apply patches and fixes from similar actions

README.md

@@ -15,7 +15,6 @@ An example of how the reported Checkstyle violations will look on a pull request
 
 ![PR comment with violation](https://user-images.githubusercontent.com/6915328/149333188-4600a75d-5670-4013-9395-d5852e3c7839.png)
 
-
 ## Usage
 
 ```yaml
@@ -116,3 +115,9 @@ config for the [Sun coding conventions](https://www.oracle.com/java/technologies
   Additional reviewdog flags.
 
   **`Default:`** ``
+
+* ### `properties_file`
+
+  Properties file relative to the root directory.
+
+  **`Default:`** ``

action.yml

@@ -46,6 +46,10 @@ inputs:
       This field will always try to follow Checkstyle releases as close as possible and will use the latest available by default.
       If it is not a default preference for your project, please, pin the needed version using this property.
     default: "10.12.1"
+  properties_file:
+    description: |
+      Properties file relative to the root directory.
+    default: ''
 runs:
   using: "docker"
   image: "Dockerfile"

entrypoint.sh

@@ -1,23 +1,32 @@
 #!/bin/sh
+
+command -v reviewdog >/dev/null 2>&1 || { echo >&2 "reviewdog: not found"; exit 1; }
+
 set -e
 
 if [ -n "${GITHUB_WORKSPACE}" ] ; then
   cd "${GITHUB_WORKSPACE}" || exit
 fi
 
+if [ -n "${INPUT_PROPERTIES_FILE}" ]; then
+  OPT_PROPERTIES_FILE="-p ${INPUT_PROPERTIES_FILE}"
+fi
+
 export REVIEWDOG_GITHUB_API_TOKEN="${INPUT_GITHUB_TOKEN}"
 
 printenv
 ls
 
 # fetch checkstyle of a requested version
+echo "Download Checkstyle v${INPUT_CHECKSTYLE_VERSION}"
 wget -O - -q "https://github.com/checkstyle/checkstyle/releases/download/checkstyle-${INPUT_CHECKSTYLE_VERSION}/checkstyle-${INPUT_CHECKSTYLE_VERSION}-all.jar" > /checkstyle.jar
 
-exec java -jar /checkstyle.jar -c "${INPUT_CHECKSTYLE_CONFIG}" "${INPUT_WORKDIR}" -f xml \
+echo "Run Checkstyle check"
+exec java -jar /checkstyle.jar "${INPUT_WORKDIR}" -c "${INPUT_CHECKSTYLE_CONFIG}" ${OPT_PROPERTIES_FILE} -f xml \
   | reviewdog -f=checkstyle \
       -name="checkstyle" \
       -reporter="${INPUT_REPORTER:-github-pr-check}" \
-      -filter-mode="${INPUT_FILTER_MODE}" \
-      -fail-on-error="${INPUT_FAIL_ON_ERROR}" \
+      -filter-mode="${INPUT_FILTER_MODE:-added}" \
+      -fail-on-error="${INPUT_FAIL_ON_ERROR:-false}" \
       -level="${INPUT_LEVEL}" \
       ${INPUT_REVIEWDOG_FLAGS}