Make docker login to be configurable

action.yml

@@ -3,18 +3,18 @@ name: 'Scala SBT Action'
 author: 'Matan Keidar <[email protected]>'
 description: 'SBT build tool action with docker'
 inputs:
-  commands:  # id of input
+  command:  # id of input
     description: 'Commands to run'
     required: true
   docker-login-username:  # Docker login username
     description: 'docker login username'
-    required: true
+    required: false
   docker-login-password:  # Docker login password
     description: 'docker login password'
-    required: true
+    required: false
   docker-registry:  # Docker registry
     description: 'docker registry'
-    required: true
+    required: false
 runs:
   using: 'docker'
   image: 'Dockerfile'

entrypoint.sh

@@ -1,13 +1,21 @@
 #!/bin/sh
 
-sbt version
 set -x
+COMMAND=""
 
-DOCKER_USERNAME=$1
-DOCKER_PASSWORD=$2
-DOCKER_REGISTRY=$3
+if [[ -z ${1} || -z ${2} || -z ${3} ]]; then
+  echo "One or more variables are not defined, will run command"
+  COMMAND = $1
+else
+  DOCKER_USERNAME=$1
+  DOCKER_PASSWORD=$2
+  DOCKER_REGISTRY=$3
+  COMMAND=$4
+  echo "Running docker login into ${DOCKER_REGISTRY}"
 
-echo ${DOCKER_PASSWORD} | docker login -u ${DOCKER_USERNAME} --password-stdin ${DOCKER_REGISTRY}
+  echo ${DOCKER_PASSWORD} | docker login -u ${DOCKER_USERNAME} --password-stdin ${DOCKER_REGISTRY}
+fi
 
-$4
+echo "Running command"
+${COMMAND}