test multiline

action.yml

@@ -67,6 +67,9 @@ inputs:
     description: 'Enable debug mode.'
   allenvs:
     description: 'pass all environment variable to shell script.'
+outputs:
+  stdout:
+    description: 'Standard output of the executed commands.'
 runs:
   using: 'docker'
   image: 'Dockerfile'

entrypoint.sh

@@ -1,7 +1,14 @@
 #!/bin/sh
 
 set -eu
+set -o pipefail
 
 export GITHUB="true"
 
-sh -c "/bin/drone-ssh $*"
+{
+    sh -c "/bin/drone-ssh $*"
+} | tee /tmp/outFile
+
+echo "stdout<<EOF" >> $GITHUB_OUTPUT
+cat /tmp/outFile >> $GITHUB_OUTPUT
+echo "EOF" >> $GITHUB_OUTPUT