#!/bin/bash
# shellcheck disable=SC1091 # The relative paths in this file only become valid at runtime.
# shellcheck disable=SC2034
# shellcheck disable=SC2086 # we want word splitting

. "$SCRIPTS_DIR"/setup-test-env.sh

BM=$CI_PROJECT_DIR/install/bare-metal
CI_COMMON=$CI_PROJECT_DIR/install/common

if [ -z "$BM_SERIAL" ] && [ -z "$BM_SERIAL_SCRIPT" ]; then
  echo "Must set BM_SERIAL OR BM_SERIAL_SCRIPT in your gitlab-runner config.toml [[runners]] environment"
  echo "BM_SERIAL:"
  echo "  This is the serial device to talk to for waiting for fastboot to be ready and logging from the kernel."
  echo "BM_SERIAL_SCRIPT:"
  echo "  This is a shell script to talk to for waiting for fastboot to be ready and logging from the kernel."
  exit 1
fi

if [ -z "$BM_POWERUP" ]; then
  echo "Must set BM_POWERUP in your gitlab-runner config.toml [[runners]] environment"
  echo "This is a shell script that should reset the device and begin its boot sequence"
  echo "such that it pauses at fastboot."
  exit 1
fi

if [ -z "$BM_POWERDOWN" ]; then
  echo "Must set BM_POWERDOWN in your gitlab-runner config.toml [[runners]] environment"
  echo "This is a shell script that should power off the device."
  exit 1
fi

if [ -z "$BM_FASTBOOT_SERIAL" ]; then
  echo "Must set BM_FASTBOOT_SERIAL in your gitlab-runner config.toml [[runners]] environment"
  echo "This must be the a stable-across-resets fastboot serial number."
  exit 1
fi

if [ -z "$BM_KERNEL" ]; then
  echo "Must set BM_KERNEL to your board's kernel vmlinuz or Image.gz in the job's variables:"
  exit 1
fi

if [ -z "$BM_DTB" ]; then
  echo "Must set BM_DTB to your board's DTB file in the job's variables:"
  exit 1
fi

if [ -z "$BM_ROOTFS" ]; then
  echo "Must set BM_ROOTFS to your board's rootfs directory in the job's variables:"
  exit 1
fi

if echo $BM_CMDLINE | grep -q "root=/dev/nfs"; then
  BM_FASTBOOT_NFSROOT=1
fi

section_start prepare_rootfs "Preparing rootfs components"

set -ex

# Clear out any previous run's artifacts.
rm -rf results/
mkdir -p results/

if [ -n "$BM_FASTBOOT_NFSROOT" ]; then
  # Create the rootfs in the NFS directory.  rm to make sure it's in a pristine
  # state, since it's volume-mounted on the host.
  rsync -a --delete $BM_ROOTFS/ /nfs/
  mkdir -p /nfs/results
  . $BM/rootfs-setup.sh /nfs

  # Root on NFS, no need for an inintramfs.
  rm -f rootfs.cpio.gz
  touch rootfs.cpio
  gzip rootfs.cpio
else
  # Create the rootfs in a temp dir
  rsync -a --delete $BM_ROOTFS/ rootfs/
  . $BM/rootfs-setup.sh rootfs

  # Finally, pack it up into a cpio rootfs.  Skip the vulkan CTS since none of
  # these devices use it and it would take up space in the initrd.

  if [ -n "$PIGLIT_PROFILES" ]; then
    EXCLUDE_FILTER="deqp|arb_gpu_shader5|arb_gpu_shader_fp64|arb_gpu_shader_int64|glsl-4.[0123456]0|arb_tessellation_shader"
  else
    EXCLUDE_FILTER="piglit|python"
  fi

  pushd rootfs
  find -H . | \
    grep -E -v "external/(openglcts|vulkancts|amber|glslang|spirv-tools)" |
    grep -E -v "traces-db|apitrace|renderdoc" | \
    grep -E -v $EXCLUDE_FILTER | \
    cpio -H newc -o | \
    xz --check=crc32 -T4 - > $CI_PROJECT_DIR/rootfs.cpio.gz
  popd
fi

if echo "$BM_KERNEL $BM_DTB" | grep -q http; then
  curl -L --retry 4 -f --retry-all-errors --retry-delay 60 \
      "$BM_KERNEL" -o kernel
  # FIXME: modules should be supplied too
  curl -L --retry 4 -f --retry-all-errors --retry-delay 60 \
      "$BM_DTB" -o dtb

  cat kernel dtb > Image.gz-dtb

elif [ -n "${EXTERNAL_KERNEL_TAG}" ]; then
  curl -L --retry 4 -f --retry-all-errors --retry-delay 60 \
      "${FDO_HTTP_CACHE_URI:-}${KERNEL_IMAGE_BASE}/${DEBIAN_ARCH}/${BM_KERNEL}" -o kernel
  curl -L --retry 4 -f --retry-all-errors --retry-delay 60 \
      "${FDO_HTTP_CACHE_URI:-}${KERNEL_IMAGE_BASE}/${DEBIAN_ARCH}/modules.tar.zst" -o modules.tar.zst

  if [ -n "$BM_DTB" ]; then
    curl -L --retry 4 -f --retry-all-errors --retry-delay 60 \
	"${FDO_HTTP_CACHE_URI:-}${KERNEL_IMAGE_BASE}/${DEBIAN_ARCH}/${BM_DTB}.dtb" -o dtb
  fi

  cat kernel dtb > Image.gz-dtb || echo "No DTB available, using pure kernel."
  rm kernel
  tar --keep-directory-symlink --zstd -xf modules.tar.zst -C "$BM_ROOTFS/"
  rm modules.tar.zst &
else
  cat /baremetal-files/"$BM_KERNEL" /baremetal-files/"$BM_DTB".dtb > Image.gz-dtb
  cp /baremetal-files/"$BM_DTB".dtb dtb
fi

export PATH=$BM:$PATH

mkdir -p artifacts
mkbootimg.py \
  --kernel Image.gz-dtb \
  --ramdisk rootfs.cpio.gz \
  --dtb dtb \
  --cmdline "$BM_CMDLINE" \
  $BM_MKBOOT_PARAMS \
  --header_version 2 \
  -o artifacts/fastboot.img

rm Image.gz-dtb dtb

# Start background command for talking to serial if we have one.
if [ -n "$BM_SERIAL_SCRIPT" ]; then
  $BM_SERIAL_SCRIPT > results/serial-output.txt &

  while [ ! -e results/serial-output.txt ]; do
    sleep 1
  done
fi

section_end prepare_rootfs

set +e
$BM/fastboot_run.py \
  --dev="$BM_SERIAL" \
  --test-timeout ${TEST_PHASE_TIMEOUT_MINUTES:-20} \
  --fbserial="$BM_FASTBOOT_SERIAL" \
  --powerup="$BM_POWERUP" \
  --powerdown="$BM_POWERDOWN"
ret=$?
set -e

if [ -n "$BM_FASTBOOT_NFSROOT" ]; then
  # Bring artifacts back from the NFS dir to the build dir where gitlab-runner
  # will look for them.
  cp -Rp /nfs/results/. results/
fi

exit $ret