>
Date: Fri, 26 Apr 2024 22:38:52 +0200
Subject: MiniCI configuration and cabal flag

---
 .gitignore          |  1 +
 erebos-tester.cabal | 24 ++++++++++++++++++++++--
 minici.yaml         |  3 +++
 src/Version.hs      |  4 ++++
 4 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 minici.yaml

diff --git a/.gitignore b/.gitignore
index edc0c50..fa58281 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 dist-newstyle/
 .test
+.minici
diff --git a/erebos-tester.cabal b/erebos-tester.cabal
index 133d088..3c9adef 100644
--- a/erebos-tester.cabal
+++ b/erebos-tester.cabal
@@ -20,12 +20,29 @@ category:            Testing
 extra-doc-files:
     CHANGELOG.md
 
+flag ci
+    description:    Options for CI testing
+    default: False
+    manual: True
+
 source-repository head
     type:       git
     location:   git://erebosprotocol.net/tester
 
+common common
+    ghc-options:
+        -Wall
+        -fdefer-typed-holes
+
+    if flag(ci)
+        ghc-options:
+            -Werror
+            -- sometimes needed for backward/forward compatibility:
+            -Wno-error=unused-imports
+
 executable erebos-tester
-  ghc-options:         -Wall
+  import: common
+
   main-is:             Wrapper.hs
   -- other-modules:
   -- other-extensions:
@@ -39,7 +56,10 @@ executable erebos-tester
   default-language:    Haskell2010
 
 executable erebos-tester-core
-  ghc-options:         -Wall -threaded
+  import: common
+  ghc-options:
+        -threaded
+
   main-is:             Main.hs
 
   other-modules:       Config
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 ace016b..d09ed36 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
-- 
cgit v1.2.3