From 48df4ccc79b45318844d3a7f72592c7d008bded0 Mon Sep 17 00:00:00 2001
From: Glenn <glenux@glenux.net>
Date: Thu, 2 Nov 2023 12:41:59 +0100
Subject: [PATCH] feat: improve crossbuild scripts

---
 scripts/ci.crossbuild-debian.sh       | 11 ++++
 scripts/compiler.crossbuild-debian.sh | 86 +++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100755 scripts/compiler.crossbuild-debian.sh

diff --git a/scripts/ci.crossbuild-debian.sh b/scripts/ci.crossbuild-debian.sh
index 379052c..cfa6189 100755
--- a/scripts/ci.crossbuild-debian.sh
+++ b/scripts/ci.crossbuild-debian.sh
@@ -59,6 +59,17 @@ docker run \
   multiarch/qemu-user-static \
   --reset -p yes
 
+set -x
+docker run \
+  -it \
+  -v "$LOCAL_PROJECT_PATH:/app" \
+  -w /app \
+  --rm \
+  --platform linux/arm64 \
+  "$DOCKER_IMAGE"
+
+exit 0
+
 set -x
 docker run \
   -it \
diff --git a/scripts/compiler.crossbuild-debian.sh b/scripts/compiler.crossbuild-debian.sh
new file mode 100755
index 0000000..54d8a6e
--- /dev/null
+++ b/scripts/compiler.crossbuild-debian.sh
@@ -0,0 +1,86 @@
+#!/bin/sh -eu
+# vim: set ts=2 sw=2 et:
+
+LOCAL_PROJECT_PATH="${1-$PWD}"
+
+TARGET_ARCH="${2-arm64}"
+
+DOCKER_IMAGE=""
+
+BUILD_COMMAND=" \
+  shards build --static --release \
+  && chown 1000:1000 -R bin \
+  && find bin -type f -maxdepth 1 -exec mv {} {}_${TARGET_ARCH} \; \
+"
+
+# crystal
+INSTALL_CRYSTAL=" \
+  sed -i -e '/^deb/d' /etc/apt/sources.list \
+  && sed -i -e '/jessie.updates/d' /etc/apt/sources.list \
+  && sed -i -e 's/^# deb/deb/' /etc/apt/sources.list \
+  && apt-get update"
+
+cat > /dev/null <<EOF
+"
+  && apt-get install -y \
+    g\+\+ \
+    gcc \
+    curl \
+    autoconf \
+    automake \
+    python2 \
+    libxml2-dev \
+    llvm-dev \
+    make \
+    libssl-dev \
+    libpcre2-dev \
+    libyaml-dev \
+    zlib1g-dev \
+"
+EOF
+
+# setup arch
+case "$TARGET_ARCH" in
+  amd64) DOCKER_IMAGE="debian:8" ;;
+  arm64) DOCKER_IMAGE="arm64v8/debian:8" ;;
+  armel) DOCKER_IMAGE="arm32v7/debian" ;;
+  armhf) DOCKER_IMAGE="armhf/debian" ;;
+  i386)  DOCKER_IMAGE="x86/debian" ;;
+  mips)  DOCKER_IMAGE="mips/debian" ;;
+  mipsel)  DOCKER_IMAGE="mipsel/debian" ;;
+  powerpc)  DOCKER_IMAGE="powerpc/debian" ;;
+  ppc64el)  DOCKER_IMAGE="ppc64el/debian" ;;
+  s390x)  DOCKER_IMAGE="s390x/debian" ;;
+esac
+
+# Compile Crystal project statically for target architecture
+docker pull multiarch/qemu-user-static
+
+docker run \
+  --rm \
+  --privileged \
+  multiarch/qemu-user-static \
+  --reset -p yes
+
+set -x
+docker run \
+  -it \
+  -v "$LOCAL_PROJECT_PATH:/app" \
+  -w /app \
+  --rm \
+  --platform linux/arm64 \
+  "$DOCKER_IMAGE" \
+  /bin/sh -c "$INSTALL_CRYSTAL && bash"
+
+exit 0
+
+set -x
+docker run \
+  -it \
+  -v "$LOCAL_PROJECT_PATH:/app" \
+  -w /app \
+  --rm \
+  --platform linux/arm64 \
+  "$DOCKER_IMAGE" \
+  /bin/sh -c "$INSTALL_CRYSTAL && $BUILD_COMMAND"
+