Allow configuring checkstyle version (#18)

* Add "checkstyle_version" config element to action

* Use the checkstyle version config option

* Add default checkstyle version inside Dockerfile

Use version 8.37 as a default

* Check checkstyle version

* Remove print of checkstyle version

Co-authored-by: Nikita <savinovnickita@gmail.com>

Co-authored-by: Nikita <savinovnickita@gmail.com>

Dockerfile

@@ -1,8 +1,9 @@
 FROM openjdk:8-alpine
 
 ENV REVIEWDOG_VERSION=v0.10.0
+ENV INPUT_CHECKSTYLE_VERSION=8.37
 
-RUN wget -O - -q https://github.com/checkstyle/checkstyle/releases/download/checkstyle-8.36.2/checkstyle-8.36.2-all.jar > /checkstyle.jar
+RUN wget -O - -q https://github.com/checkstyle/checkstyle/releases/download/checkstyle-${INPUT_CHECKSTYLE_VERSION}/checkstyle-${INPUT_CHECKSTYLE_VERSION}-all.jar > /checkstyle.jar
 RUN wget -O - -q https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh| sh -s -- -b /usr/local/bin/ ${REVIEWDOG_VERSION}
 RUN apk add --no-cache git
 COPY entrypoint.sh /entrypoint.sh

action.yml

@@ -28,6 +28,9 @@ inputs:
     description: 'Checkstyle config file'
     required: true
     default: 'google_checks.xml'
+  checkstyle_version:
+    description: 'Checkstyle version'
+    default: '8.37'
   workdir:
     description: 'Working directory relative to the root directory.'
     default: '.'