CI: limit tests to GHC < 9.4 because of doctest-parallel

Author: andreasabel

.github/workflows/haskell-ci.yml

@@ -146,7 +146,7 @@ jobs:
 
           HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\d+)\.(\d+)\.(\d+)(\.(\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')
           echo "HCNUMVER=$HCNUMVER" >> "$GITHUB_ENV"
-          if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV" ; else echo "ARG_TESTS=--disable-tests" >> "$GITHUB_ENV" ; fi
+          if [ $((HCNUMVER >= 80200 && HCNUMVER < 90400)) -ne 0 ] ; then echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV" ; else echo "ARG_TESTS=--disable-tests" >> "$GITHUB_ENV" ; fi
           echo "ARG_BENCH=--enable-benchmarks" >> "$GITHUB_ENV"
           if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "HEADHACKAGE=true" >> "$GITHUB_ENV" ; else echo "HEADHACKAGE=false" >> "$GITHUB_ENV" ; fi
           echo "ARG_COMPILER=--$HCKIND --with-compiler=$HC" >> "$GITHUB_ENV"
@@ -268,7 +268,7 @@ jobs:
           $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --write-ghc-environment-files=always
       - name: tests
         run: |
-          if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then $CABAL v2-test $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --test-show-details=direct ; fi
+          if [ $((HCNUMVER >= 80200 && HCNUMVER < 90400)) -ne 0 ] ; then $CABAL v2-test $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --test-show-details=direct ; fi
       - name: cabal check
         run: |
           cd ${PKGDIR_regex_tdfa} || false

cabal.haskell-ci

@@ -7,4 +7,6 @@ constraint-set mtl-2.3
   constraints: mtl >= 2.3, transformers >= 0.6
 
 -- doctest-parallel requires base >= 4.10
-tests: >= 8.2
+-- and does not support GHC 9.4 as of 2022-07-16
+-- <https://github.com/martijnbastiaan/doctest-parallel/issues/42>
+tests: >= 8.2 && < 9.4