UTEST: Refine coverage script.

Author: winlinvip

.github/workflows/test.yml

@@ -129,7 +129,9 @@ jobs:
           SRS_BRANCH=$(echo ${{ github.ref }}| awk -F 'refs/heads/' '{print $2}'| awk -F '/' '{print $1}')
           # The github.ref is, for example, refs/pull/2536/merge
           SRS_PR=$(echo ${{ github.ref }}| awk -F 'refs/pull/' '{print $2}'| awk -F '/' '{print $1}')
-          echo "For ref=${{ github.ref }}, sha=${{ github.sha }}, SRS_BRANCH=$SRS_BRANCH, SRS_PR=$SRS_PR, SRS_SHA=$SRS_SHA, SRS_PROJECT=$SRS_PROJECT"
+          #
+          echo "For github.ref=${{ github.ref }}, github.sha=${{ github.sha }}"
+          echo "SRS_BRANCH=$SRS_BRANCH, SRS_PR=$SRS_PR, SRS_SHA=$SRS_SHA, SRS_PROJECT=$SRS_PROJECT"
           docker run --rm --env CODECOV_TOKEN=$CODECOV_TOKEN \
             --env SRS_BRANCH=$SRS_BRANCH --env SRS_PR=$SRS_PR --env SRS_SHA=$SRS_SHA --env SRS_PROJECT=$SRS_PROJECT \
             srs:cov bash -c 'make utest && ./objs/srs_utest && bash auto/codecov.sh'