parametrize the install scripts

Dockerfile

@@ -46,6 +46,8 @@ ARG KTLINT_VERSION='0.47.1'
 ARG PSSA_VERSION='1.21.0'
 ARG PWSH_DIRECTORY='/usr/lib/microsoft/powershell'
 ARG PWSH_VERSION='v7.3.1'
+# https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope
+ARG TARGETARCH
 
 ####################
 # Run APK installs #
@@ -235,6 +237,8 @@ ARG BUILD_REVISION
 ARG BUILD_VERSION
 ## install alpine-pkg-glibc (glibc compatibility layer package for Alpine Linux)
 ARG GLIBC_VERSION='2.34-r0'
+# https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope
+ARG TARGETARCH
 
 #########################################
 # Label the instance and set maintainer #
@@ -356,6 +360,8 @@ ENTRYPOINT ["/action/lib/linter.sh"]
 # Grab small clean image to build standard ###############################
 ################################################################################
 FROM slim as standard
+# https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope
+ARG TARGETARCH
 
 ###############
 # Set up args #

scripts/install-ktlint.sh

@@ -2,6 +2,19 @@
 
 set -euo pipefail
 
+case $TARGETARCH in
+amd64)
+  target=x64
+  ;;
+arm64)
+  target=arm64
+  ;;
+*)
+  echo "$TARGETARCH is not supported"
+  exit 1
+  ;;
+esac
+
 ##################
 # Install ktlint #
 ##################
@@ -33,10 +46,10 @@ curl --retry 5 --retry-delay 5 -sL -o "glibc-${GLIBC_VERSION}.apk" \
 apk add --no-cache --force-overwrite "glibc-${GLIBC_VERSION}.apk"
 rm "glibc-${GLIBC_VERSION}.apk"
 
-curl --retry 5 --retry-delay 5 -sO "https://storage.googleapis.com/dart-archive/channels/stable/release/${DART_VERSION}/sdk/dartsdk-linux-x64-release.zip"
+curl --retry 5 --retry-delay 5 -sO "https://storage.googleapis.com/dart-archive/channels/stable/release/${DART_VERSION}/sdk/dartsdk-linux-${target}-release.zip"
-unzip -q dartsdk-linux-x64-release.zip
+unzip -q dartsdk-linux-${target}-release.zip
 chmod +x dart-sdk/bin/dart* && mv dart-sdk/bin/* /usr/bin/ && mv dart-sdk/lib/* /usr/lib/ && mv dart-sdk/include/* /usr/include/
-rm -r dart-sdk/ dartsdk-linux-x64-release.zip
+rm -r dart-sdk/ dartsdk-linux-${target}-release.zip
 
 ################################
 # Create and install Bash-Exec #

scripts/install-phive.sh

@@ -3,6 +3,19 @@
 set -euo pipefail
 set -x
 
+case $TARGETARCH in
+amd64)
+  target=x86_64
+  ;;
+arm64)
+  target=aarch64
+  ;;
+*)
+  echo "$TARGETARCH is not supported"
+  exit 1
+  ;;
+esac
+
 apk add curl jq
 url=$(curl -s \
   -H "Accept: application/vnd.github+json" \
@@ -23,7 +36,7 @@ apk add --no-cache --force-overwrite \
   tar zstd
 rm "glibc-${GLIBC_VERSION}.apk"
 mkdir /tmp/libz
-curl --retry 5 --retry-delay 5 -sL https://www.archlinux.org/packages/core/x86_64/zlib/download | tar -x --zstd -C /tmp/libz
+curl --retry 5 --retry-delay 5 -sL https://www.archlinux.org/packages/core/${target}/zlib/download | tar -x --zstd -C /tmp/libz
 mv /tmp/libz/usr/lib/libz.so* /usr/glibc-compat/lib
 rm -rf /tmp/libz
 curl --retry 5 --retry-delay 5 -sLO https://phar.io/releases/phive.phar

scripts/install-pwsh.sh

@@ -6,12 +6,24 @@ set -euo pipefail
 # Slightly modified to always retrieve latest stable Powershell version
 # If changing PWSH_VERSION='latest' to a specific version, use format PWSH_VERSION='tags/v7.0.2'
 
+case $TARGETARCH in
+amd64)
+  target=x64
+  ;;
+# arm64)
+# only on ubuntu
+*)
+  echo "$TARGETARCH is not supported"
+  exit 1
+  ;;
+esac
+
 mkdir -p "${PWSH_DIRECTORY}"
 url=$(curl -s \
   -H "Accept: application/vnd.github+json" \
   -H "Authorization: Bearer $(cat /run/secrets/GITHUB_TOKEN)" \
   "https://api.github.com/repos/powershell/powershell/releases/${PWSH_VERSION}" |
-  jq -r '.assets | .[] | select(.name | contains("linux-alpine-x64")) | .url')
+  jq --arg target "${target}" -r '.assets | .[] | select(.name | contains("linux-alpine-" + $target)) | .url')
 curl --retry 5 --retry-delay 5 -sL \
   -H "Accept: application/octet-stream" \
   -H "Authorization: Bearer $(cat /run/secrets/GITHUB_TOKEN)" \

scripts/install-rustfmt.sh

@@ -2,17 +2,32 @@
 # shellcheck disable=SC2016
 # shellcheck disable=SC2129
 
+# https://doc.rust-lang.org/rustc/platform-support.html
+
 set -euo pipefail
 
+case $TARGETARCH in
+amd64)
+  target=x86_64
+  ;;
+arm64)
+  target=aarch64
+  ;;
+*)
+  echo "$TARGETARCH is not supported"
+  exit 1
+  ;;
+esac
+
 ln -s /usr/bin/rustup-init /usr/bin/rustup
-rustup toolchain install stable-x86_64-unknown-linux-musl
+rustup toolchain install stable-${target}-unknown-linux-musl
-rustup component add rustfmt --toolchain=stable-x86_64-unknown-linux-musl
+rustup component add rustfmt --toolchain=stable-${target}-unknown-linux-musl
-rustup component add clippy --toolchain=stable-x86_64-unknown-linux-musl
+rustup component add clippy --toolchain=stable-${target}-unknown-linux-musl
 mv /root/.rustup /usr/lib/.rustup
-ln -fsv /usr/lib/.rustup/toolchains/stable-x86_64-unknown-linux-musl/bin/rustfmt /usr/bin/rustfmt
+ln -fsv /usr/lib/.rustup/toolchains/stable-${target}-unknown-linux-musl/bin/rustfmt /usr/bin/rustfmt
-ln -fsv /usr/lib/.rustup/toolchains/stable-x86_64-unknown-linux-musl/bin/rustc /usr/bin/rustc
+ln -fsv /usr/lib/.rustup/toolchains/stable-${target}-unknown-linux-musl/bin/rustc /usr/bin/rustc
-ln -fsv /usr/lib/.rustup/toolchains/stable-x86_64-unknown-linux-musl/bin/cargo /usr/bin/cargo
+ln -fsv /usr/lib/.rustup/toolchains/stable-${target}-unknown-linux-musl/bin/cargo /usr/bin/cargo
-ln -fsv /usr/lib/.rustup/toolchains/stable-x86_64-unknown-linux-musl/bin/cargo-clippy /usr/bin/cargo-clippy
+ln -fsv /usr/lib/.rustup/toolchains/stable-${target}-unknown-linux-musl/bin/cargo-clippy /usr/bin/cargo-clippy
 
 echo '#!/usr/bin/env bash' >/usr/bin/clippy
 echo 'pushd $(dirname $1)' >>/usr/bin/clippy