action.yml

name: 'Process coverage data'
description: 'Process coverage data'

runs:
  using: "composite"
  steps:
    - name: "Build io and profiling packages if necessary"
      shell: bash
      run: |
        # the following somewhat awkward `cd` invocation ensures
        # compatibility with both GAP <= 4.11 (with package dir names like
        # `pkg/io-1.2.3`) and GAP >= 4.12 (where it is `pkg/io`)
        cd $GAPROOT/pkg/io || cd $GAPROOT/pkg/io-*
        if [[ ! -f config.status ]] ; then
          ./configure --with-gaproot=$GAPROOT
        fi
        make -j$(nproc)

        cd $GAPROOT/pkg/profiling || cd $GAPROOT/pkg/profiling-*
        if [[ ! -f Makefile ]] ; then
          if [[ -f configure.ac ]] ; then
            ./configure --with-gaproot=$GAPROOT
          else
            ./configure $GAPROOT
          fi
        fi
        make -j$(nproc)

    - name: "Process coverage data"
      shell: bash
      run: |
        # generate library coverage reports
        $GAP -q <<GAPInput
        if LoadPackage("profiling") <> true then
          Exec("echo \"::error::Could not load profiling package\"");
          FORCE_QUIT_GAP(1);
        fi;
        d := Directory("coverage");
        covs := [];
        files := DirectoryContents(d);
        if files = fail then
          Exec("echo \"::warning::No coverage data found\"");
          QUIT_GAP(0);
        fi;
        for f in files do
          if f in [".", ".."] then continue; fi;
          Add(covs, Filename(d, f));
        od;
        Print("Merging coverage results from ", covs, "\n");
        r := MergeLineByLineProfiles(covs);;
        # filtered out unwanted other packages to avoid bad coverage interaction
        r.line_info := Filtered(r.line_info, x -> not StartsWith( x[1], "$GAPROOT/" ) );;
        Print("Outputting JSON\n");
        OutputJsonCoverage(r, "gap-coverage.json");
        QUIT_GAP(0);
        GAPInput

    - name: "generate source coverage reports by running gcov"
      shell: bash
      run: |
       find . -type f -name '*.gcno' -exec gcov -pb {} +