Add code coverage measuring

.github/workflows/test.yml

@@ -25,7 +25,7 @@ jobs:
           args: kcov --include-path src/ codecov/ ./test/bats/bin/bats test/
       - uses: actions/upload-artifact@v3
         with:
-          name: code-coverage-report-${GITHUB_RUN_ID}
+          name: raw-code-coverage-report
           path: codecov/
 
   coverage:
@@ -36,22 +36,15 @@ jobs:
     steps:
       - uses: actions/download-artifact@v3
         with:
-          name: code-coverage-report-${GITHUB_RUN_ID}
+          name: raw-code-coverage-report
           path: codecov/
+      # https://github.com/particleflux/kcov-bats-circleci-codeclimate/blob/master/.circleci/config.yml
       - run: |
-          xml="$(ls -1 codecov/bats*/cobertura.xml | head -1)"
-          json="$(ls -1 codecov/bats*/coverage.json | head -1)"
-
-          # removing trailing slash in cobertura <source>
-          # this works around an issue with the codeclimate formatter
-          sed -r "s#<source>(.+)/</source>#<source>\1</source>#" "$xml" > cobertura_tmp.xml
-
-          # make paths relative
-          sed -r "s#/github/workspace##" cobertura_tmp.xml > cobertura.xml
-          sed -r "s#/github/workspace##" "$json" > coverage.json
+          _re='s#"bats"#"src"#;s#/github/workspace/##;s#<source>(.+)/</source>#<source>/github/workspace/</source>#'
+          sed -r "$_re" "$(ls -1 codecov/bats*/cobertura.xml | head -1)" > coverage.xml
       - uses: codecov/codecov-action@v2
         # https://github.com/SimonKagstrom/kcov/blob/master/doc/codecov.md
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          files: ./cobertura.xml,./coverage.json
+          files: ./coverage.xml
           fail_ci_if_error: true

README.md

@@ -1,5 +1,6 @@
 [![Lint](https://github.com/danie1k/rsync-backup/actions/workflows/lint.yml/badge.svg)](https://github.com/danie1k/rsync-backup/actions/workflows/lint.yml)
 [![Test](https://github.com/danie1k/rsync-backup/actions/workflows/test.yml/badge.svg)](https://github.com/danie1k/rsync-backup/actions/workflows/test.yml)
+[![Code Coverage](https://codecov.io/gh/danie1k/rsync-backup/branch/master/graph/badge.svg?token=07IXMZ0DWO)](https://codecov.io/gh/danie1k/rsync-backup)
 [![MIT License](https://img.shields.io/github/license/danie1k/rsync-backup)](https://github.com/danie1k/rsync-backup/blob/master/LICENSE)
 
 # rsync-backup