Add unzip and timezone

.ci/check-environment.sh

@@ -44,6 +44,7 @@ case "$(uname)" in
         check "ssh" "ssh -V" "OpenSSH"
         check "git" "git --version" "git version"
         check "mvn" "mvn --version" "Apache Maven"
+        check "unzip" "unzip --version" "UnZip"
         #check "7z" "7z -version" "7-Zip"
         ;;
     Darwin*)

.ci/docker_ubuntu18.04/Dockerfile

@@ -1,10 +1,11 @@
 # https://hub.docker.com/_/ubuntu/
 FROM ubuntu:18.04
 
+ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get upgrade --yes && \
     apt-get install --yes curl jq gpg rsync ssh git p7zip-full openjdk-8-jdk \
                       libgdbm-dev libncurses5-dev automake libtool bison libffi-dev \
-                      sudo nano bash && \
+                      sudo nano bash tzdata unzip && \
     apt-get clean
 RUN cd opt && \
     curl https://mirror.checkdomain.de/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz | tar xz && \
@@ -14,7 +15,7 @@ RUN groupadd --gid 1000 pmd-ci && useradd --gid 1000 --uid 1000 --groups sudo \
              --shell /bin/bash --create-home --password "" \
              pmd-ci
 
-RUN mkdir /workspaces && chown pmd-ci:pmd-ci /workspaces && ln -sf /workspaces /home/pmd-ci/workspaces
+RUN mkdir -p /workspaces/pmd/pmd && chown -R pmd-ci:pmd-ci /workspaces && ln -sf /workspaces /home/pmd-ci/workspaces
 
 USER pmd-ci:pmd-ci
 WORKDIR /home/pmd-ci