Add coverage build to travis.

.github/workflows/haskell.yml

@@ -28,6 +28,7 @@ jobs:
       BUILD: ${{ matrix.build }}
       GHCVER: ${{ matrix.ghc_version }}
       CABAL_BUILD_OPTIONS: ${{ matrix.cabal_build_options }}
+      CABAL_PROJECT: ${{ matrix.cabal_project }}
       DISABLE_DOCS: ${{ matrix.disable_docs }}
 
     runs-on: ubuntu-latest
@@ -40,11 +41,11 @@ jobs:
           - name: 8.10.1+inspection+Werror
             ghc_version: 8.10.1
             build: cabal-v2
-            cabal_build_options: "--project-file=cabal.project.ci"
+            cabal_project: cabal.project.ci
           - name: 8.8.3+inspection+Werror
             ghc_version: 8.8.3
             build: cabal-v2
-            cabal_build_options: "--project-file=cabal.project.ci"
+            cabal_project: cabal.project.ci
           - name: 8.6.5+streamk
             ghc_version: 8.6.5
             build: cabal-v2

.packcheck.ignore

@@ -0,0 +1,2 @@
+.packcheck.ignore
+cabal.project.coverage

.travis.yml

@@ -207,8 +207,9 @@ matrix:
   #   and then you can use any version of ghc.
   # --------------------------------------------------------------------------
 
-  #- env: BUILD=cabal-v1 COVERALLS_OPTIONS="--coverage-mode=StrictlyFullLines --exclude-dir=test test"
-  #  addons: {apt: {packages: [cabal-install-2.4,ghc-8.2.2], sources: [hvr-ghc]}}
+  - name: "GHC 8.10.1+inspection+Werror+coverage"
+    env: BUILD=cabal-v2 COVERALLS_OPTIONS=" --repo-token=\"$REPO_TOKEN\" --coverage-mode=StrictlyFullLines --exclude-dir=test" CABAL_PROJECT="cabal.project.coverage" GHC_OPTIONS=""
+    addons: {apt: {packages: [cabal-install-3.2,ghc-8.10.1], sources: [hvr-ghc]}}
 
   # --------------------------------------------------------------------------
   # Builds that are allowed to fail

cabal.project.coverage

@@ -0,0 +1,19 @@
+packages:
+  ./
+
+source-repository-package
+  type: git
+  location: https://github.com/composewell/hpc-coveralls
+  tag: d05f0c68aabec6120f8a96a9b5181b21a8f364df
+
+package hpc-coveralls
+  tests: false
+
+package streamly
+  ghc-options: -Werror
+  flags: inspection
+  coverage: true
+
+package streamly-benchmarks
+  ghc-options: -Werror
+  flags: inspection