ci: add codecov

.build.yml

@@ -4,12 +4,16 @@ packages:
   - clang
   - meson
   - libdrm-dev
+  # Required by codecov
+  - gcovr
+  - bash
+  - findutils
 sources:
   - https://github.com/emersion/libliftoff
 tasks:
   - setup: |
       cd libliftoff
-      CC=gcc meson build-gcc/
+      CC=gcc meson build-gcc/ -Db_coverage=true
       CC=clang meson build-clang/
   - build-gcc: |
       cd libliftoff
@@ -23,3 +27,7 @@ tasks:
   - test-clang: |
       cd libliftoff
       ninja -C build-clang/ test
+  - upload-coverage: |
+      cd libliftoff/build-gcc
+      export CODECOV_TOKEN=ea488296-5f33-439f-a8c1-dc88a5ae9753
+      curl -s https://codecov.io/bash | sed 's/-execdir $gcov_exe/-exec $gcov_exe/' | bash -s -- -g '*/example/*' -g '*/test/*'