don't test GHC < 8.10 as they require old Ubuntu's where GitHub Actions fail miserably (wrong glibc version)

Author: ulysses4ever

.github/workflows/haskell-ci.yml

@@ -118,8 +118,8 @@ jobs:
           echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.2.0 -vnormal+nowrap" >> "$GITHUB_ENV"
           HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\d+)\.(\d+)\.(\d+)(\.(\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')
           echo "HCNUMVER=$HCNUMVER" >> "$GITHUB_ENV"
-          echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV"
-          echo "ARG_BENCH=--enable-benchmarks" >> "$GITHUB_ENV"
+          if [ $((HCNUMVER >= 80400)) -ne 0 ] ; then echo "ARG_TESTS=--enable-tests" >> "$GITHUB_ENV" ; else echo "ARG_TESTS=--disable-tests" >> "$GITHUB_ENV" ; fi
+          if [ $((HCNUMVER >= 80400)) -ne 0 ] ; then echo "ARG_BENCH=--enable-benchmarks" >> "$GITHUB_ENV" ; else echo "ARG_BENCH=--disable-benchmarks" >> "$GITHUB_ENV" ; fi
           echo "HEADHACKAGE=false" >> "$GITHUB_ENV"
           echo "ARG_COMPILER=--$HCKIND --with-compiler=$HC" >> "$GITHUB_ENV"
           echo "GHCJSARITH=0" >> "$GITHUB_ENV"
@@ -235,7 +235,7 @@ jobs:
           $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --write-ghc-environment-files=always
       - name: tests
         run: |
-          $CABAL v2-test $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --test-show-details=direct
+          if [ $((HCNUMVER >= 80400)) -ne 0 ] ; then $CABAL v2-test $ARG_COMPILER $ARG_TESTS $ARG_BENCH all --test-show-details=direct ; fi
       - name: docspec
         run: |
           if [ $((HCNUMVER >= 80400)) -ne 0 ] ; then $CABAL v2-build $ARG_COMPILER $ARG_TESTS $ARG_BENCH all ; fi
@@ -262,10 +262,10 @@ jobs:
           $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --constraint='rere +rere-intersection' all
       - name: constraint set no-cfg
         run: |
-          $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --constraint='rere -rere-cfg' all --dry-run
-          cabal-plan topo | sort
-          $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --constraint='rere -rere-cfg' --dependencies-only -j2 all
-          $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --constraint='rere -rere-cfg' all
+          if [ $((HCNUMVER >= 80400)) -ne 0 ] ; then $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --constraint='rere -rere-cfg' all --dry-run ; fi
+          if [ $((HCNUMVER >= 80400)) -ne 0 ] ; then cabal-plan topo | sort ; fi
+          if [ $((HCNUMVER >= 80400)) -ne 0 ] ; then $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --constraint='rere -rere-cfg' --dependencies-only -j2 all ; fi
+          if [ $((HCNUMVER >= 80400)) -ne 0 ] ; then $CABAL v2-build $ARG_COMPILER --disable-tests --disable-benchmarks --constraint='rere -rere-cfg' all ; fi
       - name: save cache
         uses: actions/cache/save@v4
         if: always()

cabal.haskell-ci

@@ -1,10 +1,10 @@
 branches:   master
-tests:      >=7.4
-benchmarks: >=7.4
+tests:      >=8.4
+benchmarks: >=8.4
 docspec:    >=8.4
 
 constraint-set no-cfg
-  ghc:         >=7.8
+  ghc:         >=8.4
   constraints: rere -rere-cfg
 
 constraint-set intersection