Include benchmarks in CI by adding them to cabal.project

Otherwise, they will get evicted from CI when CI is regenerated.

.github/workflows/haskell-ci.yml

@@ -239,6 +239,7 @@ jobs:
           touch cabal.project
           echo "packages: $GITHUB_WORKSPACE/source/." >> cabal.project
           echo "packages: $GITHUB_WORKSPACE/source/testsuite" >> cabal.project
+          if [ $((HCNUMVER >= 80000 && HCNUMVER < 91000)) -ne 0 ] ; then echo "packages: $GITHUB_WORKSPACE/source/bench" >> cabal.project ; fi
           cat cabal.project
       - name: sdist
         run: |
@@ -254,21 +255,26 @@ jobs:
           echo "PKGDIR_stm=${PKGDIR_stm}" >> "$GITHUB_ENV"
           PKGDIR_testsuite="$(find "$GITHUB_WORKSPACE/unpacked" -maxdepth 1 -type d -regex '.*/testsuite-[0-9.]*')"
           echo "PKGDIR_testsuite=${PKGDIR_testsuite}" >> "$GITHUB_ENV"
+          PKGDIR_stm_bench="$(find "$GITHUB_WORKSPACE/unpacked" -maxdepth 1 -type d -regex '.*/stm-bench-[0-9.]*')"
+          echo "PKGDIR_stm_bench=${PKGDIR_stm_bench}" >> "$GITHUB_ENV"
           rm -f cabal.project cabal.project.local
           touch cabal.project
           touch cabal.project.local
           echo "packages: ${PKGDIR_stm}" >> cabal.project
           echo "packages: ${PKGDIR_testsuite}" >> cabal.project
+          if [ $((HCNUMVER >= 80000 && HCNUMVER < 91000)) -ne 0 ] ; then echo "packages: ${PKGDIR_stm_bench}" >> cabal.project ; fi
           if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "package stm" >> cabal.project ; fi
           if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods" >> cabal.project ; fi
           if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "package testsuite" >> cabal.project ; fi
           if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 80200 && HCNUMVER < 91000)) -ne 0 ] ; then echo "package stm-bench" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 80200 && HCNUMVER < 91000)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods" >> cabal.project ; fi
           cat >> cabal.project <<EOF
           EOF
           if $HEADHACKAGE; then
           echo "allow-newer: $($HCPKG list --simple-output | sed -E 's/([a-zA-Z-]+)-[0-9.]+/*:\1,/g')" >> cabal.project
           fi
-          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: $_ installed\n" unless /^(exceptions|filepath|stm|testsuite)$/; }' >> cabal.project.local
+          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: $_ installed\n" unless /^(exceptions|filepath|stm|stm-bench|testsuite)$/; }' >> cabal.project.local
           cat cabal.project
           cat cabal.project.local
       - name: dump install plan
@@ -296,6 +302,8 @@ jobs:
           ${CABAL} -vnormal check
           cd ${PKGDIR_testsuite} || false
           ${CABAL} -vnormal check
+          if [ $((HCNUMVER >= 80000 && HCNUMVER < 91000)) -ne 0 ] ; then cd ${PKGDIR_stm_bench} || false ; fi
+          if [ $((HCNUMVER >= 80000 && HCNUMVER < 91000)) -ne 0 ] ; then ${CABAL} -vnormal check ; fi
       - name: haddock
         run: |
           $CABAL v2-haddock --disable-documentation --haddock-all $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all

bench/stm-bench.cabal

@@ -6,13 +6,25 @@ synopsis:            External testsuite for stm package
 category:            Benchmarking
 license:             BSD-3-Clause
 maintainer:          [email protected]
-tested-with:         GHC==9.6.2, GHC==9.4.7, GHC==9.2.8, GHC==9.0.2, GHC==8.10.7, GHC==8.8.4, GHC==8.6.5, GHC==8.4.4, GHC==8.2.2, GHC==8.0.2
 description:
   The benchmarks are in a separate project to avoid cyclic dependencies.
 
+tested-with:
+  GHC == 9.8.2
+  GHC == 9.6.4
+  GHC == 9.4.8
+  GHC == 9.2.8
+  GHC == 9.0.2
+  GHC == 8.10.7
+  GHC == 8.8.4
+  GHC == 8.6.5
+  GHC == 8.4.4
+  GHC == 8.2.2
+  GHC == 8.0.2
+
 benchmark chanbench
     type:             exitcode-stdio-1.0
     main-is:          ChanBench.hs
-    build-depends:    base >= 4.9 && < 4.20, stm, async >= 2.0, tasty, tasty-bench
+    build-depends:    base >= 4.9 && < 4.21, stm, async >= 2.0, tasty, tasty-bench
     default-language: Haskell2010
     ghc-options:      -O2 -threaded -with-rtsopts=-N

cabal.project

@@ -1,4 +1,7 @@
-packages: . testsuite/
+packages: . testsuite/ bench/
 
 package testsuite
   tests: true
+
+package stm-bench
+  benchmarks: true