[sc-39654] Add ghciwatch

Dockerfile

@@ -9,8 +9,6 @@ ARG BOOTSTRAP_HASKELL_MINIMAL=1
 ARG BOOTSTRAP_HASKELL_NONINTERACTIVE=1
 ENV GHCUP_INSTALL_BASE_PREFIX=/usr/local
 
-ADD install-tools.sh /install-tools.sh
-
 RUN apt-get update \
     && apt-get install -qq -y --no-install-recommends \
         curl build-essential git-all libffi-dev libffi8 libgmp-dev \
@@ -45,4 +43,6 @@ ARG CABAL_VERSION
 RUN ghcup install cabal $CABAL_VERSION --set
 
 ADD stack.yaml /stack.yaml
-RUN /bin/sh /install-tools.sh
+
+ADD install-tools.sh /install-tools.sh
+RUN bash /install-tools.sh

install-tools.sh

@@ -1,5 +1,16 @@
 set -o errexit
 
+arch=$(uname -m)
+if [[ $arch == x86_64 ]]; then
+  curl -Lo /usr/local/bin/ghciwatch "https://github.com/MercuryTechnologies/ghciwatch/releases/download/v1.0.1/ghciwatch-x86_64-linux"
+elif [[ $arch == aarch64 ]]; then
+  curl -Lo /usr/local/bin/ghciwatch "https://github.com/MercuryTechnologies/ghciwatch/releases/download/v1.0.1/ghciwatch-aarch64-linux"
+else
+  echo "install-tools.sh: Unknown architecture $arch"
+  exit 1
+fi
+chmod +x /usr/local/bin/ghciwatch
+
 stack install \
   --local-bin-path /usr/local/bin \
   weeder \