print the outcome of a step in github actions job - github

Question

I'm trying to upload an artifact that logs the result of a mvn build. the code will explain better:
jobs:
job1:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout#v2
...
- name: mvn-build
continue-on-error: true
run: |
mvn package ...
# This doesn't work because on mvn fail - the step is terminated with an error signal > 0
STATUS=$?
if [ $STATUS -eq 0 ]; then
echo 1 > runs/log.txt
else
echo 0 > runs/log.txt
fi
# This part does create the file (upload-artifact#v1) but the with an empty content
- name: print-result
env:
OUTCOME: ${{ steps.mvn-build.outcome }}
run: |
echo "$OUTCOME" > runs/log.txt

Answer 1

The job terminates because a command exits with a nonzero code. Just don't run that command at top level and you'll be fine!
jobs:
job1:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout#v2
...
- name: mvn-build
continue-on-error: true
run: |
if mvn package ... ; then
echo 1 > runs/log.txt
else
echo 0 > runs/log.txt
fi
# This part does create the file (upload-artifact#v1) but the with an empty content
- name: print-result
env:
OUTCOME: ${{ steps.mvn-build.outcome }}
run: |
echo "$OUTCOME" > runs/log.txt
more information on this bash behavior here: https://unix.stackexchange.com/a/22728/178425