YETUS-901. Update Haskell compiler so that shellcheck 0.7.0 compiles (#69)
diff --git a/precommit/src/main/shell/test-patch-docker/Dockerfile b/precommit/src/main/shell/test-patch-docker/Dockerfile
index ec7430b..6b4eee9 100644
--- a/precommit/src/main/shell/test-patch-docker/Dockerfile
+++ b/precommit/src/main/shell/test-patch-docker/Dockerfile
@@ -44,6 +44,7 @@
apt-transport-https \
ca-certificates \
curl \
+ dirmngr \
git \
libffi-dev \
locales \
@@ -217,13 +218,15 @@
# NOTE: A bunch of stuff is removed to shrink the size of the Docker image
# Be very careful changing the code here, layer size may grow very large!
####
-RUN apt-get -q update && apt-get -q install --no-install-recommends -y cabal-install \
+RUN add-apt-repository -y ppa:hvr/ghc
+RUN apt-get -q update \
+ && apt-get -q install --no-install-recommends -y cabal-install-3.0 ghc-8.6.5 \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/* \
- && cabal update \
- && cabal install -j ShellCheck \
+ && PATH=/opt/ghc/bin:${PATH} cabal update \
+ && PATH=/opt/ghc/bin:${PATH} cabal install -j ShellCheck \
&& cp -p /root/.cabal/bin/shellcheck /usr/local/bin/shellcheck \
- && apt remove -y ghc cabal-install \
+ && apt remove -y cabal-install-3.0 ghc-8.6.5 \
&& apt autoremove -y \
&& rm -rf /root/.cabal
